-V TRANSACTIONS w 7 \a/ 4,3 OF THE WISCONSIN ACADEMY OF SCIENCES, ARTS, AND LETTERS EDITED BY THE SECRETARY YOI. IX. 1893 PUBLISHED BY AUTHORITY OF LAW MADISON, WISCONSIN DEMOCRAT PRINTING COMPANY, STATE PRINTER 1893 COUNCIL Term expires December, 1893. President , Geo. W. Peckham, Milwaukee. Vice-Presidents, C. E. Van Hise, Madison. A. H. Tolman, Ripon. J. J. Blaisdell, Beloit. Secretary, Wm.H. Hobbs, Madison. Treasurer, Samuel D. Hastings, Madison. CONTENTS. Page. On some Analogies between the Equations of Elasticity and Elec¬ tro-Magnetism, by John E. Davies . 3 Notes on a Trip to the Lipari islands in 1889 (with plate I), by Wm. H. Hobbs . 21 Some Suggestions concerning Methods of psychological Study, by J. J. Blaisdell . 33 On the Flora of Madison and Vicinity, a preliminary Paper on the Flora of Dane county, Wisconsin (with plate II), by L. S. Cheney and R. H. True . 45 The Direction of social Reform, by David Kinley . 137 A supplementary List of parasitic Fungi of Wisconsin, by J. J. Davis 153 On the Cyclopidse and Calanidse of central Wisconsin (with plates III-VI), by C. Dwight Marsh . 189 The progress of geological Surveys in the State of Wisconsin — a Review and Bibliography, by Wm. P. Blake . . 225 A Contribution to the Flora of the lake Superior Region, by L. S. Cheney . . . . . 233 Geology of the Waterloo quartzite Area (with plates VII-IX), by Ira M. Buell . 255 Notes on Oladocera, III (with plates X-XIII), by E. A. Birge . 275 On the structure and affinities of Bunops scutifrons , Birge (with plates XIV-XV), by Harriet Bell Merrill . 318 Proceedings: Report of the Secretary; Minutes of the field meeting of 1892 . . i Minutes of the 23d annual meeting . iv Report of the Treasurer . xiii Report of the Auditing Committee . xiv Report of the Library Committee . xv Report of the Librarian. . , . xvii Report of the Custodian . lxiii Report of the Committee on the Revision of the Constitution . lxv In Memorium: Aaron Lucius Chapin, D. D., L. L. D., by J. J. Blaisdell . Ixxi Philo Romayne Hoy, M. D., by John G. McMynn . . . .. lxxv List of Officers and Members . . . . . lxix Appendix: Catalog of the Library, by Wm. H. Hobbs . App. 1 Index . ■ . App. 213 LIST OF FULL PAGE . ILLUSTRATIONS. Opp. Page' Plate I, Fig. 1. View of Volcano in Eruption (1889) . 32 Fig. 2. Volcanic Projectiles from eruption of Volcano (1889) . 32 Plate II. Map of the Four Lakes Country, Wisconsin . 136 Plates III-VI. Cyclopidae and Calanidse of Central Wisconsin.. 224 Plate VII. Map of the Area including the Waterloo quartzite outcrops . 274 Plate VIII. Thin Sections of Quartzite . 274 Plate IX, Fig. 1. Section of Portland Quartzite . 274 Fig. 2. Section of Red Quartzite . . 274 Plates X-XIII. Cladocera from Wisconsin . 318 Plates XI V-XV. Details of Bunops scutifrons, Birge . 342 Portrait of the late A. L. Chapin, D. D., LL. D . lxxi Portrait of the late P. R. Hoy, M. D . lxxv TRANSACTIONS OF THE WISCONSIN ACADEMY SCIENCES, ARTS AND LETTERS EDITED BY THE SECRETARY MADISON, WISCONSIN DEMOCRAT PRINTING COMPANY, STATE PRINTERS 1893 COUNCIL. Term expires December, 1893. President, Geo. W. Peckham, Milwaukee. Vice-Presidents, C. R. Van Hise, Madison. A. H. Tolman, Ripon. J. J. Blaisdell, Beloit. Secretary, Wm. H. Hobbs, Madison. Treasurer, Samuel D. Hastings, Madison. ON SOME FORMAL ANALOGIES BETWEEN THE PARTIAL DIFFERENTIAL EQUATIONS Expressive of the strains in a circular elastic plate under certain distri¬ butions of load, and the equations which give the magnetic force in a cylindrical iron core under the influence of electrical current; together with some other formal electric and elastic analogies. BY JOHN EL D A V 1ES, Professor of Mathematical Physics in the University of Wisconsin. ON SOME ANALOGIES BETWEEN THE EQUATIONS OF ELASTICITY AND ELECTRO-MAGNETISM. By JOHN E. DAVIES, Professor of Physics in the University of Wisconsin. The whole tendency of experimental work in electricity and magnet¬ ism since Clerk Maxwell’s celebrated working-out of the stresses and strains in a dielectric medium subjected to electric or magnetic forces, has been to confirm the reality of the existence of such states of stress. The work of Hertz, Lodge, Thompson, Tesla and many others, points certainly in this direction. One cannot take up a modern treatise on elasticity in which the lines of stress of a strained elastic medium are shown without being struck with the resemblance of these lines to those of electro-static or electro-magnetic induction across dielectrics con¬ necting conductors or magnetized bodies. To the mathematican the analogies presented by the analytical for¬ mulae are numerous and striking. Especially is this true of some of the differential equations which present themselves in the theories of elasticity and of electro-statics. But it is also true of many of the equa¬ tions peculiar to electro-magnetism. Some of these formal analogies have already been alluded to by Sir Wm. Thomson* and Oliver Heavi¬ side — especially the latter. * From a remark of Sir William Thomson in his presidential address before the Institution of Electrical Engineers, January 10th, 1889, en¬ titled, “ Ether Electricity and Ponderable Matter,” it would appear that Faraday had set forth a theory of electro -statical induction, which sug¬ gests the idea that there may be a problem in the theory of elastic solids corresponding to every problem connected with the distribution of electricity on conductors, or with the forces of attraction and repul¬ sion exercised by electrified bodies. Sir William adds “ the clue to a similar representation of magnetic and galvanic forces is afforded by Mr. Faraday’s recent discovery of the affection with reference to polar¬ ized light of transparent solids subjected to magnetic or electro -magnetic forces. I have thus been led to find three distinct particular solutions of the equations of equilibrium of an elastic solid, of which one ex¬ presses a state of distortion, such that the absolute displacement of a particle in any part of the solid represents the resultant attraction at this point produced by an electrified body. Another gives a state of the 4 Davies. — Some Electric and Elastic Analogies. I have in each case indicated the sources from whence the formulae are derived as well as the general course of the demonstrations by which their authors have established them. I have done so partly for the pur¬ pose of showing the entirely distinct grounds upon which the demonstra¬ tions are based in the two theories, and consequently the greater impressiveness and possible meaning of their coincident results, and partly in order to call the attention of elementary students of both sub¬ jects to a field which seems to be one of considerable promise. It seems certain that in this great border region of the elastic and other me¬ chanical properties of a medium in which ether, matter, and possibly a “ tertium quid, electricity” exist, lie some of the greatest problems and discoveries of the near future in both chemistry and physics. It is that towards which Sir Wm. Thomson, in his Baltimore lectures and various papers published since then, has contributed so largely, and in which the efforts now making to find a comprehensive theory of physical optics have been so ably summarized by Prof. Glazebrook in his Report to the British Association for the Advancement of Science (Aberdeen meeting, 1885). It is the complete theory of the ether embracing electro-magnet- ism and optics, towards which our present knowledge has made only a small advance. These close analogies between elasticity and electro -statics or magnet¬ ism have led me to place side by side a few of the well known formulae of both of these great fundamental branches of physics, with their de¬ rivations. In this manner the points of resemblance become more ap- solid in which each element has a certain resultant angular displace¬ ment, representing in magnitude and direction the force at this point produced by a magnetic body; and the third represents in a similar manner the forces produced by any portion of a galvanic wire; the di¬ rections of the force in the latter case being given by the axis of the re¬ sultant rotations impressed upon the elements of the solid.” “Let there be an elastic body of exceedingly small density, and let there be a tubular portion of it porous, but with the same aggregate rigidity as that of the continuous elastic matter round it. Let the pores be filled with a dense viscous fluid, and let this fluid be forced, by aid of a piston or otherwise, to move through the tube. The pull of the fluid upon the porous solid will produce static rotational displacement exactly proportional to the continued rotatory motion which we had in the case of the viscous fluid. Some of the most interesting practical problems of electro-magnetic induction can be dynamatically realized, as it were, in model, by following out this idea; in fact, if we had nothing but electricity and ether, the thing would be done. If it were not gross ponderable matter that we are forced to consider, I should be perfectly satisfied with the problem of electro-magnetic induction, by taking the electricity as a viscous fluid, and ether an elastic solid, porous in some places, and continuous or non-porous elsewhere.” See in particular ar¬ ticle XCIV., Reprint of Mathematical and Physical Papers, Vol. III. Partial Differential Equation of Vibrating Plate. 5 parent, and their physical significance, should there be any, are more likely to be understood. Mere analytical or formal analogies may be of some help, and it is only to two or three of these that attention is called in this paper. The first is that of an elastic bent circular plate, and it is compared with an iron core under magnetic force. It is shown in treatises on elasticity and mathematical physics that in the “ case of a uniform plate of finite or infinite extent, symmetrically influenced in concentric circles by a load distributed symmetrically and by boundary appliances if required,” if r and 0 be polar coordin¬ ates of any point P, so that x—r cos 6 and y—r sin 0, the origin being at the center of symmetry, then the usual differential equation for the bending of an elastic plate having equal flexibility in all directions, viz.: (/).... A d4z Q cVz dz 4 ~^'dx'2dy2 , d4z\ +7f?)=Z- dM dx dj X\,lx‘ + df/ Z takes the form (2)... A _d_( d_ ‘ r dr ( T dr * Derived from the more general equation . d4z . d4z . rsy n \ d4z dAz _,d4 z „ dM dL Adxi+~b EjcW; + (C^2c^dxMyi + ~a dxdf+Bdff4~Z~dx^fdty (where A, 5, (7, c B, a, are supposed constant and not as in the most gen¬ eral case functions of x and y) on the supposition that all the coeffi¬ cients of elasticity are equal to any one of them, say A. As to the meaning of the constant A it is {l + d)pr -r In this expression 6 is Poisson’s ratio -= — — — ratio of lateral contrac¬ tion to longitudinal extension, which is also _ 2{2k + n ) m — n 3 k — 2n 2 m where k is the bulk modulus and n is the rigidity. 6 according to Poisson is always equal ^.t In very many known solids k is greater than f n, while in others it is less, so that there seems to be no necessary relation between these two constants. where q is Young’s modulus qr6 12{1— G) Skn _ 9kn m 3k + n and r is the thickness of the plate, and p its density. t Poisson and Navier’s assumption that this ratio was always = i k leads to the constant ratio — = f . Poisson always maintained that the 6 Davies. — Some Electric and Elastic Analogies. This is the equivalent of A\J'2\/'2z^= Z ; or in other words the Laplacian operator doubly applied, because where z is a function of r alone (where as usual V'2 denotes Laplace’s operator), and because the quantity d_E dx dy becomes, in the case of concentric load, a simple function of the radius- ratio of k to n is constant and equal to f. The whole question of the values of these constants and whether there are ultimately one or more in isotropic bodies seems to rest upon whether elastic isotropic bodies can be considered as made up of molecules mutually acting on each other in the line of their centers and according to a law of variation with distance merely, or whether the action of one molecule upon another is likewise a function of the action of other molecules upon each of the two considered — a function of aspect in other words as well as distance. It would seem that this must be true for magnetized bodies where polarity must be considered. To see that this is so we have only to consider the different expres¬ sions for the law of force between two magnets, according as they are end-on or broadside-on to each other. The expression in either case is a series, involving increasing negative powers of the distance. But this series is in the case of end-on, double its value for the other case, regarding one of the magnets as movable and the other as fixed. It would be an interesting problem to form for a magnetic medium the equations of equilibrium and motion on the hypothesis that we have in such a medium an infinite assemblage of molecules having polarity; in other words an infinite assemblage of molecular magnets whose result¬ ant attractions for each other would be represented by a function of distance and aspect (orientation) and not of distance alone. Green in his remarkable essay on the “ Equilibrium of Fluids analogous to the Electrical Fluid,” has treated the case of equilibrium of a medium somewhat analogous to such a medium, inasmuch as he applies the method of potentials to the case of a medium where the law of force is inversly as any power n of the distance, where n may represent any number whatever, fractional or irrational. On supposing that n is, as in the case of finite magnets sufficiently close to each other to involve a consideration of their lengths and orientation as well as their distances, a complex function of the molecular magnetic moments and distances, all of Green’s results would be immediately available to the considera¬ tion of any equilibrium problems of the medium which Ewing regards as making up a magnetic one. No doubt the problem of motion would be a complicated one, but it is easy to see without any mathematics that such a medium would possess most of the properties which Ewing has assigned to it in his theory of magnetism.* Green, it is true, conceives * An interesting illustration by experiment of such a medium is given by Mr. Crew in the New York Electrical World for 1891. It was also given by Prof. Ewing before the British Association. Displacements of Circular Vibrating Plates. 7 of the plate which we may designate by Z. “ Z will then be the amount of load per unit area, when the applied forces on each small part are re¬ ducible to a single normal force through some point of it.” Small z is then a function of r likewise and denotes the displacement perpendicular to the original plane of the plate. Its value as is well known is: z — ~~f rdr§ —f r Z dr + l C ( log r — l)r- + i CV2 + C" log r + C" C" is merely displacement of the plate as a whole and need not be any further considered. C" log r denotes anticlastic displacement with ±C"/r'2 for the curva¬ ture, the same in the two principal sections. The radial and cross radial bending couples to match are L=±(A-C)fr. <7, the same. This would be realized in an infinite plane plate with a circular aperture and uniform distribution of load in the shape of bend¬ ing couple around the circular edge everywhere as axis. 34 C'r2 is the displacement of spherical curvature. 34 C ( log r—1) r- is a deflection involving shearing force and couple. ■■SrAC/r— shearing force and %C(A + c) log r+A(A — C) = bending couple. Since from the symmetry of the case considered when the plate has a circular contour the tangent plane to the strained plate at the center will be horizontal, C" will be zero unless there be discontinuity in the “Circular loading so as to cause a circle of inflexion to occur between the center and the outer margin, which is without the limits of any cas e save a circular loaded membrane and not an elastic plate. It is realized, however, in the case of a plate with a circular aperture.* If we turn from elasticity to electro-magnetism and consider the in¬ duction of currents and magnetic lines in cores under the influence of coils wrapped about them and carrying currents, we shall eventually come upon an equation entirely similar to equation ( 2 ). For, as Oliver Heaviside has shown in discussing this subject of induction of currents 44 a fluid analogous to the electric fluid ” having only a repulsion between its particles and having moreover V, the potential, only a function of the distances between these particles. But our medium would have to be one in which every particle would have both attraction and repulsion for its neighbors according to the poles presented, and ultimately a re¬ pulsion according to an unknown law to account for first the extension of a bar of soft iron under medium magnetic stress, as first shown by Joule and as measured by Mayer and others, and afterwards a contrac¬ tion, as Shelf ord Bid well- has shown. ■ * Thoms on and Tait Nat. -Phil., §651. 8 Davies. — Some Electric and Elastic Analogies. and lines of magnetic force in cores, if we have produced in the core a magnetic force represented by iT, and an electro-motive force per unit length at distance r from the axis of the core represented by e, giving rise to a current of density y (using the square of the same unit of length for the unit area) at the distance r, then H is parallel to the axis and a function of r , y is a function of r and is perpendicular to r and to if; and since a tube of thickness dr and unit of length must carry a current ydr , and produce a magnetic force in the core of 47tydr ivithin the current tube, and zero without , irtydr is the amount by which H decreases in passing from within outwards over a distance from r to r + dr. The relation thus established between the induced core current and core force is: y— — (— - 7— H' for short. \ ' 4-77" n.r \ Art / This is a special case of Maxwell’s 4Tty— Curl H. Mag.) If p denote specific resistance e=py~— pH' 4:71 ’ (See 2d vol. Elec, and The core is supposed to be symmetrically situated with respect to the center of the surrounding coil. The magnetic induction (total) through a core of radius r is equal to y j 27cr. dr and as the electro motive force is e and its line integral 27tr.e this must equal the time rate of decrease of the definite integral just given, i. e., 2nre~ — yj^H. 2itrdr If in this the value of y~H‘ 4tc above be substituted we will have one form of the differential equation of the magnetic force viz: rH’=~So * irdr • the dot denoting a fluxion and the prime mark differentiation to r. Dif¬ ferentiating this equation to r we get - d-) R, da, dp, dy which he calls a potential of the second kind. This latter biquadratic differential equation is the subject of special mention by Emile Mathieu in his treatise on potentials . j* *For example, if Young’s Modulus is called ^ then the above integral is denoted by F. C is related to the usual elastic coefficients X and ju, as follows: For a cylinder with a force F per unit of area acting on its ends C=F /j,-\-X ju(3X + 2jay therefore F 3X+2n _ —fx - —e C X+ju or Young’s Modulus. (See Rieman's Partial Differential Equations and elsewhere.) j* Emile Mathieu gives the equation /7%=o and shows that its solution is u=gd + v where and 00 — ^ prdd , r^fP-dd. (“Theory of the potential,” Vol. I., pp. 80-84.) p and p' are functions of the co-ordinates of each point of a surface 6 and r is the distance of x , y , z, from dd. v and go are first and second potentials of the two layers of matter which cover that surface. Re¬ duced to the form dHc dhi diu_ dxi+ dx2dy2^~ dy*~ it has for solution the sum of two integrals / (r2 log7+‘V‘) f lo%^ds-, cp and being two functions of a co-ordinate proper to determine a point of a contour S, and r the distance of the point a?, y, from the ele¬ ment ds. Every continuous function which in the interior of a curve S satisfies d4u dAu dhi _ dx‘1dy'2+ dy* is the sum of a first potential of a layer covering the curve S, and of the second potential of another layer on the same contour; likewise, also, the derivatives of this function of the first three orders. 12 Davies. — Some Electric and Elastic Analogies . We have another interesting analogy in the case of the equations of free vibrations of an elastic medium once subjected to applied forces, surface tractions, or both, and then left to its own forces of recovery. We shall find that the final equations are similar to those of the dis¬ charge of a condenser, especially if a dissipatory term be introduced into the equations of elasticity. If u, v, and w, be displacements in an ordinary homogeneous elastic medium, at a point aj, y, z, of the same, then _ clu dv _div e~~ dx ‘ — dy dz will be the so-called elongations about the point x, y, z; being rates of variation of absolute displacements in proceeding along the coordinate axes. a, b , c, are shears, if Aw dv , , dn dw . dv dn a=b^+d5; + Tx' c=Ax+Hy' + — ,— = the cubical dilatation; /V'Y* /Vi/ /7 v not necessarily uniform in all directions. .-><£-©• *•->( dy are rotations. dv dx du" dy. P = (m + n) e -t- (m—n)(f+ g) Q — {m + n)f+{m—ri){g +e) R = (m + n~)g + {• m—ri){e +/) will be normal stresses across the three coordinate planes at the point x y z and S=na ; T—nb\ U—nc are the tangential stresses, reckoned per unit area, at the same place. The inversion of these formulae will give a = U e = — — d(Q + R)/q f = -S--6(R + P)/q g = ~-6(P + Q)/q Where q denotes Young’s modulus; n = what Sir W. Thomson calls dis_ torsional rigidity; 6— Poisson’s ratio (which Poisson considered always General Equations of Elasticity 13 to be i; Wertheim but which may apparently have any value from £ for incompressible bodies, to infinity as in the case of elastic gums. It is questionable, however, if the latter can properly be ranked as elastic solids.)* In the general case of elastic distortion involving shear, dilatation, and variation of rotation we have either § m + nZ-u + p( u — X ) =0 8 A m—^ + n^v + p( v — Y) —0 + p{w — Z) =0 oz wheiein the rotations (or their variations) do not explicitly appear; or the following due to Lame wherein they do appear, viz.: (m+ n) ^L_2n(sA?_sh\ dx \SiJ Sz / + p{u — X)—0 with a similar equation for y and z each. If all applied forces and surface tractions are zero then these equa¬ tions become those of an elastic system in motion under its own elastic recovery, or intermolecular forces, whatever these may be, and the most general motion possible consists of a series of superposed small har¬ monic vibrations of the points of the body about their positions of equilibrium, translations and rotations of the body as a whole being ex¬ cluded. These vibrations may give rise to sounds and are ultimately dissipated as heat. The equations then simply lose the terms contain¬ ing X, Y, Z, and their most general possible solution is of the form u=u1r1+u2r2+usrs+ .... u-t\- 1- . v=v1r1' + v2t2' + v3r3' . vfl 4- w=w1r1 +w2r2 +w6ri The ui vi wi are functions of position {x y z ) only, and the r. are functions of the time only. Any set, such as u=uiri v—v^^ w=w,iriB *As before stated, the relations between these constants are 3kn =m=lc+^n. 6- 3k — 2n q > 2(3k + n) generally. This makes 6—\ (Poisson) if n—%k\ k is the pressural rigidity or the bulk modulus of Sir W. Thomson’s writings; n is his rigidity; q is Young’s modulus. 14 Davies. — Some Electric and Elastic Analogies. ■will constitute a simple simultaneous solution of the equations. On substitution of such a set of values the equations take the form ( <52^ 8ivi ) d^ri m\ r n 0 _ _ rv ^ a i*i — — p diri ~w~i ’ 8z ( f 8x “T 8y + 8z 1 * Ar [7 tv * — ) wi Ti ' df In these equations three functions independent of time are equated to the same function of time and not position. They must therefore all be constants. Let that constant be denoted by ip (negative) so that also p d'2ri m m V dP 8 \ i Swi 8v, i i Swi\ 8x | 1 8x ' Sy + 6z f ' Su. 8V; Swi \ h l 1 8x Sy + Sz Ij 8 < ; Sui 8v • i 1 i S_Wj ) 1 8z | ( Sx Sy + 8z jj =—ip + npr*vi + pivi=0 with solutions u—'S{uir^ v=S(viTi); W=2(w(r{y, Oscillatory Discharge of a Leyden Jar. 15 This equation has in it no term involving loss of energy by friction or a similar cause. The solution of dP + iT{=0 depends on the form of i. If i be real and positive r^=zA sin Ji.t +B cos y/i.t if real and negative r,—Ae/ ^ +Be J—i.t These solutions indicate oscillatory motion of the elastic medium, or gradual subsidence to rest, according to the value of i. Now as far back as 1842 Prof. Joseph Henry recognized that the dis¬ charge of a condenser might be oscillatory. Helmholtz seems to have so considered it in 1847 in his famous essay on the conservation of energy. In the Phil. Mag. for June, 1847, Sir William Thomson showed that when a condenser is discharged through a resistance having self induction L (or electro-dynamic capacity, as he termed it) and electro static capacity C of the condenser; being loaded originally with the charge q where q- ■■CV and — —i= current at any instant, = ~ dt a by Ohm’s law in the case of steady currents, then d^q R dq 1 _ dtp + ~L ~dt +'LCq~° The general solution of such an equation is of the form .^4 + /V-i) (a*- /V~*> , R , * / 1 -R2 where u= — — and This equation reduces to one of the the form (\q + -=—=0 when the dP LC resistance of the discharging circuit can be neglected in comparison with the self induction coefficient of the same. The discharges are then strictly oscillatory, the, time of a complete oscillation, being 27t^/LC. When R= ^ the motion has just ceased to be oscillatory or is dead beat. For sufficiently large values of R in comparison with L the value of fi becomes imaginary, and there is no proper oscillation. 16 Davies. — Some Electric and Elastic Analogies . The fact of electrical oscillations in such cases has been sufficiently well established experimently by Feddersen, Food, Lodge, Trowbridge and many others. Hertz and Lodge have traced out in great detail the dissipation of the energy of these vibrations, both in electro-mag¬ netic waves and heating of the dielectric. The whole electro -magnetic theory of light assumes that when these oscillations are sufficiently rapid and the wave lengths correspondingly short, they are capable of affecting the retina and of producing chemical change. As we see from the expression above given for the time of an oscillation, such rapid vibrations and short wave lengths imply very small electro -static ca¬ pacity and self inductance, such only as we could look for among mole¬ cular or atomic structures. The next analogy has reference to the self induction of rods, and the magnetic forces within them when they are of other forms than circular. It is well known that Coulomb made great use of the torsion balance in his establishment of the law of the inverse square of the distance as the fundamental law of force between electrical charges mutually acting on each other, and also between magnet poles. He appears to have consid¬ ered in connection with this work the theory of the torsion of elastic threads, of hair, silk, and metals. He likewise appears to have been the first who established with reference to them, the simple differential equation where Mk* is the moment of inertia of the cylindrical thread round its axis, and 11 the torsional rigidity. The solution of this equation gives the time of an oscillation. This time can also be observed. Thus the assumption that the force of torsion is proportional to 0 can be tested experimentally. This is found to be the case for small arcs, and we have here the fundamental equation so much used in all magnetic and elec¬ tric as well as general physical work. For circular cylinders (solid or hollow) every straight line “ is turned round the axis through such an angle as to give a uniform rate of twist (r) equal to the applied couple divided by the product of the moment of inertia of the circular area into the rigidity (n) of the substance,” i. e.’ the moment of the twisting couple, (where d6 is an element of area), and r is rate of twist. Now Saint Venant has shown that in all but strictly circular cylinders (solid or hollow) there is a warping of each cross section in the vertical direction whose amount depends upon the position of the point rela¬ tively to the axis and the amount of total twist given to the prism. Magnetic Force and Torsional Strains. 17 Thus, if a and (3 be the y and x components of the strain, then ac cording to Saint Venant a dy dy ^-T°+dx’ a=TX + ~dy- If n is rigidity, the forces are n times these; hence + /32) taken over a section of the prism represents the energy of the strain ( potential ) per unit of length of the prism, y, which denotes the warping, fulfils Laplace’s equation, viz.: F V=0, and also -g^r^ Here p denotes a perpendicular drawn from the center of the prism (or origin of coordinates) to a tangent to the surface of the same. |^For cur¬ rent along a cylinder where the current density is FQ and where 12 de¬ notes (polar) magnetic potential we have an analogous expression dFl „ d{r^ ■7tr ’] dp ° ds It is needless to point out that negative 12 represents y, and TtFQ repre¬ sents \r in the elastic analogy. In the ordinary notation of strains we have in such prisms under torsion P—O, Q=0, R=0, U—O, while dy\ — TV 4-— 1 S'=n(rx + ^d T=n(rry+ dy/ V y dx/ These cover the tractions and shears in the interior, or the body forces; while F—O, G—O, FI=T sin cp + S cos cp, reach the surface tractions. Consequently H=n(dr dp -rq or H=n i.~dy C°S Sin sin V~x cos j if p be the above perpendicular and q= distance from point of surface for which H is taken along the tangent to the foot of this perpendicu¬ lar p. For the usual form of couple, according to Coulomb’s law, we should have as above N—nrj'J(x2+y^)dxdy, which would require a valne of H equal to that just given to prevent warping; while if H be zero and warping freely allowed, the real couple necessary to produce the rate of twist (r) would be less than this, i. e., N=Jj (Sx — Ty)dxdy=nr j' f'(x2 + y*)dxdy—nj' f — x~dJj) dxdy 3 — A. & L. 18 Davies. — Some Electric and Elastic Analogies. The last term is the time integral of the continuous couple by which an angular velocity r would be communicated to the liquid in a closed infin¬ itely light box of the same internal shape as the given prism to which torsion is imparted, and of length unity, liquid density n, as was shown by Stokes in 1843. (Math, and Phys. Papers, vol. I., p. 17.) The effective moment of inertia* of the liquid equals the correction to the torsional elasticity of the prism calculated by Coulomb’s law as if the cross sec¬ tion were circular, a and p would in this case represent the compon¬ ents parallel to x and y of the velocities of the liquid relatively to the box. If in any case this couple be divided by r we have the so-called torsional rigidity of the prism. For a prism of eliptical section n£ f where J and L are moments of inertia around x and y respectively. For a triangular prism (equilateral) J+L) ] 1— (a2-V) (a2 + b2 j -nr 7ta 353 a- + b'2 N=r- na 4 ~l$Vf and so on. Now Oliver Heaviside has shown that, calling H1 and H2, the two components of the magnetic force in a cylinder in which an electric cur¬ rent is flowing, and which is surrounded by a return conductor in the form of a closely fitting sheath (like the Deptford mains, for example) then H1=-27trro dDj m dx ’ H2=27txr c dn dy Likewise also, in analogy with the expression above given for the energy of a twisted prism, viz.: ^(u2 + /42) where a and denote the x and y components of the twisting strain, we have, calling T the magnetic energy per unit of length of a rod carrying a current of density PQ and which is enclosed by a return conducting sheath, = Energy of magnetic field per unit length of rod carrying current. “ The lines of tangential stress in the torsion problem and the lines of magnetic force in the electrical problem are identical,, and the energy is * By the effective moment of inertia is meant “ the moment of inertia of a rigid solid which may be fixed within the box, if the liquid be re¬ moved, to make its motions the same as they are with the liquid in it.” — Thompson & Tait, Nat. Phil., part II, p. 242. Inductances and Coefficients of Rigidity. 19 similarly reckoned.” Moreover, it appears that the ratios of the in¬ ductances of wires of different sections (taking the circular wire as a standard), are as the ratios of the torsional rigidities of rods of various cross sections in the torsion problems as worked out by Saint Venant For example, the torsional rigidity of a circular cylinder being M j d6r2—mtr and that of an elliptical cylinder being as above, 7ta3b3 — =-5 a2 + b2 the latter is essentially cib a'2 + b2 times that of the circular cylinder. So if L=\u (ju being permeability) be the coefficient of self induction per unit of length of a round wire, then \n ab r Id + b2 is that of unit length of an elliptical one. So also Aklln is that of a square one; .3627/q that of one of triangular cross section (equilateral); %7tjna/b that for a flat strip or sheet whose thickness is a and breadth b, and so on. It will be noticed that these coefficients are the halves of those given by Saint Venant for the amounts by which the torsional rigidities of circular prisms of equal area are to be diminished when the cross sec¬ tions are as given above, and warping of the cross sections is a part of the strain. Now, as stated at the beginning of this paper, whatever may be the exact nature of electricity or magnetism, Clerk Maxwell has shown that the phenomena of both lead to the idea that electro-static lines of force and magnetic lines of force cause a stress in the medium they exist in, which is measured by along the lines; being of the nature of the tensile stresses transmitted along tie lines in elasticity, and are accompanied by corresponding pres¬ sures at right angles to them. The phenomena are essentially of the nature of elasticity and point to a medium capable of sustaining stresses The exact mechanism by which these stresses are produced is another question. It may be that mere attraction resisting displacement (as is sometimes assumed in theories of elasticity) is at the bottom of electro¬ static strains, but it seems pretty certain that ether rotations are at the bottom of magnetic strains, and Sir William Thomson has shown that a 20 Davies . — Some Electric and Elastic Analogies . medium can be conceived to which minute rotations give a quasi elas¬ ticity, such that the magnetic rotation of the plane of polarization of light can be explained thereby. On this view the quantity denoting permeability in the magnetic problem, and which seems to be the ana¬ logue of that which denotes rigidity in the elastic problem, would have very different values within and without an iron core. Within it would be smaller than without, so that the resistance to rotation would be less in soft iron than in copper or air. “ In the place of the soft iron we must suppose ether of vastly less rigidity than that of the ether through the rest of space, whether copper or air. * ' * * To represent the case of a soft iron core of permeability 300, suppose the value of n [the rigidity] for the ether in the space corresponding to the soft iron core to be 3^ of its value elsewhere, and let the circuital forcive * be the same as that in the former case.” * * * ‘In this case the rotation, and therefore the energy of the ether within the core is 300 times what it is in the same region without the core, except near the ends.’ | * By “ forcive ” Sir William Thomson seems here to mean the system of reactions aroused by absolute rotations in the ether just as elastic re¬ actions are aroused by displacements in an elastic solid. Electricity in motion he seems to regard as a go-between for ordinary matter and ether. The latter is supposed to have no rigidity to ordinary slides — at least such as are involved in the ordinary movements of the ether; i. e., those movements that are caused by the passage of bodies through it at ordinary velocities. •[Thomson’s Reprint of Mathematical and Physical Papers, Vol. III. Note. — The whole subject of the properties and modes of motion of various ethers has recently been very clearly and powerfully treated by vector methods by Oliver Heaviside, in a series of articles in the London “ Electrician.” The old elastic solid theory of the luminiferous ether is shown to be quite inadequate to explain electro-magnetic relations. NOTES ON A TRIP TO THE LI PARI ISLANDS IN 1889. (With Plate L) By WM. H. HOBBS. The Lipari or iEolian group of islands are all of volcanic origin and lie in the Mediterranean Sea between thirty and forty miles northwest of the Straits of Messina. There are seven large islands and ten islets, all of which received various names by the ancients. The Greeks made them the abode of iEolus, the god of the winds, and Volcano or Vulcano, one of the two active volcanic vents, was supposed to be the forge of Vulcan. Lipari, near the center of the group, has figured prominently in his¬ tory. Plundered by the Athenians and later by the Carthaginians, it was the scene in B. C. 260 of the capture of the Roman general, Cnseus Cornelius Scipio, by the Carthaginians. Eruptions of Volcano must have taken place in B. C. 204 and 126. In the middle ages and later the government changed hands frequently. With the exception of Lipari and Salina near the center of the group, the islands are at present but little inhabited. Volcano, the southern¬ most, which till recently contained vineyards and important chemical industries depending on the emanations of the torpid volcano, has been entirely deserted since the outbreak of 1888 and 1889. Yet amid all this desolation is to be found some of the most romantic scenery in Italy. Lipari, the largest and most productive of the islands, has an area of ten to eleven square miles. On the east side of the island in a natural amphitheatre is the town of the same name, the walls of the amphithe¬ atre being formed by the now extinct volcanoes; Monte Rosa, Monte Sant’ Angelo and Monte della Guardia. Monte Sant’ Angelo, the high¬ est point (1952 feet), rises in the center of the island on the west of the town. Monte Rosa extends into the sea as a rocky promontory inclosing the harbor of Lipari on the north, while Monte Guardia serves a similar purpose on the south. In the middle of the crescent-shaped amphithe¬ atre is an isolated rock projecting above the waters of the bay and joined to the mainland by a narrow neck. This rock is crowned by the sombre walls and towers of the Fort or “ Castello,” and is the site of the ancient town. 22 Hobbs. — Notes on a Trip to the Lipari Islands . The modern town is erected around the fort and contains ware¬ houses, where are stored for shipment the products of the island — the finest pumice stone, sulphur, currants, figs, Malmsey wine, etc. The vegetation is semi-tropical. Outside of the town the opuntia or prickly pear is abundant. Figs, agaves and grapes thrive. The great difficulty the inhabitants have to meet is the scarcity of water, which they collect for domestic purposes on their peculiar flat-roofed houses. For this reason oranges and lemons, so abundant in neighboring Sicily, are not cultivated here. The population was formerly much larger than at present, many of the natives having emigrated to America. As a conse¬ quence the price of a day’s labor, which I was informed was a few years since about a lire (20 cents), has risen to about twice that sum. The Lipari islands lie somewhat off the line of tourist travel. Except by naturalists wTho are interested in their volcanic features, the islands are rarely visited, both because of the difficulty in reaching them and be¬ cause of the primitive character of the accommodations. The chief interest then of the traveler in these Islands lies in the volcanoes, and particularly the active vents, Stromboli and Volcano. The map has been prepared to show the relation of these vents to one another and to the other volcanoes of Italy. First of all it will be seen from the map how the vents are arranged linearly. It will next Arrangement of the Italian Volcanoes. 23 be noticed that the main fissure there indicated runs parallel to the backbone of the Italian Peninsula, which finds its extension in the mountain range skirting the north coast of Sicily. This principal line of vents begins with the extinct Mte. Amiata on the north, is extended in the crater lakes of the Roman Campagna — Lago di Bolsena, Lago di Vico, and Lago di Bracciano — in the Alban Hills to the south of Rome, Frosinone, the Rocca Monfina, and Vesuvius. Here the fissure line to continue its course parallel to the peninsular backbone would enter the sea. Following its approximate course we see that the Lipari islands form a continuation of it. The enlarged view giving the arrangement of individual vents on the islands indicates that this fissure forks in the island of Panaria, one branch passing westward through the extinct craters of Salina, Filicudi and Alicudi and probably continued in the shoal of Graham’s Island and in Pantellaria. The other branch passes southward through Mti. Campo Bianco, Sant’ Angelo and Guardia in Lipari, the vents of Vulcanello and Vulcano, and a submarine fumar- ole off Cape Calava on the north shore of Sicily, to Etna. Crossing the main fissure near Naples is a shorter one passing roughly east and west through the Ponza Islands, Ischia, Procida, the Campi Phlegraeii or Burning Fields near Naples, Vesuvius and Mte. Vultura on the eastern slope of the Apennines. This secondary fissure runs parallel to an out¬ lying arm of the Apennines indicated in the Sorrento Peninsula and Capri. Vesuvius, the present focus of volcanic activity on the Italian Peninsula, is situated at the intersection of these two fissure-lines. Ob¬ servations in other regions have shown that the largest cones have gen¬ erally been built up where the fissure is widened from this or some other cause. In the Lipari islands, strangely enough it would seem, the active foci are not on Panaria where the fissure forks but on Stromboli and Volcano some distances to the northward and southward. It has been argued that Panaria was once the seat of an outburst so violent as to destroy itself, the remnants of a great crater being made out in the islets of the vicinity. To recapitulate, the positions of the Italian volcanoes illustrate well two almost universal features of volcanic regions; first, a linear arrangement of the vents, indicating that they are formed on fis¬ sures in the crust of the earth, and second a substantial agreement be¬ tween the direction of this fissure and the trend of important folds in the strata (as shown in the prominent mountain ranges) which are structurally directions of weakness. In the spring of 1889 I visited Italy in company with an English friend, Mr. Bernard Hobson, now lecturer in geology in the Victoria University, Manchester. It was our intention to observe as much as possible of the volcanic areas, especially Vesuvius and Vulcano, both of which were then active. In Naples we were privileged to meet Dr. H. J. Johnston-Lavis, the energetic and careful student of volcanic phen¬ omena, the authority on Vesuvius as well as the best authority on 24 Hobbs. — Notes on a Trip to the Lipari Islands. the Italian volcanoes in general. Dr. Johnston-Lavis kindly furnished us with a letter of introduction to Mr. A. E. Narlian of Lipari, and sup¬ plied us with much valuable information concerning the islands. We had in onr outfit a small camera belonging to my friend, to whom I am indebted for the photographs from which the figures in this paper were prepared. We were also fortunate to fall in at Naples with Dr. Brauns of Marburg, with whom I had made geological tramps in Saxony. He was accompanied by his brother and bound for the Lipari islands, so that we joined onr forces, making a party of four. I have thought that it might be well to put on record some of onr observations and at the same time collect the main facts in the history of Volcano. The town of Lipari, as seen from Mte Rosa. Mte Guardia on the right. On the left, in the distance, is Volcano, with eruption beginning. The trip to Messina was made without notable incident, unless it be the difficulty we had in getting aboard onr vessel on the evening of onr departure from Naples. The vessel does not come to the wharf, but is moored out some distance in the bay so that passengers must secure boatmen with yawls to go aboard. We selected what were apparently the least villainous of the Neapolitan boatmen lounging about the land¬ ing and bargained with them to take ns aboard onr vessel. Just as the landing stairs of the vessel were reached a demand was made for double the tariff. I being nearest the landing stairs jumped out, throwing the boatmen the rate agreed upon. Before the others could do so the boat was pushed away from the vessel. Mounted to the deck, I saw and heard a lively discussion between my friends and the boatmen, carried on in bad Italian with occasional German and English interjections on the one hand and very voluble Italian on tbo other. The boat drifted Incidents of the Journey , 25 farther away, and in the dnsk I could make out that the matter was ap¬ parently settled by the Italians sturdily rowing the boat toward the shore. Before they had reached it a warning whistle sounded from the vessel; again commotion in the boat and soon a change in its direction. This time my friends reached the vessel, but only by submitting to the extortion. We must have passed near Strom boli in the night, but we were too tired from our tramps around Vesuvius to watch for the “ Light¬ house of the Mediterranean.” After various contacts — more or less agreeable — with the Sicilians, and after watching them prepare maca¬ roni or load oranges on British vessels bound for America, we embarked on the little steamer which leaves Messina semi-weekly for Lipari, and at midnight passed between Scylla and Charybdis. At six o’clock the next morning, the 7th of April, we cast anchor in the harbor of Lipari. Hurrying to the deck, I saw a picture I shall long remember. Before me were the quaint town, the fertile slopes about it and the sombre but picturesque CasteXlo , the whole hemmed in by frown¬ ing crater walls. A few miles south rose the wide-mouthed cinder-cone of Volcano, the most beautiful and symmetrical of all cinder-cones. Around our small steamer were numerous yawls manned by natives, who were quarreling for position at the landing stairs and vociferating in a manner only possible to Italians. We submitted to be taken ashore by them, and found them far less disagreeable than we were led to expect from acquaintance with their Neapolitan brothers. An experience of two months in Italy, spent as much in the country off the lines of tourist travel as in the cities, taught us that the most troublesome Italians are in the cities, but especially in Naples. One needs to stop in Naples to understand how Mark Twain could spend two weeks “studying human villainy.” Before I had reached the shore I had seen three grand explosions of Volcano accompanied by a loud rumbling and the sending up of a great cloud of dust and ash, and followed by the rattling of the projectiles as they fell back in the crater or rolled down the outer slope into the sea. After a moment the outburst would be over, and the only visible remnant would be a dense black cloud floating away under the light breeze to the eastward. At greater distances in the same direction could be seen similar clouds due to earlier explosions. Between explo¬ sions a large fumarole sent out a volume of white vapour resembling the ’ scape of a locomotive. We were soon housed at the one rather primitive Locanda or hotel that the town supported, and hastened to make the acquaintance of our guide, Bartolomeo Nicotera, who was to serve us in our trip to Volcano. That day and the one following were spent on Lipari in examination of the old craters and acid lava streams, and col¬ lecting from the obsidian, pumice and liparite so abundant in the vicinity. But Volcano was an attraction that outweighed others in our minds, and to it I shall direct attention. I shall therefore interrupt my narrative to give something of its history. 26 Hobbs. — Notes on a Trip to the Lipari Islands. The island on which the volcano is located, which bears the same name — Volcano or Vnlcano, has an area of about eight and one-half square miles. The crater, the “ Gran Cratere ” of the natives, is situated a little to the northward of the center of the island. On a peninsula at the north end of the island is Vulcanello, a small triple-cratered hill joined to the mass of the island by a low and narrow neck of land. This forms two bays, of which the one on the east side is called the Porto di Levante, and is the landing place for boats. The present mountain is a cinder-cone par excellence , and rises a few hundred yards south of the landing. The crater had a diameter according to Johnston-Lavis (in September, 1889) of about 250 metres and a depth of 30-40 meters below the lowest lip. (Scottish Geographical Magazine, VI., p. 147.) These values are much lower than those of Baltzer taken in 1873, who gives the diameter of the crater as 900 metres. The depth of the crater he measured and found to be 86 metres (Zeitsch. d. d. geol. Gesellschaft, 1875, p. 9). The height of the lip of the crater (the Piano della Fossa ) is about 700 feet above the sea. With the exception of a moderate-sized obsidian stream on the northwest flank, the material of the cone seems to be en¬ tirely fragmentary. Baltzer, in 1873, sketched beds showing the dip of the material within the lip of the crater to be toward the center. Near the ob¬ sidian stream, just outside the crater rim on the north side, is a secondary crater about 200 feet in diameter which has long been an active fumarole. Encircling the present crater at a distance of one-half to three-quarters of a mile is an older explosive crater, the highest point of which is Mte. Saraceno to the south. To the south of this Judd has described three still older craters, the centers of which lie in the medial line of the island. All these older craters including that of Monte Saraceno, unlike the present active one, are essentially composite in character being made up of lavas with ash, lapilli, etc. . The lavas near the south of the island are doleritic in character, rich in olivine, while to the north they are composed of trachytic rock. The beds are traversed by radial dikes showing the former existence of parasitic cones. Some of these dikes belong to the curiously hollow type recently described by Johnston- Lavis from Vesuvius, Stromboli and this locality. (“L’Eruzione del Vesuvio nel 2 Maggio, 1885,” Ann. d. Accad. O. Costa d’Asp. Naturalisti, Era 3, Vol. 1. Nature xxxviii, 13.) These are due to the draining out of the lava below after it has been injected into the fissure and a portion has consolidated on the walls. The structure of the island shows clearly that the early eruptions which built it up were largely of basic lava, that the active vent was migratory northward along the medial line of the present island, each successive eruption blowing out the north wall of the crater formed by the preceding eruption and affording more and more acid material. Ac¬ cording to Scrope the present form of the volcano is. largely due to the History of Volcano. 27 eruption of 1788. After this eruption the mountain passed into the solfatara condition, or condition of moderate fumarole activity. The gases — boric acid, sulphur, sal ammoniac, etc. — were collected by the Italian firm of Nunziate and later by the English firm of Stevenson. The method of collecting was to pile cinder over the fumaroles so that the materials would sublime, then remove to the manufactories for further concentration. One of the manufactories was within the crater and the other on the shore of the Porto di Levante. The competition from Asia Minor and California resulted in the neglecting of the boric acid industry, but it was proposed to build large leaden chambers over the fumaroles for the better condensation of the sulphur gases, when the increasing activ¬ ity of the fumaroles interrupted the work. The light eruption which began in August, 1873, and ended in December, 1874, hai4 been described by Baltzer and presents many interesting features. Flames, once thought so common but now known to be extremely rare at volcanic eruptions, were observed in this instance. They showed a tinge of green, doubtless to be ascribed to boric acid. The most interesting feature, however, was the fall during the early stage of the eruption of a fine snow- white powder, which covered the island to a depth in some places of three to four centimetres. This was followed by a gray ash of the ordinary type, nothing more nor less than finely divided liparite lava. The snow-white ash, however, was 94 per cent, silica, and was shown to be tridymite by its low specific gravity, its solubility in alkalies and its optical behavior. Balt¬ zer has offered the plausible explanation that this material is formed dur¬ ing the long period of quiescence, by the action of the acid gases of the fumaroles on the plug and walls of the chimney under the high pressure and temperature which must attain there. This explanation accounts for the absence of the snow-white ash from the later phases of the eruption. (See Baltzer, Zeitsch. d. d. geol. Gesellschaft, 1875, pp. 3-29.) After this very light eruption, which was not violent enough to expel the workmen from the crater, the old conditions of fumarole activity were resumed. In 1886 there came a slight eruption which cleared out the bottom of the crater, since which time it has never entered into its former quiescent condition. Before 1888 the English firm owning the sulphur industry had set out large vineyards and fig orchards at the north end of the island. Mr. A. E. Narlian, who was in charge of these, had his villa a few hundred yards north of the cinder cone of Volcano. In August, 1888, occurred an outbreak which, though not to be ranked with eruptions of the first order of intensity, caused much damage. The main facts connected with this eruption were reported to us by Mr. Narlian at his home in Lipari. They were contained in a letter to Prof. Johnston-Lavis, and were published in the London Times and in the Report of the British Association for the Advancement of Science for 1888 (p. 664). 28 Hobbs.— Notes on a Trip to the Lipari Islands. On the 3rd of August an outburst took place in the crater, of sufficient force to throw projectiles out to the sides, whence they rolled down the slope. This lasted ten to fifteen minutes and was repeated at intervals of twenty or thirty minutes. With the throwing out of the projectiles t here would be a great rush of thick smoke (mainly steam and dust) Such eruptions had been observed several times before within the thir¬ teen years Mr. Narlian had been on the island, and he was led to hope that these would end like former eruptions. Toward evening the lead¬ ing fumarole (the secondary crater on the north lip of the main crater), which had given off offensive gases for some months, showed a clear, high flame tinged with green or blue. Mr. Narlian was so alarmed that he did not undress for the night. Towards morning he fell asleep, but was soon awakened by a tremendous din caused by the fall of projectiles on the roof of his villa. Securing his children, he ran to the drawing room, but as the door was opened a red-hot mass of pumice, two feet in diameter fell through the roof, ceiling and floor, smashing and setting fire to everything. Turning back, they reached the verandah by another passage, when a second red-hot block, similar to the first, fell at their feet, was smashed to fragments and burned the feet and legs of the two boys. Mr. Narlian, helping his children as best he could, ran away from the thundering mountain toward Vulcanello. The men, in their despair had carried off the two available boats, leaving him without any means of escape. He was obliged to remain on Vulcanello, almost within reach of the falling blocks, until taken off about noon by boats from Lipari. The violence of the eruption diminished somewhat in intensity, but to the end of the month the noise continued to be heard in Lipari (at a distance of six miles) as a prolonged thunder. Almost the same condi¬ tion of affairs continued through the year, the quantity of projectiles diminishing somewhat and being replaced by fine ash, which mounted as a black cloud to a height of three miles or more before floating off. When I visited the volcano on April 9th of the year following, this was the condition of affairs, with the intensity of the outbursts some¬ what further diminished. We engaged four swarthy boatmen and their boat for the entire day for twelve lires ($2.40). These men, who rowed standing, were dressed in bright colored shirts and trousers rolled nearly to their hips. Their sandals they carried in their pockets while in the boat. Enormous brass rings were stuck in their ears. We carried provisions and wine, as nothing to eat or drink could be ob¬ tained on the island. The morning was clear but the sea was quite choppy. I had never seen water of such a beautiful tint. The oars as they dipped in the water showed a beautiful turquois blue. We landed at the Porto di Levante, the boatmen carrying us through the surf on their shoulders. We visited Vulcanello and photographed the explo¬ sions from that point. One of these photographs has been engraved, and Structure of the Volcanic Projectiles. 29 shows the great dust-cloud ascending and curiously branching as it attains a height above the crater about equal to the height of the mountain. (See Plate I., Fig. 1.) The interval between eruptions varied from three to four minutes to a half hour. From Vulcanello we visited Mr. Narlian’s ruined villa (about three - fourths mile from the crater), which presented a most desolate appear¬ ance with its smashed and charred roof and walls half buried in ashes, lapilli and bombs. The vine and fig plantation was almost completely buried in cinder and entirely ruined, occasioning a loss of about £40,000 sterling. The entire plain (Atrio) between the mountain and the encir¬ cling ring of Monte Saraceno and Monte Luccia, is covered with lapilli to a depth of several feet, and this is strewn with projectiles (the so- called “ bombs ”) of all sizes from such as are smaller than one’s fist to those several feet or even yards in diameter. The larger ones have dug themselves great pits in the loose lapilli so that they are nearly or quite buried, the lapilli being thrown out to a considerable distance. When¬ ever the mass was more than afoot in diameter it was sure to be cracked or broken from the force of its fall, being composed of a coarse acid pumice. Their porous character explains how they could attain to such extraordinary dimensions. We saw numerous specimens that had clearly been over four feet in diameter and at distances of one-half to three-quarters of a mile or more from the crater. Mr. Narlian mentioned one near the well of his house that he thinks was ten yards in diameter. This I did not see. A projectile at least three feet in diameter we found well up on the slope of Monte Saraceno in the encircling “ Somma.” The structure of these projectiles is very interesting. Their shape approaches roughly to an ellipsoid and generally one of rotation, though they are really polyhedral with peculiar warped plane surfaces. Pear-like shapes are not found and their presence would hardly be expected when the material is so porous. They have an outer glassy skin, about a half -inch thick, with fine scattered vesicles. This has a gray surface color like pumice, with cracks opened in and be¬ tween the warped bounding surfaces. Dr. Johnston-Lavis has aptly termed this unique structure the “ bread-crust structure,” since it closely resem¬ bles both in appearance and in probable manner of formation, that of a baked bread crust, in which cracks have formed from the expansion of the gas in the dough after the surface has hardened. The larger cracks show upturned edges and reveal at the bottom of the crack a fine-grained spongy pumice. Everyone will recollect analogies to this in bread. The interior of the “bomb” is pumice with in general an increase in the size of the vesicles toward the center.' (See Plate I, Figure 2.) These vesicles are usually elongated in the direction of the radi- vectori of the bomb. This is doubtless to be ascribed to the centrifugal force developed by the rotation of the mass in the air. The petrograph- 30 Hobbs . — Notes on a Trip to the Lipari Islands. ical and chemical relations of these projectiles will be treated in another paper. The explanation of Dr. Johnston-Lavis for the formation of the projectiles is so satisfactory that I quote from him: Their structure is “ due to the obsidian reaching that intermediate stage between a liquid and a solid or in other words a state of intense viscosity, like slightly warmed sealing wax or hardened Canada balsam, which break when exposed to strong and violent mechanical stress but bend under a slight and gradually applied one. The magma in the upper part of this volcanic chimney seems to be in this critical state, and, as the vapor collects and escapes from the more heated and fluid portion beneath the upper part, is broken in fragments and ejected, when it is relieved from the surrounding pressure and allowed to expand. The crust has cooled along the cracks before this, and continues to do so, as it is whirled through the air, and after its fall, whilst the interior ex¬ pands at the same time, innumerable vesicles being formed from the water dissolved in the magma separating as steam. This expansion causes the cracking of the hardened crust and in some cases protrusion through the crust.” (Proc. Geol. Assoc. London, XI, p. 390, August, 1890.) View of Volcano from Mte Saraceno, showing the “Barrancos11 and the beginning of an eruption. The island in the distance is Lipari. We climbed Monte Saraceno and Mr. Hobson again photographed Vol¬ cano during the explosion. From this point the cone shows well the gul¬ lies (Barrancos) which in other regions figured so prominently in the “ ele¬ vation crater theory.” From this point we could see that the wind, which was fresh from the west, carried the projectiles of the eruptions to the east of the crater. Owing to this favorable circumstance we hoped to be able to safely ascend to the crater from the west side. Mr. Hobson and my¬ self therefore attempted the ascent and had toiled half way to the summit through lapillo and ash lying at the angle of repose, when a severe squall that had been threatening for some time, broke upon us. The sea about the island was lashed into foam. The strong wind picked up the The Return. 31 loose ash and lapilli and drove it against us with such force that we were compelled to cover our heads with our coats to protect our faces. We gave up the ascent to the crater and made the descent, which was as easy as the ascent was difficult. Reaching the Porto di Levante we shel¬ tered ourselves as best we could from the wind and rain till toward even¬ ing, when the violence of the storm abated and we made our way to Lipari by dint of hard rowing in a heavy sea. On the following day with our faces still toward Volcano we took our departure from Lipari on the little mail steamer from Messina, which had again cast anchor in the harbor. After the volcano had almost van¬ ished from sight, we stretched ourselves on the deck under the bright sun. Rising some moments after I noticed that my clothes were being covered by the fine liparite ash of the mountain which was borne to us by the wind. Spreading a paper on the deck we were able to collect a considerable quantity of the material. Thus we bid our adieu to Vol¬ cano. Some five months . later a party from the Geologists’ Association of London visited the island under the guidance of Dr. Johnston-Lavis. They succeeded in reaching the crater’s edge. They saw the inner slop¬ ing walls of the crater to be made up of ash with scattered “ bread- crust” bombs of all sizes. In the bottom were conical depressions which emitted no steam between eruptions. Explosions at intervals of five minutes to half an hour would raise the whole or part of the bottom in a vast cloud, such as we had observed, estimated to attain to a height of 8,000 feet. (Proc. Geologists’ Association XI, p. 389.) It is interesting in this connection to recount certain accidents which have happened to the telegraph cable between Lipari and Capo Melazzo in Sicily. This cable passes quite near Volcano. On the 21st and 22nd of November, 1888, a rupture occurred near Volcano and the cable was buried. Again on March 30th, 1889, a less serious break, and again on September 11, 1889, a more serious one occurred. These facts point to the formation of a submarine vent quite near Vulcano. University of Wisconsin , June 2 , 1892. 32 Hobbs. — Notes on a Trip to the Lipari Islands. EXPLANATION OF PLATE I. Figure 1. View of Volcano looking south from Voleanello, engraved from a photograph by Bernard Hobson, B. Sc., taken April 9th, 1889. The dust cloud mounting from the crater, which in its initial stages showed but a single important lobe, has just sent off lateral lobes the distribution of which is very symmetrical to the central lobe. The active fumerole on the north lip of the crator (in shadow) gives a smaller volume of steam than in the interval between explosions. Figure 2. “ Bread-crust” projectiles from the Atrio to the west of the Cinder-Cone of Volcano. At the left of the figure is a bomb about the size of a tur¬ key’s egg, which shows the polyhedal shape, the hard, smooth surface, and the peculiar cracking. On the right is a fragment from a bomb which was about the size of a man’s head. The piece is three and one- half inches high. The upper is the original outer surface and shows a vesicular obsidian extending to a depth of about one-half an inch. The rest of the material is pumice, the vesicles of which are ellipsoidal with their longest axes roughly perpendicular to the original obsidian sur¬ face. The size of the vesicles increases toward the center of the bomb. Trans. Wis. Acad . Sci. Vol. IX, PL I. Fig. 1. Hobbs. Fig. 2. Trip to Lipari Islands. i f- p: ; !-• Psychology as a Science. 33 SOME SUGGESTIONS CONCERNING METHODS OF PSYCHOLOGICAL STUDY. By J. J. BLAISDELL, Beloit, Wis. I feel myself already rebuked ia bringing before you the matter which 1 am about to read. Not indeed because it is, in my view, for substance without importance; but for the reason that ia the way ‘of its putting, it is crude and in a measure meager and inadequate. It will have this ele¬ ment of advantage, that it is beaten into deep personal convictions by not a feu; years of teaching the branch in question, and put to the test of its truthfulness by having contributed to helping a number of fair minds into an apparently well-grounded habit of good living. What proves to be well adjusted to normal living— the best test of the signifi¬ cance of theories — cannot be altogether spoiled by the manner or method of its presentation. What suggestions I have to make upon the methods of teaching Psychology I should like to bring before you in the way of several questions. 1. Should it not be more thoroughly insisted on that psychology is a science — a science of observation— an inductive science? Avery com¬ mon use of the word science makes it designate only a concept of the several d partments of what may be loosely described as physical, nat¬ ural, material processes. It often means any such concept as may be gathered up piecemeal of a conglomerate of unrelated facts in a given field, without insisting on the logical coordination of these facts, and their subordination to some generic principle. Even in many cases wherein the claim of psychology to a scientific dignity is allowed, it is done with a timidity which seems to arise from a suspicion that as a sci¬ ence it jacks the clearness, distinctness and adequacy, which constitute the perfection of scientific character. If indeed there be just question whether psychology is thus usurper of a place in the category of the sci¬ ences, it is fair certainly to give it thorough challenge. If, on the con¬ trary, it presents a defined field. of fact with its exact extension and in¬ tension, and is entirely capable of differentiating and relating its con¬ tents, it is time that scholarship should clear its habit from undue bias derived from study by the five senses and, with explicit commitment, admit it into the order of the sciences,— this one, without which, if its scientific character be made good, all others would wield a barren scep- 4— A. & L. 34 Blaisdell — Suggestions for Psychological Study. ter. The phrase, “science of psychology” should be pronounced in a major key. In a curriculum of studies the designation “science” should certainly as much include psychology as geology or chemistry. The word “scientist”— barring the infelicity of its mongrel etymology, which makes it a pain to use it, — should not denote one more than the other. There is no reason why science should mean science of matter more than science of mind. College boys and university men should not be allowed to grow up with the paralogism bred into them that science is even by one whit of eminence a conquest of five senses — sight, hearing,, touch, taste and smell. Equally questionable is it whether science should not register sound¬ ings upon its scientific chart in regard to the word “observation.” One is tempted at times to wonder whether in the great eagerness after the discovery of new facts in the wide realm of the unknown, we have not not only fallen into mistaken views of the relation of the departments- of science to each other, but failed to hold proper balance of apprecia¬ tion as regards the very instruments of discovery themselves. If the five senses have, in whatever alliance, yielded up wonderful disclosures to the throbbing heart of the student, his wisdom lies in keeping due con¬ fidence in other means of approach to the arcana of things. We can often sail by looking at sun and stars or watching ocean currents; it is convenient to have in reserve the methods of dead reckoning. We must, remember that science is the concept of the whole universe, that there is really only one science, and that there are paths up the inland heights of that awful realm which no vulture’s eye hath seen. Is not con¬ sciousness, by which the phenomena of mind are cognized by mind, an implement of observation as trustworthy as the eye or the ear, or has it failed oftener the explorer who has used it? I am not now speaking of inferences, though one does not easily see why inferences from consci¬ ousness are more likely to be mistaken than inferences from the dis¬ closures of the telescope or the spectroscope, for they both stand on the same level of safety. I only speak of the facts of mind which are the subject matter of psychology, and suggest that, disclosed as they are in consciousness, they are as much matters of observation as the things which are learned under the acid or the hammer. While, as is fully rec¬ ognized, the physiological laboratory may be invoked as an ally to illus¬ trate and perhaps supplement them, they are facts of observation in consciousness, and their distinctness and fullness of disclosure entitle psychology to be classed with as much firmness as an observational sci¬ ence like physiology or natural history. There is no apparent justice in arrogating to physiological psychology exclusively the designation em¬ pirical psychology, as has been strangely done by some of late. It seems much like the forwardness of unripe intelligence, the crudity of a late= arrival in the realm of metropolitan science. Nor have we less reason to put questions to a disposition to speak of Laboratory Practice. 35 psychology as if there were some uncertainty as to its being an in¬ ductive science. It would be salutary as a mental alterative if we would often really recur to Francis Bacon, a man as much abused by modern science as Aristotle was abused by him. It is hard to see why the facts of mental science, which lie within the horizon, of conscious¬ ness as truly as those of the heavens lie within the range of the eye may not be induced into general concepts, and by still further in¬ duction constituted into a hierarchy of principles so as to make psy¬ chology an inductive science of observation. Certainly any possible science of physiological psychology is conditioned upon the authenticity of consciousness, for its “cortical irritations” are only disjecta membra, to whose disclosure consciousness holds the key of witness. 2. I would like to express a suspicion I have felt in regard to the prevailing conception of laboratory practice as applied to the study of psychology. What I have in mind does not primarily concern the laboratory practice1 which is made so much of in investigating psychical processes by the aid of physiological experiments. No objection can be made to such adjuvant processes for throwing light upon the occult phenomena of volition, thought and feeling. I can see no reason, how¬ ever, why such laboratory practice should not in honesty be designated as physiological. Is it not physiological practice? No doubt much curious light has been thrown upon mental processes by such experi¬ ments, though perhaps their value has been relatively overestimated, particularly in the inferences they have been supposed to justify. At all events, of the two inferences, spiritism and materialism, the former is more likely to be the ultimate one than the latter. What I have in mind is rather the unduly restricted conception of laboratory practice, which makes it inapplicable to the immediate inves¬ tigation of mental phenomena by consciousness. What is a laboratory? Is it anything more than a place where the student proceeds to explore, by experimental methods of scrutiny adapted to the theorem in ques¬ tion, any conceived phenomena ? And laboratory practice is such personal beleaguerment of the field of fact, is it not? Is there any rea¬ son why it should be prosecuted exclusively with the eye unarmed, or armed with the microscope and knife ? The phrase, “laboratory practice,” is freely used in respect to the corresponding method of studying history. It is not insisted on that history should be elaborated with the •eye or the ear, or literature. And so, in psychology, for the eye and the hand consciousness may as well be substituted, and under the scruti¬ nizing eye of introspection the procession of mental states may be made to pass and give account of itself. It may very likely be more difficult to differentiate and diagnose the elements of the theorem in mind than in matter, so that the student is more likely to need a mentor, and it is not probably as safe to leave the tyro to himself, because he is not so used to moving in realms of mental facts as in realms of sense. Accord 36 Blaisdell — Suggestions for Psychological Study. ingly, Plato excluded from his esoteric classes men who had not studied the mathematics. He will very likely require for safe conclusion an older student at his side to hold the object of investigation in the focus of view, and help him spell out the unfamiliar objects in those invisible regions. So Plato needed Socrates— Plato, the teacher of the ages. It may be done in the class room, which you may call a laboratory; but it is a laboratory, where results are reached — under any good teacher — by laboring them out by the use of a cutting and coming again process as truly as corresponding things are laborated in chemistry or biology. In fact the ancient method of recitation by memory— and it had its ex¬ cellencies, which in the new days will be altogether lost to very great damage —is everywhere modified, and there is no good teacher, nor was there ever a good teacher in any department of instruction, whose recitation room is not a laboratory. So Gorgias thought when he sat in the laboratory of the great typical teacher, Socrates. So Polus thought when he was dealt with by the great teacher as Marsyts was dealt with when he thought to excel Apollo in the use of the lyre. Indeed, to say one of the many things which one would like to sqy in caution about this laboratory work, there is less likelihood at present of one danger from the use of laboratory methods in psychology than iu the material sciences, from this very need of the presence of a teacher to superin ‘-end laberation. It is coming to be more than suspected by thoughtful observers that what may be said to amount to a fad of labor atory practice is, in the hands of a multitude of teachers, only the turning of the student into a laboratory supplied at a great cost with the requisite implements, to find out, by tardy and unmilitant processes, the less or more significant facts in a department of things, without seeing to it that in the student’s mind these facts are properly coordi¬ nated and reduced to a whole of scientific structure and import. The truth is, that no body of facts in any science can properly be left, as found by the student of whatever perceptive sagacity, without being constructed into the wholeness of their scientific relation by a teacher’s broader and maturer comprehension of them, and interpreted into the student’s mind in all their mighty and living import out of the heated furnace of an endowed teacher’s aroused heart. All good teach¬ ing is interpretative empowerment — whatever the thing taught, and not in the way of mere intellectual stimulation in order that they may study, as Prof. Moses Stuart used to say, “ like a tiger, ” but in the way of making the perfect concept elaborated mighty to the volume and momentum of living. And any good teacher of psychology is all the better circumstanced, by his necessity of holding his mind close to the student’s mind, for a laboratory practice which will minister to the highest ends of teaching and study. That teaching is everywhere the best— and none other is good — which makes thoroughly scientific con¬ cepts generative in the pupil’s mind of most productive momentum in manhood and womanhood. Order of Topics. 37 3. A third question I have to raise is in reference to the proper order of topics in the study of psychology. It has seemed to me very strange that the treatment of psychology should persist in handling the func¬ tions of mind in the order of intellect, sensibilities and will. It of course suggests itself as a reason of this order that by the intellect are fur¬ nished the facts by which the sensibilities are awakened, and that in these the will finds its immediate motive of purpose. This is no doubt plausible, and is very likely the traditional reason of the order. Some writers in psychology have been controlled by a rhetorical reason, and have constructed their work on the principle of the law of rhetorical cadence. The exaggerated relative importance attached to the intellect¬ ual function of mind has not only led to giving intellect first place in treatment, but even to making it the exclusive topic, allowing at least small and insignificant attention to the executive powers, perhaps put¬ ting them over for consideration into the department of ethical science. It can easily be explained that one who is handling psychology in the interests of illustrating the evolution theory and setting forth a genesis of mind in that interest, as Hoefding and many others, will adopt that method. But no such reason can be assigned in the case of many writers. The preliminary question ought fairly to be discussed, which one of the two conceptions ought to rule in the teaching of science . Mr. Her¬ bert Spencer would no doubt answer, that the various sciences ought to be taught entirely in the interests of the one comprehensive natural procedure of the universe. Psychology has its worth and its interest for us as a stage in that cosmic procedure, and the sole dominating principle of its teaching is loyalty to this method of procedure. There is but one science in this view, that of evolution. Some others of us believe in the reality of final causes, and in a moral final cause, and that man’s being is determined by reference to that moral final cause, so that he is not only a stage in the cosmic series but a responsible actor in view of the series. Indeed, it would seem that man is hardly a co-ordinate stage in the series, but that the series is so related to him’that he is, so far as this world is concerned, its final cause. He seems to be protagonist in a system which constitutes his arena. We think him disengaged from the tyrannic current of natural processes, and that he has in himself, and not in nature, the law by which he is to be studied and estimated and held responsible. Indeed, if this is true of man, it is, in a related way, true of everything else. The question is, whether we are to hold everything as part of a stage of aimless nature, or as related to a final moral stage. I suspect that the real question which underlies our method of teaching at the present moment is squarely this, whether we are pupils of Herbert Spencer or of Socrates, or — to mention no other— of Jesus Christ. This, apparently, is the only issue which — whatever may have been the reason in the past, and with merely 38 Blaisdell — Suggestions for Psychological Study . traditional teachers today— will control onr practice as regards the or¬ der of our topics in teaching psychology. We may say with Hoefding, In the feeling of responsibility and in repentance is implied no more than that the individual recognizes that he has willed the action, and, by virtue of the better mind to which he has come, condemns himself for having done so. The idea that it would have been equally possible to have acted in the opposite way does not make itself manifest in all in¬ dividuals, and, when manifested, must be explained partly as the con¬ fusion of a metaphysical notion with psychological experience, partly as an illusion which is very natural when the individual has his new con¬ viction and, with a strong desire to have acted otherwise, is vividly con¬ scious himself at the moment of action, without, however, being able to survey and realize all the inner and outer condition in actual operation at the time.” Or with Ziehen, “The idea of a casual relation is an idea of similarity. The analysis gives no ground for the assertion of a spe¬ cific faculty of will. It is different with the conception of moral respon¬ sibility. This conception is contradictory to the deductions of physiol¬ ogical psychology.” On the contrary, with the letter of Hoefding’s last word, spoken no doubt with another view: “However far it may be pos¬ sible to explain man through the world, the world in its turn is always explained through man.” According then as we explain mind as a pro¬ cedure of persistent and transmitted “cortical irritations,” or as a citizen of the spiritual commonwealth, we must determine where in his being to begin its study. My question is only whether, if we are teaching mind not as a persist¬ ing procedure of “cortical irritations,” but as a citizen of a spiritual kingdom ordered in good, we had better not begin with the will, which in this latter view is the man. In my own practice, if I may be allowed to speak of it, I have done this with comparatively most satisfactory re¬ sults in ways of which I cannot now speak. It has seemed to me that the will should be emphasized in treatment as the prime and mainly con¬ stitutive function of personality, the form of the function being care¬ fully studied, its relation to causation, its organic connection in the mental economy, and the conditions under which it is related to the system of which individual mind is itself only a co-operative member. If this primary and leading consideration is given to the will, will not the intellect and sensibilities take the place in the study of psychology not merely secondary in the order of time, but secondary and ancil¬ lary in the order of function? Will being the main constituent of personality and life being progressive adjustment to environment, envir¬ onment will relate itself to personality through avenues of intelligence. It becomes then the office of,' the cognitive powers to gather in, as data for voluntary procedure, the facts of the environing universe, furnish¬ ing them for memory to cherish, judgment to conceive and imagina¬ tion to represent, constituting therein science, the handmaid of living. For the purposes of character, however, will, and will does not fulfil Scientific Arrangement of the Sensibilities. 39’ its citizenship save as it becomes character— is placed under disci¬ pline of alternatives, in adjustment to environment, only by means of the appeal of sensibilities; and consequently feeling, in its various forms, becomes a second subsidiary function in the mental life. This order in the treatment of mind— which, to do it justice, should be much more fully given in detail — has the justification that it deals with m'nd as we deal with every structure, whether vital or mechanicaL Of course this is said only on the supposition that mind in itself has a final cause— that man as a free being is accountable under moral order. If we are intelligently considering, in order to understand, a locomotive engine, we go straight to the heart of this world's wonder in the force which moves the mighty pistonrod. From out that heart, we follow back to the steam and the fire which generates it, and the furnace and the boiler as needful conditions, and forward to the valves and the cylinder chamber, the levers and the wheels, by which it is applied to the problem of movement. If we would enlighten the pupil concerning a tree, we direct him first of all to the appropriative and digestive force which constitutes the active principle of life, furnishing from soil and by sunlight the varied material and varied fiber. The leaf, the root, the trunk, the branches, the new seed, follow in their order. With the human body it is the same. I cannot see why it should not be so in the study of mind — that we should not adopt for our order will, intellect, sensibilities. 4. Of the remaining questions which 1 wish to leave an impression of. one is concerning the possibility of a more scientific arrangement of the sensibilities. Even upon the supposition that all the feelings are but ulterior and elaborated sensations arising in evolutionary order and issuing in so-called naturally determined action, should there not be an organic conception of them? Nature is orderly, and is quite capable of giving an account of herself in the terms of order anywhere. She has no real conglomerates. Especially it is impossible to justify fairly the absence of due logical subordination, to which this most interesting function has been abandoned by those who recognize the moral personality of mind. The traditional classification — simple emotions, affections and desires— has no justification in any organic conception of mental life. Would it not be worth while to try as a working hypothesis at least, in case mind is free personality under moral law, whether we may not find among the sensibilities some that constitute the appeal of that realm of law to this freely acting personality? It may be— it seems reasonable that it should be — nay, it seems manifest that it is true, that, correlative to the law of the true, under which mind acts in judgment, and the law of beauty, under which the sensibilities are ordered in feeling, and to the dual law of the good, under which the will is responsi¬ ble in citizenship, there are clearly defined and explained sensibilities which stand as advocates before the free personality to induce the 40 Blaisdell — Suggestions for Psychological Study. higher and supreme conformity of the will, in loyalty to the good, the beautiful and the true —that ultimate kinglom which is the home and the aspiration of man. If we should find this hypothesis justified, we might call these sensibilities the rectoral sensibilities. On this general conception of the significance of mind, the classifica¬ tion of the sensibilities may be easily completed. The function of moral citizenship under law having to be performed in relations suitable to the common weal, the environment which they furnish may be ex¬ pected to be — we should suppose must be— nay, are manifested as be¬ ing, by whatever law of the survival of the fittest or any other, brought to bear on the personality for adjustment by corresponding forms of feeling. The race, the nation, the family, have their correlated sensibili¬ ties, which promote the integrity and permanent maintenance of these relations. These we may call the relational sensibilities. The individual personality, however, could not be expected to be left without provision in corresponding sensibilities which should guarantee its support. Man is a dual oiganism in which, whatever explanation we may make of it, is the antithesis of mind and body. Mind and body must be brought into touch, for their support, with the will by forms of sensibility which present their needs to this central personality. There must be the mental and the corporeal appetites, and thus we have a third class of sensibilities which we may well enough call suppeditary sen¬ sibilities. Without going into detail and explaining certain forms of sensibility which only seem extraordinate to this classification, would it not be practicable to substitute for the old classification or for none at all, this: The rectoral, the relational, the suppeditary? Certain it is that in the study of mind, whatever view we may take of its place and relation in the kosmos, we are compelled to account upon mind as being a most consummate piece of perfect work. The eye, which detects harmony, is a harmony. The mind that responds to summer sunsets is no jnmble. The wonders of constructive art in lower organic life are out¬ matched in the structure of the personality. If we cannot say with Hamilton, in the legend over his teacher’s desk. “There is nothing great in the universe but man; there is nothing great in man but mind,” we can consent to all that the great dramatic poet has said of him, and we can adopt the words of that composite lyric philosopher which sends his plummet deeper than Shakespeare’s has gone into wondrous depths of personality: “Thou hast made him little lower than the angels.’ Surely the study of psychology has yet conquests to make in the dis¬ covery of mental order that are beyond the achievements of the micro¬ scope and the section knife of the tyro, who has not yet sounded his own mind’s depths and the depths of the great heart of the world and of history. He only who is, through long listening, a seer, is fitted to hear the revelations of this oracle out of the unknown and awful Holy of Holies. Epistemology Empirically Considered. 41 5. Socrates in the Republic is made to say: (C e7ti6vry,irj is the knowl¬ edge, in respecb to the reality, that the reality is.” Now it is affirmed that “we have numerous sensations and by means of these we acquire ideas. We then assume external objects as the cause of these sensations and ideas. Empirical psychology therefore relegates the further handling of the problem, in so far as it is capable of any solution whatever, to Episte¬ mology.” Now I would raise the question whether Epistemology is res¬ ponsible for giving account of the causes of sensations and ideas any more than it is for certifying the reality of subjective sensations and ideas themselves. Is it any less gratuitous to say that we have sensa¬ tions and ideas or to entertain a concept of sensations and ideas as being their mental image representing a mental reality, than it is to affirm a cause of our psychic states? If it is not legitimate for empirical psy¬ chology to affirm causes of mental states then it is not legitimate for empirical psychology to affirm ideas or sensations. An idea is some¬ thing, a sensation is something, even though it be merely a phenomenon. The question is, whether in case we have not Epistemology, there can be not only any affirmation of causes, but any trust in the existence of sen¬ sations or ideas. Does not a psychology which leaves a lacuna oppofite- the word knowledge , for the same reason leave one opposite the word ■ reality , opposite the word sensation , opposite the word therefore , op¬ posite the word science? This only goes so far as to constitute a caveat against making any part of psychology its own verification. Empiri¬ cal psychology, whether it be constructed by consciousness alone or with the valuable aid of physiology, is a dependent science. It is a natural science — I am quite willing it should be called so, if the human mind be regarded as a part of the fundementally free system of nature and not a part of a supernatural realm, as Dr. Bushnell classes it, and all its phenomena are answerable to the law of sufficient reason and so are verified by Epistemology. I was intending, however, only to ask the question as to the order of studying the cognitive function of mind. If it is by the exercise of this function that knowledge is had, and the science of knowledge, which is Epistemology, exists, the function itself is a topic of psychology. It has always been a puzzle how to furnish any adequate warrant for the ver¬ acity of the senses. Any explanation which can be furnished out of the phenomena of mere sensation by recurring to the coordination and mutual consensus of all the senses is unsatisfying. It is in vain to re¬ sort to the Cartesian verification in the veraciousness of a beneficent Creator, for this would involve sooner or later a circle in reasoning. Must we not first find our verifications in the certainties of reason? Does not the significance of the five senses lie in the fact that we have super¬ sense cognition, or reason? It is customary to begin the study of the presentative functions of mind with the subject of sensation and sense- perception, doing as well as we can with the question why we should 5 -A. & L. 42 Blais dell — Suggestions for Psychologiccd Study. trust the senses. As for myself, I have found it satisfactory to seek in reason— the supersense cognitive function in its various modes— en¬ trance to the intellectual department of mental study and find there the ground on which to plant the superstructure of perception by sensa¬ tion. It is only because we have the power of rational knowledge that we have the power of sensing reality. Reason is the only apprehension. Sensation only gives coloring. I would suggest that along this line of procedure— for those who have not surrendered the department of psy¬ chology, like others, wholly to agnostic theory— will be found relief from an otherwise unresolved perplexity. There is no ground for believing in a cortical irritation, or in a sensation, or an idea, or for making any judgment or using any predicate, unless there be found first in empiri¬ cal psychology intimation of a function of rational knowledge. If you can not find it by physiological psychology you must seek it by the psychology of conciousness. If you say there is no other psychology than physiological psychology, your physiological psychology is the fu¬ tility of the hypothesis of the dream of a dream. Utter skepticism even is a baseless hypothesis which is itself an endless hypothetical series.. When we arrive at such a pass we may say with Cicero: “Et mihi ipsi diffidem” — “I do not know which end my head is on.” 6. The only other suggestion I have to make is of a doubt whether we have not hitherto done violence to psychology by limiting its range to individual mind. The ancient conception of man as having not only his end but his significance merely as a fraction of the state, against which, in its classic form, Christianity made divine protest, but which corporate Christianity too much yielded to, giving away under the in¬ tense materialism of the French revolution period, is, in better form and under better auspices, reasserting itself in this our new period. Ours has been a most beneficent era of the clearing up and differenti¬ ating of the individual personality, of which era the French revolution was the criminal evangel. Since that baleful morning of blessing, the individual has happily, by slow and painful and turbulent process, be¬ come identified not only out of the classes into which an utterly un¬ sympathetic science had generalized him, but out of the mass of the civic society in which selfish social tyranny had lost him, making him only a cypher for multiplying its own significance. Now that not only the word man has come to mean man, and woman has come to mean woman, but each individual man is revealed in the common conscious¬ ness as being his own determinate and significant self, and each woman as being her own determinate and significant self, and in like manner and degree childhood has come to the recognition of his and her signi¬ ficant identity also— a process not altogether completed— a splendid re¬ integration into a richer integrity of civic society is already putting to us the question whether, as our practical philanthropy and patriotism are asserting the new gospel of organic solidarity, so the science of man Conclusion. 43 should not reconstitute itself on the same better principles. The question arises, is the psychic man realized in the individual or in so¬ ciety? Is psychology complete when it isolates the individual person¬ ality and studies him thus, or should it at least complete its work in maturing the perfect concept of that flood of social purpose, instructed by confluent intelligence and made persuasive by fellowship of heart,— the social personality, which is immeasurably more than the sum of its constituent individualities, even as the living body is the sum of more than all its members and as you have not the oak when you have its root, its trunk, its leaves and its branches which hold them forth to- breathe the air of the winds of the mountains? It certainly seems likely^ that, obeying the widening comprehension of all thought, social psycho¬ logy will inherit the interest of scholarship not long hence — the empiri¬ cal science of the social mind. All things force us to the conclusion, that, while the science of which I have been speaking is reverend with the growth of many years and by the> record of many who have been made illustrious in its study and teach¬ ing, it has most interesting and momentous inquiries yet for the stud¬ ent to consider — new fields to conquer. Certain it is that, such is the relation of psychology to science as science, no conquests in the field of other sciences can be made settled realms of human possession so that man can call them his and be much greatened and ennobled by their influence, save so far as by this science of the mind the endowments, in whose hands can be found the title deeds of their certain tenure, are disclosed. ON THE FLORA OF MADISON AND VICINITY, A PRE¬ LIMINARY PAPER ON .THE FLORA OF DANE COUNTY, WISCONSIN. BY L. S. CHENEY AND R. H. TRUE. In its conception, the plan of the work which has resulted in this paper, included merely the formation of a list of the phsenogamous flora of Madison and vicinity. As the work pro¬ gressed, however, the determination of limits became increasingly difficult and it was finally resolved to make the results already obtained the first instalment of a list of the flora of Dane county. It, therefore, follows that the list, fairly complete through the Bryophyta, for the original locality, becomes a rather meager one for the larger area. As it is intended to thoroughly can¬ vass the remaining parts of the county as time may permit, it Las seemed best to entitle this paper “a preliminary list, ” with a request that errors and additions be kindly brought to the notice of the writers. As environment is so influential in determining the character of the flora of any given region, it has seemed best to preface the consideration of the plant life of the area in question by a brief notice of its topography, geological structure and meteor¬ ological conditions. In drawing up the following account, free use has been made of the descriptions and plates found in the “Geology of Wis¬ consin,”* especially Vol. II, and those desiring greater local detail than the limits of the subject permit here, are referred to that work. Dane county occupies a position about midway in the width of the State and its southern boundary is twenty-four miles north of the Illinois state line. It has an area of about 1,238 ♦Madison, Wis. T. C. Chamberlin, Chief Geologist, Vol. II, 1878. (Roland D. Irving, As¬ sociate Geologist for Central Wisconsin.) 6— A. & L. 46 Cheney and True — Flora of Madison and Vicinity. square miles. In shape, it is almost a perfect rectangle, the- northwest corner being cut off by the Wisconsin river. From north to south, its extent is thirty miles; frcm east to west,, forty-two miles. Except an area of 120 square miles in the northwestern part,, which is drained by the Wisconsin river, Dane county lies in the Rock river basin. The water-shed between these two basins crosses the county in a southwesterly direction, cutting the north and the west lines fifteen miles and thirteen miles, re¬ spectively, from their intersections with the Wisconsin. There- is maintained, therefore, a valley of approximately regular- width. This ridge has an altitude of from 500 to 600 feet above Lake Michigan and a width sometimes equal to a township. Both sides are irregularly eroded, the northern side, espec¬ ially, being fringed out into long, abrupt headlands. The top is occupied by a prairie belt. Except in the middle third of its course, in the towns of Middleton and Cross Plains, its surface- stratum is Lower Magnesian limestone. Here St. Peter’s sand¬ stone and Trenton limestone appear. Toward the Wisconsin river the level is broken by outlying patches of high country.. The southern slope from this water-shed is much more gradual,, more nearly conforming to the slope of the underlying strata. Although included in the Rock river basin, the remaining part of the county is drained in three different directions by a num¬ ber of small streams. Chief among these is the Yahara river. The valley occupied by it and the chain of lakes which it con¬ nects, forms the central topographical feature of the county. This river, entering from the north, flows south to the middle of the county and empties into the largest and most northern of the lakes. From here a general southeast direction is followed to the point of exit from the county. At varying intervals along its lower course, the river widens to fill cross valleys of various sizes, thus forming the well-known series of lakes. Along this valley as far south as the lowest of these lakes, Pots¬ dam sandstone is the surface stratum, bordered at the sides by Mendota limestone and Madison sandstone (Lower Magnesian). Along the remainder of its course in this county, the surface- formations are in general Lower Magnesian limestone with limited. Topography and Geological Structure. 47 areas of Potsdam sandstone. The general altitude of the valley is from 250 to 300 feet above Lake Michigan. The surface is occasionally rather irregular owing to the varying thickness of the drift deposit. This is especially true in the immediate vicinity of Madison. In the southwestern part of the county, separated from the Yahara valley by a belt of hilly country, is the Sugar river val¬ ley. The slope is here almost directly south. The surface for¬ mations are principally St. Peter’s sandstone, Trenton and Galena limestone frequently occurring in limited areas. East of the Yahara valley and separated from it by a ridge varying from 240 to 400 feet in altitude above Lake Michigan, is the third drainage area in that portion of the Pock river basin included in Dane county. Here the slope is nearly east with a gentle, undulating descent. In the northern part of this regiony Lower Magnesian and Trenton limestone form the surface strata; in the middle area, St. Peter’s sandstone prevails, while Trenton limestone forms the greater part of the surface rock in the southern part. The soil of Dane county is, in general, very fertile, the chief exception being found in the sandy lowlands along the Wiscon¬ sin river. Since the soil derives its character to a great degree from the underlying strata, we might expect that the Yahara valley with its Potsdam foundation would also present a sandy soil. On the contrary, drift and alluvial additions have ren¬ dered it most productive. In the limestone region the char¬ acteristic fertile soil is found. Although the meteorological observations here quoted were made at Madison, it may be assumed that they hold with suffi¬ cient accuracy for the entire county. The average annual rainfall is about 34.5 inches. The month of least average fall is February; the month of greatest fall, June. The average number of days in which rain or snow falls is 105, so that protracted drouths are very rare. The mean annual temperature is about 45°P. The maximum summer heat is about 100° and the. minimum of winter is abou 26° below zero. Continued severe winter weather is the excep¬ tion. 48 Cheney and True — Flora of Madison and Vicinity. The vegetation of the region under consideration varies some¬ what with elevation and character of soil. The woods, confined chiefly to the uplands, are made up largely of the oaks, with occasional limited areas characterized by maples, cottonwood or the white elm. The conifers are barely represented by Larix Americana , Juniperus Virginiana and Picea nigra. Generally speaking, the low marshy meadow bordering on the lakes and .streams yields chiefly grasses and sedges. The greater number of the flowering plants and ferns enu¬ merated are quite generally distributed throughout the region, ■but there are some exceptions worthy of mention. Of the six¬ teen Orchids listed, but three, Orchis spectabilis , Habenaria bracteata and Cypripedium pubescem, may be regarded -as having a general distribution ; the others occur in very limited areas only. Larix Americana occurs in a swamp near Windsor, in a similar place east of Lake Waubesa and at Hook Lake; Mitella nuda and Trientalis Americana in the swamps near Windsor just mentioned. So far as has been observed, Ophioglossum vul- gatum grows in a single locality, a little sandy knoll near the outlet of Lake Wingra. Several introduced species, such as Balsola Kali , Camelina sativa , Barbarea vulgaris , Arenaria ser- pyllifolia and Veronica arvensis , are found only along railroads and near towns. Of Platanus occidentalism but a single small spec¬ imen was found. This stands at the water’s edge on the west shore of Lake Kegonsa midway between the northern and the southern extremities. Of Gymnocladus Canadensis , two small trees are growing in the woods near the lake shore east of Winnequah. Most noteworthy of all exceptions is that furnished by Hook Lake. This small sheet of water occupies a basin in the “kettle range” in the southern part of the county and has no outlet. In the lake is a floating bog of several acres extent, and also a high wooded island. On the bog are a few scattered spruces {Picea nigra) and a dense undergrowth of Vaccinium corymbosum. On the margin of the lake Vaccinium Pennsylvanicum , V. corym - bosum , Pyrus arbutifolia , var. melanocarpa , Spircea tomentosa and Betula papyrifera were collected. Another peat bog of a somewhat similar character of smaller area is found in the most southeast section of the town of Madi- Classification of Species. 49 son. Here Sphagna are found in abundance along with the flow¬ ering plants characteristic of such regions. Of the 729 flowering plants here listed, 626 are Indigenous to Wisconsin. These, with the exception of nine species, are natives of Dane county and of the special portion of it under con¬ sideration as well. Of the 103 introduced species, Salsola Kali came from the eastern states ; Robinia pseudacacia , Mollugo ver- ticillata , Helianthus annuus, Phlox paniculata and Tecoma radC cans from the middle and southern states ; Ipomoea purpurea , Amarantus retroflexus and Chenopodium ambrosoides , var. anthel- minticum from tropical America ; AEsculus Hippocastanum from Asia; and Abutilon Avicennce and Polygonum Orientale from India. The remaining ninety-one are European. Probably sixty of the introduced species have been cultivated as plants useful to man. Salsola Kali and Mollugo verticillata are Ameri¬ can weeds that are becoming widely distributed, though not es¬ pecially troublesome. The remaining forty-one have come to us unbidden as the accompaniments of immigration and importa¬ tion from foreign lands and include most of our troublesome weeds. The moss flora (including the liverworts) of Madison and vicinity is not especially rich. The absence of the most favor¬ able conditions, such as pine or dense hard wood forests and peat bogs, together with the general cultivation of the soil, con¬ spire to keep out or drive out many forms that otherwise might be expected in this latitude. The lack of the necessary moist¬ ure on the rock exposures about the lakes prevents the growth of many forms occurring in damper spots in the southern part of the State. Of the 150 species and varieties identified, fifteen are liver¬ worts, distributed as follows : Jungermanniaceoe , five ; Antho- cerotacece , two; Marchantiacece , five; and Ricciacece, three. The remaining 135 include forty-three Hypnums , ten Dicranumsy eight Bryums , five Polytrichums , six Orthotrichums , four Mniums and fifty-nnie species distributed among thirty-one genera, not more than three species occurring in any one genus. Among forms of rare or of local occurrence, the following may be noted: Pylaiscea subdenticulata , P. polyantha, , Leslcea Aus- 50 Cheney and True — ‘-Flora of Madison a,nd Vicinity. tini , Hypnum irriguum , var. spinifoliurn , IT", acuturn , .£T. eom- p actum, H. filicinum , Desmatodon arenaceus , Bar but a fallax, Gymnostomum calcareum , 6?. rupestre , Philonotis calcarea , 67y£- indrothecium compressum , Dicranum viride , D. Bonjeani , vars alatum and Schlotthaueri , Grimmia Donniana , G. plagiopodia, Mnium rostratum , df. serratum and Sphagnum molle. The list of plants included in this paper is the result of the work of three seasons. During that time fully five thousand specimens have been examined. All plants admitted to this list have passed through the hands of the authors ; therefore, they only are responsible for errors. On account of lack of time during the early part of the season it has been impossible to make a systematic study of the difficult genus, Salix. It is expected to give to it a thorough study dur¬ ing the coming season and a report upon it will be made in a later paper. For the convenience of collectors and others to whom it will be of use, a map of Madison and vicinity is included with the list. It is based on the topographical atlas sheets of the United States Geological Survey and has been brought up to date in regard to roads. It is hoped that it may serve as a practical field guide to collectors. In nomenclature the sixth edition of Gray’s Manual has been followed in all cases. The reason for so doing has been that of convenience, as this is the manual most in use here. In general arrangement we have followed the same work with a few exceptions. For Phanerogamia, the term Spermaphyta has been used. The Gymnosperma: have been placed between the Monocotyledones and the Pteridophyta. In the minor de¬ tails of classification the manual has been followed in all partic¬ ulars. We again make convenience the reason for so doing with¬ out thereby expressing any opinion of our own. At the suggestion of Dr. Edward Kremers, of the Pharma¬ ceutical Department of the University of Wisconsin, we have indicated, for the convenience of students of Pharmacy, the medicinal plants occurring in this region. We have designated the unofficinal medicinal plants by one asterisk before the name of each, and those officinal by two asterisks. Whenever the name Acknowledgements. 51 by which a plant is known in the United States Dispensatory -differs from that given in the last edition of Gray’s Manual, the former is quoted in parenthesis as a synonym of the latter. As a basis for comparison we have used the third edition of the Dispensatory and the sixth edition of Gray’s Manual. In the preparation of this list we have received much kind aid. Grateful acknowledgments are due to Dr. Charles R. Barnes, of the University of Wisconsin, for assistance rendered in the de¬ termination of the more difficult species of mosses ; to Dr. L. M. Underwood, of the University of Texas, for the indent ification of liverworts; to Dr. C. Warnstorf, of Neu Ruppin, Prussia, ior the determination of mosses belonging to the genus Sphagnum ; to Dr. Charles Morong, of Columbia College, and to Dr. Stanley Coulter, of Purdue University, for the determina¬ tion of difficult species of flowering plants. For help rendered in compiling the list of flowering plants, we wish to express our thanks to Dr. H. L. Russell, Mr. G. W. Moorehouse and Mr. H. E. Case. For kindly suggestions on various points, we acknowledge indebtedness to Drs. Edward JKremers and W. H. Hobbs, both of the University of Wisconsin. We are indebted to Mr. I. M. Buell for the use of his corrected map of Dane county, which has been used freely. Madison, Wis., January 27, 1893. 52 Cheney and True — Flora of Madison and Vicinity SPERMAPHYTA. ANGI0SPERMA2. POLYPETAL^E. DICOTYLEDONES. Ranunculaceas (Crowfoot Family.) Clematis, L. Virgin’s bower. 1. *C. Virginiana , L. Common virgin’s bower. Not rare along the shores of the lakes. Anemone, L. Windflower. 2. ** A. patens , L. var. Nuttaliana , Gray. Pasque-flower. Rocky and gravelly hills west and south of Madi¬ son. Local. 3. A. cylindrical Gray. Long-fruited anemone. Occasional throughout the region. 4. A. Virginiana , L. Commoner than A. cylindrica. Of same range. 5. A. Pennsylvania , L. Common. 6. *A. nemorosa, L. Wood anemone. Wind-flower. On open-wooded hillsides. Not rare. Hepatica, Dill. Liver-leaf. Hepatica. 7. *11. triloba , Chaix. Occurring much more rarely than the following. In similar localities. 8. *j U. acutiloba, DC. This species, with H. triloba , is still found on the wooded north slopes about the lakes, but gradually disappearing as the locations are improved. Ranunculaceee. 53 Anemonella, Spach. 9. A. thalictroides , Spach. Rue-anemone. Wooded pasture south of Madison. Local. Thalictrum. Tourn. Meadow-rue. 10. T. dioicum , L. Early meadow-rue. Rich woods. Common. 11. T. purpurascens , L. Purplish meadow-rue. Dry uplands. Common. Ranunculus, L. Crowfoot. Buttercup. 12 R. aquatilis , L. var. trichop hyllus, Gray. Common in the shallower parts of the lakes and in sluggish streams. 13. R. multifidus, Pursh. Yellow water-crowfoot. Common throughout the region. 14. R. rhomboideus , Goldie. Thinly wooded uplands south of Madison. 15. R. abortivus , L. Small-flowered crowfoot. Common everywhere. 16. *i?. sceleratus, L. Cursed crowfoot. Common in wet land that has been cultivated or broken. 17. R. recurvatus, Poir. Hooked crowfoot. Of occasional occurrence throughout the region. 18. R. fctscicularis , Muhl. Early crowfoot. Common on dry hillsides. 19. R. septentrionalis , Poir. Distributed throughout regicn. Not abundant. 20. *R. repens , L. Same distribution as R. septentrionalis. Much rarer. 21. R. Pennsylvanicus , L. f. Bristly crowfoot. Common in low wet lands. ISOPYRUM, L. 22. I. biternatum , Torr. & Gray. Lakes Wabesa and Kegonsa. Local 54 Cheney and True — Flora of Madison and Vicinity. Caltha, L. Marsh marigold. 23. C. palustris, L. Common throughout the region. Aquilegia, Tourn. Columbine. 24. A. Canadensis , L. Wild columbine. On rocky bluffs around the lakes. Act^a, L. Baneberry. Cohosh. 25. *A. spicata , L., var. rubra , Ait. Red baneberry (A. rubra , Bigelow.) Throughout the region in rich woods. Menispermace^e. ' (Moonseed Family. ) Menispermum, L. Moonseed. 26. **Jf. Canadense, L. Not rare along shores of lakes. Berberidace^e. (Barberry Family.) Berberis, L. Barberry. 27. *B. vulgaris, L. North of Bake Wingra. Wingra Park. May be looked for elsewhere near dwellings. Escaped from cultivation. Caulophyllum, Michx. Blue cohosh. 28. *67. thalictroides, Michx. Papoose-root. Met with occasionally throughout the region. Podophyllum, L. May-apple. Mandrake. 29. **jP. peltatum, L. Common. Nymph^eace^s. (Water-lily Family. ) Brasenia, Schreber. Water-shield. 30. B. peltata , Pursh. Lake Wingra. Hook Lake. Local Sarraceniacece , Papaveracece , Fumariacece , Crucifer m. 55 [Nymph,® A, Tourn. Water-nymph. Water-lily. 31. W. reniformis , DC. ! This is our common white water-lily. Abundant in the shallow bays of all our lakes and in the streams emptying into them. Nuphar, Smith. Yellow pond-lily. Spatter-dock. 32. *W. advena , Ait. f. Common. Of same range as Nymphoea reniformis. Sarraceniace®. (Pitcher-plant Family.) :SarraCenia, Tourn. Side-saddle flower. 33. *S. purpurea , L. Pitcher-plant. Huntsman’s cup. Found occasionally in marsh land south of Lakes Monona and Wingra, and east of Lake Wabesa. Papaverace®. (Poppy Family. ) Sanguinaria, Dill. Blood-root. 34. **$. Canadensis , L. Found throughout the region. Rather local in its occurrence. Fumariace®. (Fumitory Family.) Dicentra, Borkh. Dutchman’s breeches. 35. D. Cucullaria , DC. Common. 36. *D. Canadensis , DC. Squirrel corn. Two specimens found by E. B. Copeland on Gov¬ ernor’s Island growing with D. cucullaria. Rare. Corydalis, Vent. 37. C. glauca , Pursh. Pale corydalis. Ridge northeast of Lake Wingra. Rare. Crucifer®. (Mustard Family. ) Dentaria, Tourn. Toothwort. Pepper-root. 38. *Z>. laciniata , Muhl. Common in rich woods throughout the region 56 Cheney and True — Flora of Madison and Vicinity .. Cardamine, Tourn. Bitter-cress. 39. C. rhomboidea , DC. Spring cress. Common in marshy pasture land. Arabis, L. Rock cress. 40. A. hirsuta , Scop. Rocky bluffs about the lakes. Not common.. 41. A. confnis, Watson. Dry hills. Local. 42. *A. lyrata, L. Growing on rocky or gravelly points. Local. 43. A. dentata , Torr. & Gray. Rich woodlands. Not abundant. Draba, Dill. Whitlow-grass. 44. D. Caroliniana, Watt. Growing on sandy ridges and slopes about the1 lakes. Local. Camelina, Crantz. False flax. 45. *C. sativa, Crantz. Found occasionally along railroad tracks. Not common. Introduced. Nasturtium, R. Br. Water-cress. 46. *N. officinale, R. Br. True water-cress. Common in all springs and spring branches in the region. 47. *W. palustre , DC. Marsh cress. Found with JV. officinale . Not common. 48. *N. Armoracia, Fries. Horseradish. ( Cochlearia Armor acia, L. ) Throughout the region. Becoming very abundant in some places. Escaped from cultivation. Barbarea, R. Br. Winter cress. 49. *B. vulgaris, R. Br. Common winter cress. Yellow rocket. Found growing near the Fuller and Johnson Plow Works in the eastern part of the city of Madison* Introduced. Crucifer ob , Capparidacece and Cistacem. 57 Brysimum, Tourn. Treacle mustard. 50. E. parviflorum , Nutt. „ Picnic Point, Madison. Rare. Sisymbrium, Tourn. Hedge mustard. 51. S. canescens, Nutt. Tansy mustard. Sandy shores of Lakes Monona, Wabesa and Win- gra. Rare. 52. *S. officinale, Scop. Hedge mustard. Common throughout the region. Brassica, Tourn. 53. *B. Sinapistrum, Boiss. Charlock. Throughout the region. Abundant. Commonly known here as “black mustard. ” 54. *B. nigra, Koch. Black mustard. Observed in two places in the city of Madison and west of the city near an old dwelling. To be looked for elsewhere. Introduced. Capsella, Medic. Shepherd’s purse. 55. *C. Bursa-pastoris, Moench. Everywhere as a weed. Lepidium, Tourn. Pepperwood. Peppergrass. 56. *L. Virginicum , L. Wild peppergrass. Common throughout the region. Capparidace^;. (Caper Family.) Pol anisia, Raf. 57. P. GRAVEOLENS, Raf. G-rowing occasionally along railroads. Rare. Introduced. Cistacem. (Rock-rose Family.) Helianthemum, Tourn. Rock-rose. 58. *H. Canadense , Michx. Frost-weed. Common in dry thickets and pasture land. 58 Cheney and True — Flora of Madison and Vicinity.. V iOLACEiE. (Violet Family.) Viola, Tourn. Violet. Heart’s-ease. 59. *V\ pedata) L. Birdfoot violet. Common throughout region on dry, rocky or grav¬ elly points. 60. V. pedatifida , G. Don. Distribution the same as that of V. pedata. Not so- common and on better soil. 61 V. palmata , L. Common blue violet. Same range as V. pedatifida. Not common. 62. *V. palmata, L., var. cucullatci , Gray. (F. cucullata Ait. ) Everywhere. The common violet of southern Wis¬ consin. 63. V. sagittata. Ait. Arrow-leaved violet. Dry wooded hills. Local. 64. V. blanda , Willd. Sweet white violet. Growing at the base of trees and clumps of shrubs in wet woodlands about the lakes. Local. 65. V. blanda , Willd., var. palustriformis , Gray. Found occasionally with V. blanda. Not common. 66. V. pubescens , Ait. Downy yellow violet. Common in rich woodlands throughout the region. 67. V. canina , L., var. Muhlenbergii, Gray. Dog violet. Edge of marsh south of Lake Wingra. Not ob¬ served elsewhere. Caryophyllace^e. (Pink Family. ) Saponaria, L. 68. *S. officinalis, L. Soapwort. Bouncing Bet. Escaped from cultivation. Common along road¬ sides near dwellings. Silene, L. Catchfly. Campion. 69. S. stellata , Ait. Starry campion. Found growing in a few places in rich woods near Caryophyllacece and Portulacacece. 59 70. S. antirr/una, L. Sleepy campion. Not uncommon in dry, sandy places. Local. 71. S. noctiflora, L. Night-flowering campion. Observed in three or four places in the city of Mad¬ ison. Not common. Lychnis, Tourn. Cockle. 72. L. G-ithago, Lam. Corn cockle. Widely distributed, though not abundant, in grain fields and along railroads. Arenaria, L. Sandwort. 73. A. serpyllifolia, L. Thyme-leaved sandwort. Abundant on sandy shore of Lake Monona east of Elmside addition, Madison ; also along west bank of Yahara river at Stoughton. 74. A. Michauxii , Hook. f. Dry rocky hills about Madison. 75. A. lateriflora , L Common. Stellaria, L. Chickweed. Starwort. 76. S. media, Smith. Common chickweed. Common. 77. S. crassifolia , Ehrh. Collected on north side of University bay. Lake Mendota. Cerastium, L. Mouse-ear chickweed. 78. C. viscosum, L. Mouse-ear chickweed. Collected on east shore of Lake. Mendota. Not com¬ mon. 79. C. VULGATUM, L. Larger mouse-ear chickweed. Common. PORTULACACEiE. (PURSLANE FAMILY.) Portijlaca, Tourn. Purslane. 80. P. oleracea, L. Common purslane. Common in cultivated grounds as a weed. Claytonia, G-ronov. Spring beauty. 81. C, Virginica , L. In rich woods. Local. 60 Cheney and True — Flora of Madison and Vicinity. Hypericacese. (St. John’s-wort Family.) Hypericum, Tourn. St. John’s- wort. 82. H. maculatum , Walt. Occurring occasionally in low grassy places. 83. IT. mutilum , L. 15 to 20 stamens! Common. Elodes, Adans. Marsh St. John’s-wort. 84. E. campanulata , Pursh. Not uncommon in the low lands about the lakes. Malvaceae. (Mallow Family.) Malva, L. Mallow. 85. *M. rotundifolia, L. Common mallow. Common along roadsides in waste places and culti¬ vated grounds. 86. *M. sylvestris, L. High mallow. Persisting occasionally after cultivation. Abutilon, Tourn. Indian mallow. 87. *A. Avicenna, G-aertn. Velvet-leaf. A weed in cultivated land. Not very abundant. Hibiscus, L. Rose mallow. 88. H. Trinonum, L. Bladder Ketmia. Occasionally escaping from cultivation. Tiliace^e. (Linden Family.) Tilia, Tourn. Linden. Basswood. 89. *T. Americana, L. Basswood. Not uncommon about the lakes and along the streams. Linace^e. (Flax Family.) Linum, Tourn. Flax. 90. L. sulcatum, Riddell. Collected on a rocky point at Burke. Rare. 91. **L. usitatissimum, L. Common flax. Common along railroads. Geraniacem , Rutacece , Ilicinece , Celastracece , Rhamnacece. 61 Geraniace.e. (Geranium Family. ) Geranium, Tourn. Cranesbill. 92 . **G. maculatum , L. Wild cranesbill. Common in all the woods and thickets of the re¬ gion. Oxalis, L. Wood-sorrel. 93. 0. tiiolacea , L. Violet wood-sorrel. Common on sandy or gravelly soil. 94. *0. corniculata, L. , var. strict a, Sav. Yellow wood- sorrel. ( 0. stricta , L. ) Growing everywhere. Impatiens, L. Balsam. Jewel-weed. 95. I. pallida , Nutt. Pale touch-me-not. Occasionally met with in rich woodlands. Rare. 96. I. fulva , Nutt. Spotted touch-me-not. Abundant about the lakes and in wet places. Rutacece. (Rue Family.) Xanthoxylum, L. Prickly ash. 97. **X. Americanum , Mill. Northern prickly ash. Tooth¬ ache tree. Found occasionally in dry woods. Ilicinece. (Holly Family. ) Ilex, L. Holly. 98. **I. verticillata , Gray. Black alder. Winterberry. Along the borders of marshes and ponds. Local. Celastracece. (Staff-tree Family. ) Celastrus, L. Staff-tree. Shrubby bitter-sweet. 99. *C. scandens , L. Wax- work. Climbing bitter-sweet. Ridge northeast of Lake Wingra. In woods along south shore of Lake Mendota. Rare. Rhamnacece. (Buckthorn Family. ) Ceanothus, L. New Jersey tea. Red-root. 100. *C. Americanus , L. New Jersey tea. Throughout the region on the high land. 7 - A. & L. 62 Cheney and True — Flora of Madison arid Vicinity . Vitace^e. (Vine Family. ) Vitis, Tourn. Grape. 101. *V. riparia , Michx. Common in all thickets and along water courses in. woods. Ampelopsis, Michx. Virginian creeper. 102. *A. quinquefolia) Michx. Not uncommon. Having same distribution as Vitis riparia and growing with it. Sapindace^e. (Soapberry Family. ) iEscuLUS, L. Horse-chestnut. Buckeye. 103. *A. Hippocastanum, L. Common horse-chestnut. Growing in lawns as an ornamental tree in Madison. Acer, Tourn. Maple. 104. A. saccharinum , Wang. Sugar or rock maple. In some localities forming a large element of the woods. In others of rather rare occurrence. 105. A. dasycarpum , Ehrh. White or silver maple. The soft maple commonly used in this region as a shade or ornamental tree. 106. A. rubrum , L. Red or swamp maple. Occasionally used as an ornamental tree. In the low wet woodlands about the lakes. 107. A. platanoides, L. Norway maple. An ornamental tree on University campus and in Capitol park. Negundo, Moench. Ash-leaved maple. Box-elder. 108. N. aceroides , Moench. Often planted along Madison streets. Occasionally wild in the woods about the lakes. Staphylea, L. Bladder-nut. 109. S. trifolia , L. American bladder-nut. University campus near pump house. Rare. Anacardiacece , Polygalaceae, Leguminosw. 63 Anacardiace^e. (Cashew Family. ) Rhus, L. Sumach. 110. *R. typhina , L. Staghorn sumach. Common. 111. **i?. glabra , L. Smooth sumach. Common. 112. **R. Toxicodendron , L. Poison ivy. Poison oak. Not uncommon in thickets. Often confused with Ampelopsis quinquefolia ; from which, however, it may readily be distinguished by the number and form of its leaflets. In R. Toxicodendron the leaf is composed of three unsymmetrical leaflets, while in A. quinquefolia there are five symmetrical ones. POLYGALACEiE. (MlLKWORT FAMILY.) Polygala, Tourn. Milkwort. 113. **P. Senega, L. Seneca snake-root. On dry hillsides. Not common. 114. *P. sanguinea, L. Common in low cultivated land. 115. P. verticillata , L. Common on dry points. Leguminos^e. (Pulse Family. ) Baptisia, Vent. False indigo. 116. B. leucantha , Torr. & Gray. On gravelly hills south of Madison. Not uncom¬ mon. Lupinus, Tourn. Lupine. 117. *L. perennis , L. Wild lupine. Common. Trifolium, Tourn. Clover. Trefoil. 118. T. prAtense, L. Red clover. Largely cultivated. Escaped to roadsides and waste places. J l9. T. repens , L. White clover. Common everywhere. 64 Cheney and True — Flora of Madison and Vicinity . 120. T. hybridum, L. Alsike clover. Not rare with T. repens . Becoming more abun¬ dant. 121. T. procumbens, L. Low hop clover. Observed in a few places about Madison. Doubt less introduced with other clovers. ;Melilotus, Tourn. Melilot. Sweet clover. 422. *M. officinalis, Willd. Yellow melilot. Occurring occasionally with M. alba. 123. *M. alba, Lam. White melilot. Common along roadsides and in waste grounds. Medicago, Tourn. Medick. 124. *M. sativa, L. Lucerne. Alfalfa. Escaped from cultivation and becoming established in a few places about Madison. 125. M. luplina, L. Black medick. Observed near the University and in two places northeast of Madison along the Portage line of the C. M. & St. P. R. R. Amorpha, L. False Indigo. 126. A. canescens, Nutt. Lead-plant. Throughout the region in dry soil. Petalostemon, Michx. Prairie clover. 127. P. violaceus , Michx. Violet prairie clover. Common on rocky points and along railroads. 1 28. P. candidus , Michx. White prairie clover. With P. violaceus , but not so common. Robinia, L. Locust tree. 129. *R. Pseudacacia, L. Common locust-tree or false acacia. Common in cultivation as an ornamental tree. Per¬ sisting in many places about old dwellings. Astragalus, Tourn. Milk vetch. 130. A. Canadensis , L. Growing beside the road west of Madison. Rare. Leguminosce. 65 Desmodium, Desv. Tick-trefoil. 131. D. acuminatum , DC. In rich open woods. Common. 132. D. canescens , DC. Common along railroads and in thickets. 133. D. Canadense , DC. With D. canescens. Lespedeza, Michx. Bush clover. 134. L. capitata , Michx. On dry soil. Not uncommon. Vicia, Tourn. Vetch. Tare. 135. V. sativa, L. Common vetch or tare. Along railroads and in thickets. Not abundant. 136. V. Caroliniana , Walt. Low rich thickets. Common. 137. V. Americana , Muhl. Moist ground. Lathyrus,' Tourn. Vetchling. Everlasting pea. 138. L. ochroleucus , Hook. Hillsides. Not uncommon. 139. L. venosus , Muhl. Along railroads and in thickets; very abundant sometimes covering the ground so completely as to keep out all other vegetation. 140. L. palustris, L. Everywhere in wet meadow land. 141. L. palustris , L. , var. myrtifolius , Gray. With L. palustris , but much rarer. Apios, Boerhaave. Ground-nut. Wild bean. 142. A. tuberosa , Moench. Observed at half a dozen places near Madison at the margin of pond or lake. Local. Amphicarp^ea, Ell. Hog pea-nut. 143. A. monoica , Nutt. Common in all the woodlands of the region 66 Cheney and True — Flora of Madison and Vicinity. 144. A. Pitcheri , Torr. & Gray. With A. monoica and almost as common. Gymnocladus, Lam. Kentucky coffee-tree. 145. G. Canadensis , Lam. Two trees growing near shore of Lake Monona at Winnequah. Rare. Gleditschia, L. Honey-locust. 146. G. triacanthos , L. Three-thorned acacia. Honey lo¬ cust. Beside the road south of Lake Monona. Beside the road near Hook Lake, and in a lawn at the west end of Lake Wingra. Rare. Rosacea. (Rose Family.) Frunus, Tourn. Plum, cherry, etc. 147. j P. Americana , Marshall. Wild yellow or red plum. Common. 148. P. pumila , L. Dwarf cherry. Sand cherry. High rocky point near head of Pheasant Branch. Similar place west of Madison. Rare. 149. P. Pennsylvania , L. f. Wild red cherry. West shore of Lake Kegonsa. Rare. L50.**P. Virginiana , L. Choke cherry. Common about the lakes. 151**jP. serotina , Ehrh. Wild black cherry. Occasionally met with in all rich woods through¬ out the region. Spiraea, L. Meadow-sweet. 152. S. salicifolia , L. Common meadow-sweet. Low wet meadows and marshes ; rather scarce. 153. *S. tomentosa , L. Hardhack. Steeplebush. Hook Lake. Rare. Rubus, Tourn. Bramble. 154. R. triflorus, Richardson. Dwarf raspberry. In low wet grove south of Madison near Lake Wingra. Not common. Rosacce. 67 155. *R. strigosus, Michx. Wild red raspberry. Common in waste places. 156. *R. occidentalism L. Black raspberry. Thimbleberry. Along roadsides and old fences. 157. **R. villosus , Ait. Common or high blackberry. Common everywhere. 158. **R. Canadensis , L. Low blackberry. Dewberry. With R. villosus. Less common. % Geum, L. Avens. 159. G. album , G-melin. In open woods. Not common. 160. G. strictum , Ait. Moist meadows. Not uncommon. Fragaria, Tourn. Strawberry. 161. F. Virginiana , Mill. Common and abundant everywhere. 162. F. Virginiana , Mill., var. Rlinoensis , Gray. With the species. Less common. 163. F. vesca , L. Dry rocky slopes. Not rare, though less abundant than F. Virginiana. Potentilla, Cinque-foil. Five-finger. 164. P. arguta , Pursh. Throughout the region on dry soil. 165. P. Norvegica , L. Same distribution as A. arguta , in similar places, and much more abundant. 166. *jP. argentea , L. Silvery cinque-foil. Along shore of Lake Mendota east of Eagle’s Nest. Rare. 167. *P. palustris, Scop.. Marsh five-finger. In the marshes about the lakes. Not very abun¬ dant and rarely flowering here. 168. *P. Canadensis , L. Common cinque-foil or five-finger. Common in dry soil throughout region. 68 Cheney and True — Flora of Madison and Vicinity . Agrimonia, Tourn. Agrimony. 169. *A. Eupatoria , L. Common agrimony. Common in all woodlands. Rosa, Tourn. Rose. 170. R. blanda , Ait. Along railroads and on rocky places. Common. Pyrus, L. Pear. Apple. 171. P. coronaria , L. American crab-apple. Distributed throughout the region. 172. P. arbutifolia , L. f. , var. melanocarpa , Hook. Hook Lake. Rare. 173. *P. Americana, DC. American mountain-ash. Introduced from northern part of state in many places as an ornamental tree. Crataegus, L. Hawthorn. White thorn. 174. C. tomentosa, L. Throughout the region. Not so common as the fol¬ lowing species. 175. C. coccinea , L. Common throughout the region. Amelanchier, Medic. June berry. 176. A. Canadensis , Torr. & G-ray. Shad-bush. Service- berry. West shore of Lake Kegonsa. Not common. 177. A. Canadensis , Torr. & G-ray, var. oblongifolia , Torr. & Gray. Common in low moist grounds. Saxifragaceal (Saxifrage Family. ) Saxifraga, L. Saxifrage. 178. S. Pennsylvania, L. Swamp saxifrage. Everywhere in wet meadow lands and marshes* Mitella, Tourn. Mitre-wort. Bishop’s-cap. 179. M. nuda, L. In small tamarack swamp near Windsor. Rare. Saxifragacece , Crassulctcece, Hciloragece. 69 Heuchera, L. Alum-root. 180. H. hispida , Pursh. Not rare about the lakes. Parnassia, Tourn. Grass of Parnassus. 181. P. Caroliniana , Michx. Wet meadows. Common. Ribes, L. Currant. Gooseberry. 182. R. Cgnosbati, L. In open woodlands and pastures. Very common 183. R. gracile , Michx. Missouri gooseberry. Having distribution of R. Cgnosbati. Common. 184. R. floridum , L’Her. Wild black currant. In rich open woods. Not common. 185. R. rubrum , L. , var. subglandulosum , Maxim. Red cur¬ rant. Near Madison in two or three places. Not common. Crassulaceje. (Orpine Family.) Penthorum, Gronov. Ditch stone-crop. 186. P. sedoides , L. Common in wet places. Sedum, Tourn. Stone-crop. Orpine. 187. *S. Telephinum, L. Garden orpine. Live-forever. Escaped from cultivation and persisting about old dwellings. Halorage^e. (Water-milfoil Family.) Myriophyllum, Vaill. Water-milfoil. 188. M. spicatum , L. Common in all the lakes. Proserpinaca, L. Mermaid-weed. 189. P. palustris , L. Low lands west of Lake Wabesa. Local. Hippuris, L. Mare’s tail. 190. H. vulgaris , L. In springs south of Lake Wingra. Rare 70 Cheney and True — Flora, of Madison and Vicinity. Callitriche, L. Water star- wort. 191. *61 verna , L. Low land east of Lake Monona. Local. Lythrace^e. (Loosestrife Family. ) Lythrum, L. Loosestrife. 192. L. alatmn , Pursh. Not infrequent in wet meadows about the lakes. Decodon, G-mel. Swamp loosestrife. 193. D. verticillatus, Ell. Occurring occasionally about the margins of the lakes. Rare. Onagrace^. (Evening-primrose Family.) Ludwigia, L. False loosestrife. 194. L. polycarpa , Short & Peter. Growing in low wet places and at margins of ponds. Not rare. 195. L. palustris , Ell. Water purslane. In places similar to those in which L. polycarpa are found. Less common. Epilobium, L. Willow-herb. 196. *E. angustifolium , L. Great willow-herb. Fire- weed. A few plants found beside railroad south of Madi¬ son. West of Lake Wingra. Rare. 197. E. linear e, Muhl. Low lands about the lakes. 198. E. color atum, Muhl. Common in low lands. 199. E. adenocaulon , Haussk. Common in low lands in 5th ward, Madison. 200. E. Hornemanni , Reichenb. Wet sandstone faces near Black Hawk’s cave, Lake Mendota. Dr. Stanley Coulter kindly verified this determination. Cucurbitacece , Ficoidece, Umbeleiferce. 71 CEnothera, L. Evening primrose. 201. *(E. biennis , L. Common evening primrose. Common. 202. (E. pumila , L. Occasionally found in low land. Rare. Circle a, Tourn. Enchanter’s nightshade. 203. C. Lutetiana , L. Common in rich woods. Cucurbit ace as. (Gourd Family.) Sicyos, L. One-seeded bur-cucumber. 204. S. angulatus , L. Growing about the lakes. Not rare. Ficoidece. M#llugo, L. Indian chickweed. .205. M. yerticillata, L. Carpet-weed. Sandy places. Not common. Umbellifer^e. (Parsley Family.) JPastinaca, L. Parsnip. 206. P. sativa, L. Escaped from cultivation and maintaining itself everywhere as a weed. POLYTAENIA, DC. 207. P. JVuttallii, DC. Dry hillsides. Rare. PlMPINELLA, L. 208. P. integerrima , Benth & Hook. Dry sandy soil. Widely distributed. Cryptotasnia, DC. Honewort. 209. C. Canadensis , DC. Rich woods. Rather common. :Sium, Tourn. Water parsnip. 210. *S. circutcefolium , Gmelin. (S. lineare, Michx. ) Common in marshy land. 72 Cheney and True — Flora of Madison and Vicinity . Cicuta, L. Water hemlock. 211. *<7. maculata, L. Spotted cowbane. Musquash root.. Beaver-poison. About the lakes and along streams. Occasional. A deadly poison ; the “wild parsnip” of most cases, of poisoning. 212. C. bulb if era, L. In wet meadow land and marshes, abundant. Osmorrhiza, Raf. Sweet cicely. 213. 0. brevistylis , DC. In rich woods. Not common. 214. 0. longistylis , DC. Having same distribution as 0. brevistylis. Eryngium, Tourn. Eryngo. 215. *E. yucccefolium , Michx. Rattlesnake-master. Button snake root. • On dry hills along railroads. Not common. Sanicula, Tourn. Sanicle. Black snakeroot. 216. *JS. Marylandica , L. Open woods. Common. Araliace^:. (Ginseng Family.) Aralia, Tourn. Ginseng. Wild sarsaparilla. 217. *A. racemosa, L. Spikenard. In rich woods. Widely distributed. 218. *A. nudicaulis , L. Wild sarsaparilla. Rich woodlands. Not rare. 219. *A. quinquefolia , Decsne & Planch. Ginseng. Occasional in rich woods. Becoming rather rare.. CoRNACEiE. (Dogwood Family.) Cornus, Tourn. Cornel. Dogwood. 220. C. Canadensis , L. Dwarf cornel. Bunch berry. Found east of Lake Monona about one mile. Rare. 221. *C. sericea , L. Silky cornel. Kinnikinnik. Growing along watercourses and at the margins of' ponds. Not common. Cornacece , Caprifoliacece. 222. (7. stolonifera , Michx. Red-osier dogwood. Having same distribution as (7. sericea. Common. 223. (7. paniculata, L’Her. Panicled cornel. On upland in open woods and thickets. 224. C. altemifolia , L. f. Observed in Fuller’s woods east of Madison. Rare. GAMOPETAL2E. Caprifoliaceoe. (Honeysuckle Family.) Sambucus, Tourn. Elder. 225. **$. Canadensis , L. Common elder. Everywhere. Common. Viburnum, L. Arrow-wood. Laurestinus. 226. *F. Opulus , L. Cranberry-tree. Low wet thickets. Not rare. 227. V. dentatum , L. Arrow- wood. Rocky woodlands. Rather local. 228. V. Lentago , L. Sweet viburnum. Sheep-berry. Woods throughout the region. Not common. 229. **F. prunifolium , L. Black haw. Common along streams and at the margins of ponds and marshes. Triosteum, L. Feverwort. Horse-gentian. 230. *T. perfoliatum , L. Rich woodlands. Widely distributed. Linn^a, Gronov. Twin-flower. 231. L. borealis , Gronov. One mile north of Mendota. Rare. Symphoricarpos, Dill. Snowberry. 232. S. vulgaris, Michx. Indian currant. Coral-berry. Occasionally escaped from cultivation.' Xonicera, L. Honeysuckle. Woodbine. 233. L. glauca, Hill. Rich woodlands. Not uncommon. 74 Cheney and True— Flora of Madison and Vicinity . Diervilla, Tourn. Bush-honeysuckle. 234. D. trifida , Moench. Rocky places. Rare. Rubiace^e. (Madder Family.) Houstonia, L. 235. H. ccerulea , L. Bluets. South of Lake Kegonsa. Reported from Madison by Hale in 1859, in University of Wisconsin Herb¬ arium. Cephalanthus, L. Button-bush. 236. *C. occidentalism L. Low wet woods and thickets. Local. Mitchella, L. Partridge-berry. 237. *'M, repens , L. One mile east of Lake Monona. Rare. Galium, L. Bedstraw. Cleavers. 238. *G. Aparine , L. Cleavers. Goose-grass. Common. 239. *6r. circcezans , Michx. Wild liquorice. Occasional in rich woods. 240. G. trifidum , L. , var. latifolium , Torr. Small bedstraw. In rich woods. Not rare. 241. *G. tri forum, Michx. Sweet-scented bedstraw. With G. trifidum. Common. V ALERIANACEiE. (VALERIAN FAMILY.) Valeriana. Tourn. Valerian. 242. V. edulis , Nutt. In moist meadow lands bordering lakes and water¬ courses. Composite. (Composite Family.) Vernonia, Schreb. Iron-weed. 243. V. fasciculata , Michx. Low places in pastures and along streams. Not. common. Composite®. 75- Eupatorium, Tourn. Thoroughwort. 244. *E. purpureum , L. Joe-pye weed. . Trumpet weed. Common throughout the region. 245. **E. perfoliatum , L. Thoroughwort. Boneset. Dry soil in open places. Not abundant. 246. E. ageratoides , L. White snake-root. Very common in open woods and copses. Kuhnia, L. 247. K. eupatorioides , L. Dry hills about Madison. Rather local. Liatris, Schreb. Button snakeroot. Blazing-star. 248. L. cylindracea , Michx. Rocky points west of Madison. Local. 249. L. scariosa , Willd. Along railroads and on dry wild land ; everywhere.. Solidago, L. Golden-rod. 250. S. latifolia , L. Woods and copses. Very common. 251. S. stricta , Ait. Not uncommon in low moist places. 252. S. speciosa, Nutt. Growing in rich copses. Rather common. 253. S. ulmifolia , Muhl. Borders of open woods. Very common in some lo calities. 254. S. Missouriensis, Nutt. Not rare in all dry open land. 255. S. serotina, Ait. Common throughout the region; passing by all grades of variation into the next. 256. S. serotina , Ait. var. gigantea , Gray. With the species. No less common. 257. S. Canadensis , L. Very common everywhere. 258. S. nemoralis , Ait. On rocky and gravelly soil. Common. 76 Cheney and True — Flora of Madison and Vicinity. 259. S. rigida , L. Growing on dry hills. Rather local. 260. S. Eiddellii, Frank. Low moist places. Not common. 261. S. lanceolata , L. Moist grassy copses, and along fences in similar places. Not abundant. Bellis, Tourn. Daisy. 262. B. integrifolia) Michx. Western daisy. (The right of this species to a place in the present list is doubtful. In 1890 it was reported as occurring here, but no specimens of it have been preserved and it has not been observed since. ) Aster, L. Starwort. Aster! 263. A. Novce-Anglice) L. Low wet pastures. Very common. 264 A. sericeus, Vent. Growing on dry rocky points about Madison. Local. 265. A. azureus , Linde. On sandy or gravelly soil. Not common. 266. A. sagittifolius, Willd. Dry grounds throughout the region. Common. 267. A. turbinellus , Lindl. Common on dry soil. 268. A. Icevis , L. Dry gravelly or sandy places. Not common. 269. A. multiflorus, Ait. Not uncommon in dry soil along fences and in copses. 270. A. diffusus , Ait., var. hirsuticaidis , Gray. Everywhere common in fields and thickets. 271. A. Tradescanti , L. Low grounds. Not rare. 272. A. paniculatus , Lam. Common in low lands. 273. A. longifolius, Lam. (of Gray’s Man., 6th ed.) Growing in rich low lands. Rather common. Composite B. 77 274. A. Novi-Belgii , L. Occurring occasionally throughout the region. 275. A. puniceus , L. Low thickets and swamps. Very abundant. 276. A. umbellatus , Mill. Low moist thickets. Not rare. 277. A. linariifolius , L. Sandy hillsides west of Madison. Rare. 278. A. ptarmicoides , Torr. & G-ray. Dry hills about Madison. Rather local. Erigeron, L. Fleabane. 279. *E. Canadensis , L. Horse- weed. Butter- weed. (E. Canadense , L.) Very common in open woodlands and cultivated fields. 280. *E. annuus , Pers. Daisy fleabane. Sweet scabious. A very common weed in meadows. Popularly known in many places as ‘ ‘white top. ” 281. *E. strigosus , Muhl. Daisy fleabane. Common everywhere. 282. E. bellidifolius , Muhl. Robin’s plantain. Dry soil in open woods and brush land. 283. *A. Philadelphicus , common fleabane. Rather common in moist places. Antennaria, G-sertn. Everlasting. 284. *A planta.ginifolia , Hook. Plantain-leaved everlasting. On dry soil everywhere. Common. Anaphalis, DC. Everlasting. 285. *M. margaritacea , Benth. & Hook. Pearly everlasting. ( Gnaphalium margaritaceum , L.) Dry sandy soil in a few places about Madison, Local. Inula, L. Elecampane. 286. **I. Helenium, L. Roadside about four miles west of Madison on Min¬ eral Point road. 8 -A. & L. 78 Cheney and True — Flora of Madison and Vicinity . Polymnia, L. Leaf-cup. 287. P. Canadensis , L. Growing in low wet woods about Lakes Wingra and Monona. Not common. Silphium, L. Rosin-weed. 288. *S. laciniatum , L. Rosin-weed. Compass-plant. Growing along railroads and on little spots of wild land in fields. Not rare. 289. *S. terebinthinaceum , L. Prairie dock. With S. laciniatum. 290. S. integrifolium , Michx. Throughout the region in dry open places. Com¬ mon. 291. S. perfoliatum , L. Cup-plant. Growing in moist places. Not common. Ambrosia, Tourn. Ragweed. 292. *A. trifida , L. Great ragweed. Low places, especially banks of streams. Common. 293. *A. artemisicefolia , L. Roman wormwood. Hog-weed. Bitter-weed. This is perhaps our commonest weed, growing in all soils under all sorts of conditions. Xanthium, Tourn. Cocklebur. Clotbur. 294. X. Canadense , Mill. (X. strum arium, L. ) Cultivated lands everywhere. In many places a very troublesome weed. Not especially abundant in this region. Heliopsis, Pers. 295. //. Icevis , Pers. Rather common everywhere. Rudbeckia, L. Cone-flower. 296. R. ladniata , L. Low thickets and borders of woods. Not common. . 297. R . hirta , L. Growing on dry soil everywhere. Compositor. 79 Lepachys, Raf. 298. L. pinnata , Torr. & Gray, Growing in dry soil, borders of woods and thickets. Common. Helianthus, L. Sunflower. 299. *H. annuus , L. Persisting occasionally after cultivation. Very common in cultivation. 300. //. rigidus , Desf. Common in dry rocky woods and thickets. 30*1. H. occidentalism Riddell. Dry open lands throughout the region. 302. II. grosse-serratus , Martens. Not uncommon on dry rich soil. 303. H. strumosus , L. Low copses. Not rare. 304. H. decapetalus , L. Not rare in borders of thickets and in low land along streams. Coreopsis, L. Tickseed. 305. C. palmata , Nutt. In dry soil throughout the region. Rather com¬ mon. 306. C. trichosperma , Michx. Tickseed sunflower. Not rare in the marsh land south of Madison. Bidens, L. Bur-marigold. 307. B. frondosa , L. Common beggar-ticks. Stick-tight . Common. 308. B. connata , Muhl. Swamp beggar-ticks. Common in low lands. 309. B. clirysanthemoides , Michx. Large bur-marigold. Abundant in swampy grounds about Madison. Anthemis, L. Chamomile. 310. *A. Cotula, DC. May-weed. Very common in waste places and along roadsides. Achillea, L. Yarrow. 311. *A. Millefolium , L. Common yarrow or milfoil. Of common occurrence throughout the region. 80 Cheney and True — Flora of Madison and Vicinity. Chrysanthemum, To urn. Ox-eye daisy. 312. C. Leucanthemum, L. Ox-eye or white daisy. White- weed. Very abundant in a pasture four miles west of Madison. Occurring in many other places in small numbers. Not common. Tanacetum, L. Tansy. 313 **T. vulgare, L. Common tansy. Persisting in many places after cultivation. • Artemisia, L. Wormwood. 314. A. candata, Michx. Common in dry soil throughout the region. 315. *A. Ludoviciana, Nutt. Western mugwort. Growing on dry sandy points about Madison. Rather local. 316. A. biennis , Willd. In gravelly places. Not common. Senecio, Tourn. Groundsel. 317. *S. aureus , L. Golden ragwort. Squaw- weed. Common everywhere. Cacalia, L. Indian plantain. 318. C. atriplicifolia , L. Pale Indian plantain. This species was observed growing as the crossing of the C. M. & St. P. R. R. and the C. & N. W. R. R. east of Elmside, Madison. Rare. Erechtites, Raf. Fireweed. 319. E. hieracifolia , Raf. Fireweed. Growing in the marshes about the lakes and on ground newly cleared and burned over. Not rare. Arcticum, L. Burdock. 320. **A. Lappa, L. A common weed about dwellings, old buildings and in waste places. Composite. 81 Cnicus, Tourn. Common or plumed thistle. 321. C. lanceolatus, Hoffm. Common thistle. Very common throughout the region. 322. C. altissimus , Willd. Rocky open woods. Common. 323. C. altissimus , Willd., var. discolor , Gray. Growing with the species. 324. C. muticus , Pursh. Swamp thistle. Low wet meadows and pastures. Common. 325. C. pumilus , Torr. Pasture thistle. Growing in dry pastures. Along C. M. & St. P. R. R. west of Madison. Not common. 326. C. arvensis, Hoffm. Canada thistle. Roadsides in Madison, 5th ward, Mills street at crossing of C. M. & St. P. R. R. , north of C. M. & St. P.' depot. Pasture west of old Camp Randall. Chicorium, Touru. Succory or chicory. 327. *C. Intybus, L. In Madison, roadsides along University avenue and other streets. Fairground. Spreading rapidly as a weed along roads. Tragopogon, L. Goat’s-beard. 328. T. PORRiFOLius, L. Salsify. Oyster-plant. Escaped. Growing along I. C. R. R. west of Mad¬ ison. 329. T. pratensis, L. Goat’s-beard. Observed in two or three places along railroads. Not common. Hieracium, Tourn. Hawkweed. 330. //. Canadense , Michx. Dry woods throughout the region. Common. 331. H. venosum , L. Rattlesnake-weed. Common everywhere. Prenanthes, Vaill. Rattlesnake-root. 332. P. racemosa , Michx. Growing in rich open woods. Not rare. 333. *P. alba , L. White lettuce. Rattlesnake-root. Borders of woods and thickets. Common. 82 Cheney and True — Flora, of Madison and Vicinity. Troximon, Nutt. 334. T. cuspidatum , Pursh. A few specimens collected at old stone quarry north of C. M. & St. P. R. R. west of -Madison. Rare. Taraxacum, Haller. Dandelion. 335. **T. officinale, Weber. Common dandelion. Everywhere as a persistent weed. Lactuca, Tourn. Lettuce. 336. *L. Scariola, L. Prickly lettuce. Common in waste places as a weed. Spreading very rapidly along railroads. 337. L. Canadensis, L. Wild lettuce. Common throughout the region. 338. L. Floridana , Gaertn. Growing in rich soil and newly cleared land. Not rare. Sonchus, L. Sow-thistle. 339. S. oleraceus, L. Common sow-thistle. Very common along railroads and in waste grounds. 340. S. asper, Vill. Spiny leaved sow-thistle. Growing with the preceding. Less common. 341. S. arvensis, L. Field sow-thistle. A single specimen of this species collected in 1890 on the University of Wisconsin farm. Not ob¬ served since. * Lobeliace^e. (Lobelia Family.) Lobelia, L. 342. *L. syphilitica, L. Great lobelia. Common in low moist places. 343. **L. inflata, L. Indian tobacco. In dry soil. Rather rare. 344. L. spicata, Lam. Growing in dry grassy places. Not common. 345. L. Kalmii , L. Growing in the marsh land about the lakes. Com¬ mon. Campanulaceoe and Ericaceae. 83 Campanulaceoe. (Campanula Family.) Specularia, Heister. Venus’s looking-glass. 346. S. perfoliatum , A. DC. Sterile, open grounds. Not common. Campanula, Tourn. Bellflower. 347. C. rotundifolia , L. Harebell. G-rowing in1 sandy soil. Not common. 348. C. aparinoides , Pursh. Marsh bellflower. Common in the marsh land about the lakes, 349. C. Americana , L. Tall bellflower. Low rich woods. Not common. Ericaceae. (Heath Family. ) Vaccinium, L. Blueberry. Bilberry. Cranberry. 350. V. Pennsylvanicum , Lam. Dwarf blueberry. A few specimens collected at Hook Lake. 351. V. corymbosum , L. Growing with the preceding. Much more abun¬ dant. Cassandra, Don. Leather-leaf. 352. C. ccdyculata , Don. Growing at Hook Lake. Peat bog in Section 36, town of Madison. Chimaphila, Pursh. Pipsissewa. 353. ** C. umbellata , Nutt. Prince’s pine. Pipsissewa. In woods west of Madison. Local. Pyrola, Tourn. Wintergreen. Shin-leaf. 354. P. secunda, , L. Growing on wooded hillside near I. C. R. R. west of Madison. Rare. 355. *jP. elliptica, Nutt. Shin-leaf. Throughout the region in rich woods. Monotropa, L. Indian pipe. Pine-sap. 356. M. uniflora , L. Indian-pipe. Corpse-plant. Rich woods. Widely distributed. Not common. 84 Cheney and True — Flora of Madison and Vicinity. Primulace^e. (Primrose Family. ) Dodecatheon, L. American cowslip. 357. D. Meadia , L. Shooting-star. Common throughout region. Trientalis, L. Chick weed- winter green. 358. T. Americana , Pursh. Star-flower. A few plants found in tamarack swamp near Wind' sor. Not observed elsewhere. Steironema, Raf. 359. JS. cilicUum, Raf. Rich woods and thickets. Very common. 360. S. lanceolatum , Gray. In woods west of old Camp Randall, Madison. Rare. 361. S. lonyifolium, Gray. Common in wet meadows. Lysimachia, Tourn. Loosestrife. 362. *L. quctdrifolia , L. In dry rocky land. Not common. 363. L. tkrysiflora , L. Tufted loosestrife. Common about the margins of the lakes. Oleace^e. (Olive Family.) Fraxinus, Tourn. Ash. 364. *F. Americana , L. White ash. A common tree in all the woods of the region. 365. F. sambucifolia , Lam. Black ash. In low wet woods. Rather local. Apocynace^e. (Dogbane Family.) Apocynum, Tourn. Dogbane. Indian hemp. 366. androscemifolium , L. Spreading dogbane. Borders of thickets and open woods. Common. 367. **M. cannabinum, . L. Indian hemp. In moist places. Less common than the preceding. Asclepiadacece and Gentiahabeoe. 85 Asclepiadacece. (Milkweed Family.) Asclepias, L. Milkweed. Silkweed. 368. **A. tuherosa , L. Buutterfly-weed. Pleurisy-root. Dry open woods. Common. 369. A. purpurascens , L. Purple milkweed. Abundant in low meadows and pastures. 370. *A. incarnata, L. , var. pulchra , Pers. Swamp milk¬ weed. Not uncommon in low land. 371. *A. Cornuti , Decaisne. Common milkweed or silkweed . Common everywhere. 372. A. obtusifolia , Michx. Along C. M. & St. P. R. R. west of Madison. Not common. 373. A. phytolaccoides , Pursh. Poke milkweed. Occurring occasionally along railroads. 374. A. ovalifolia , Decaisne. Dry places west of Madison. Local. 375. A. verticillata, L. A few specimens collected along C. & N. W. R. R. south of Madison. Rare. Acerates, Ell. G-reen milkweed. 376. A. longifolia , Ell. Sandy knoll northeast of Mendota. Along railroad west of Madison. Local. 377. A. viridiflora , Ell. In sandy places. Not common. 378. A. lanuginosa , Decaisne. Lawn near Washburn Observatory, University of Wisconsin. Dry hill west of Madison. Rare. Gentian ace^:. (Gentian Family. ) Gentiana, Tourn. Gentian. 379. G. crinita , Froel. Not rare in low wet meadows. 86 Cheney and True — Flora op Madison and Vicinity. 380. G. serrata , Gunner. There is some doubt as to the affinities of the plants referred to this species. Specimens exam¬ ined exhibited all grades of variation in the shape of leaf from linear to lanceolate. All, however, had petals with “fringe shorter or almost obso¬ lete at the summit, ” and all had the ovary lanceo¬ late. Specimens agreed with herbarium specimens of G. serrata ( detonsa ), which are supposed to be authentic. in marsh on road to Fish Hatchery from Madison. 381. G. quinqtie flora, Lam. Dry hillsides. Not common. 382. *G. puberula , Michx. On sandy hills west of Madison. Local. 383. *G. Andrewsii , Griseb. Closed gentian. Common in low wild meadows. 384. G. alba , Muhl. •Low sandy soil. Rare. Menyanthes, Tourn. Buckbean. 385. *M. trifoliata , L. Occurring occasionally in marsh land about the lakes. Local. ’ POLEMONIACEiE. (POLEMONIUM FAMILY.) Phlox, L. 386. P. PANICULATA, L. Madison. Escaped from cultivation. 387. P. pilosa , L. Not rare in dry rich land. 388. P. divaricata , L. Common. Polemonium, Tourn. Greek valerian. 389. P. reptans, L. Merrill Springs. Woods northeast of Mendota Rare. Hydrophyllaceoe and Borraginaceoe. 7 Hydrophyllaceoe. (Waterleaf Family.) Hydrophyllum, Tourn. Waterleaf. 390. H. Virginicum , L. Rich woods. Common. 391. H. appendiculatum , Michx. Near slaughter house northeast of Madison. At Winnequah. Ellisia, L. ,392. E. Nyctelea , L. At mill on Yahara river. Along C. M. & St. P. R. R. west of Madison. Rare. Borraginaceoe. (Borage Family.) Cynoglossum, Tourn. Hound’s-tongue. 393. *C. officinale, L. Common hound ’ s-tongue. Along the I. C. R. R. in the city of Madison. Not common. Echinospermum, Lehm. Stickseed. 394. E. Virginicum , Lehm. Beggar’s lice. Common in rich woods. 395. E. Lappula, Lehm. Throughout the region. Not common. Mertensia, Roth. Lungwort. 396. *M. Virginica, DC. Virginian cowslip. Lungwort. Blue bells. In garden in east Madison. Not observed in the wild state, though not uncommon along the Rock and Pecatonica rivers somewhat south. Lithospermum, Tourn. Gromwell. Puccoon. 397. L. hirtum , Lehm. Rather common in dry places. 398. L. angustifolium , Michx. On high sandy points about Madison. Not com¬ mon. 88 Cheney and True — Flora of Madison and Vicinity. Symphytum, Tourn. Comfrey. 399. *S. officinale, L. Common comfrey. Persisting about the U. W. farm where it was cul¬ tivated as a forage plant. CONVOLVUL ACEiE. (CONVOLVULUS FAMILY.) Ipomea, L. Morning glory. 400. I. purpurea, Linn. Common morning glory. Escaping occasionally from cultivation. Convolvulus, Tourn. Bindweed. 401. C. spithameus , L. Sandy hills west of Madison. Local. 402. C. sepium , L. Hedge bindweed. Too common along railroad embankments and in cultivated fields. 403. C. sepium , L., var. Americanus , Sims. With the species. No less common. 404. C. sepium , L. , var. repens , Gray. With the two preceding. Not rare. 405. C. arvensis, L. Bindweed. Agricultural Experimental Farm, near Hiram Smith Hall. Along railroad near Angleworm sta¬ tion, Madison. Rare. Cuscuta, Tourn. Dodder. 406. C. chlorocarpa , Engelm. In moist places. Less common than C. Gronovii . 407. C. Gronovii , Willd. Common in wet land. 408. C. glomerata , Choisy. On Compositse along streams. Not rare. SOLANACEiE. (NIGHTSHADE FAMILY.) Solanum, Tourn. Nightshade. 409. **S. Dulcamara, L. Bittersweet. Woods west of Fair grounds. Local. 410. *S. nigrum , L. Common in fields. Solcinctcece and Scrophidariacece. 89 Physalis, L. Ground cherry. 411. P. Philadelphia , Lam. Along railroad embankments. Not common. 412. *P. pubescens , L. Common in sandy soil. Lycium, L. Matrimony-vine. 413. *L. vulgar e, Dunal. A few specimens found growing along I. C. R. R. west of Madison. SCROPHULARIACEiE. (FlGWORT FAMILY.) Verbascum, L. Mullein. 414. *V. Thapsus, L. Common mullein. Common in pastures and fields. Linaria, Tourn. Toad-flax. 415. *L. vulgaris, Mill. Ramsted. Butter and eggs. Common about dwellings as an escape from culti¬ vation. Scrophularia, Tourn. Figwort. 416. S. nodosa , L., var. Marylandica , Gray. (S. nodosa , L.) Common throughout the region. Chelone, Tourn. Turtle-head. Snake-head. 417. *GT. glabra, L. Low wet meadow land. Not rare. Mimulus, Monkey-flower. 418. M. ringens, L. Growing in the marsh land about the lakes. Com¬ mon. 419. M. Jamesii, Torr. Near springs south of Lake Wingra. Merrill Springs. Rare. Ilysanthes, Raf. 420. I. riparia, Raf. False pimpernel. In wet places. Local. 90 Cheney and True— Flora of Madison and Vicinity. Veronica, L. Speedwell. 421. ** V. Virginica , L. Culver’s-root. Culver’s physic. Rich woods. Everywhere. 422. * V. Americana , Schweinitz. American brooklime. Brooks and ditches. Not rare. 423. V. serpyllifolia , L. Thyme-leaved speedwell. Wet pastures. Not rare. 424. V. peregrina , L. Neckweed. Purslane speedwell. Very abundant in low cultivated land. 425. V. ARVENSis, L. Corn speedwell. Bank of Yahara river near Stoughton. Gerardia, L. 426. G. grandiflora , Benth. Growing on dry wooded hills. Not rare-. 427. G. purpurea , L. Purple gerardia. Very abundant in low meadows and pastures. 428. G. tenuifolia , Vahl. Slender gerardia. A few specimens found in wet pasture south of Madison. Rare. Castilleia, Mutis. Painted-cup. 429. C. coccinea , Spreng. Scarlet painted-cup. On dry soil in open woods. Not common. 430. C. sessiliflora , Pursh. A half dozen specimens of this species wTere col¬ lected on a rocky hill west of Madison. Not ob¬ served elsewhere. Pedicularis, Tourn. Lousewort. Wood betony. 431. P. Canadensis , L. Common lousewort. Wood betony. On dry uplands. Not uncommon. 432. P. lanceolata , Michx. Common in low grounds. LENTIBULARIACEiE. (BLADDERWORT FAMILY.) Utricularia, L. Bladderwort. 433. TJ. vulgaris , L. Greater bladderwort. Common about the muddy margins of the lakes.. Bignoniaceoe , Verbeniacece and Labiatee. 91 Bignoniaceoe. (Bignonia Family.) Tecoma, Juss. Trumpet-flower. RADICANS, Juss. Cultivated here, growing wild in central Illinois. Verbeniaceoe. (Vervain Family.) Tourn. Vervain. urticcefolia , L. White vervain. In open woods and pastures. Common. With V. itrticcefolia and as abundant. stricta, Vent. Hoary vervain. Along railroads and on dry hills about Madison. Not common. bracteosa, Michx. Dry, sandy and gravelly soil throughout the region. Rather common. 434. Verbena, 435. F. 436. F. 437. F 438. F Phryma, L. Lopseed. 439. P. Leptostaehya , L. Rich woods. Very common. Labiatce. (Mint Family.) Teucrium, Tourn. Germander. 440. *T. Canadense , L. American germander. Wood sage. Occurring occasionally about the lakes. 441. T. occidentale , Gray. Lake shore near University drive, Experiment Farm. Rather common in low ground. Dr. Stan¬ ley Coulter kindly verified this determination. Mentha, Tourn. Mint. 442. **M. viridis, L. Spearmint. Picnic Point, Lake Mendota. 443. M. Canadensis , L. Wild mint. Common in low pastures, along watercourses and about the margins of the lakes. 92 Cheney and True — Flora of Madison and Vicinity. Lycopus, Tourn. Water horehound. 444. L. sinucitus , Ell. Common. Pycnanthemum, Michx. Mountain mint. Basil. 445. *P. lanceolatum , Pursh. Common in wet meadow land. Hedeoma, Pers. Mock pennyroyal. 446. **//. pulegioules , Pers. American pennyroyal. In dry soil. Throughout this region but not abundant. Monarda, L. Horse-mint. 447. *M. fistulosa , L. Wild bergamont. Abundant everywhere. 448. *Jf. punctata , L. Horse-mint. Three or four specimens of this species were col¬ lected near the Fuller and Johnson Plow Works, Madison. Not observed elsewhere in this region. Blephilia, Baf. 449. B. ciliata , Raf. Growing in wild meadow land northeast of Men- dota and south of Lake Wingra. Local. Lophanthus, Benth. Giant hyssop. 450. L. nepetoides, Benth. Growing beside the C. M. & St. P. R. R. east of Elmside. Rare. Nepeta, L. Cat-mint. 451. *N. Cataria, L. Catnip. Common in waste grounds. 452. *N. Glechoma, Benth. Ground ivy. Gill-over-the- ground. Along fences and sidewalks. Rather common. Scutellaria, L. Skullcap. 453. **$. lateriflora, L. Mad-dog skullcap. Wet shady places. Common. 454. S. parvula, Michx. In dry soil. Local. Labiatce, Plantaginacece and JSTyctaginacece. 93 455. *S. galericulata , L. In wet land about the lakes. Abundant. Brunella, Tourn. Self-heal. 456. *B. vulgaris, L. Common self-heal or heal-all. Very common. Leonurus, L. Motherwort. 457. *L. Cardiaca, L. Common motherwort. In rich soil. Common. Stachys, Tourn. Hedge-nettle. 458. JS. aspera, Michx. Flowers finely pubescent! Growing in low places. Not rare. Plantaginace^:. (Plantain Family.) Plantago, Tourn. Plantain. Ribwort. 459. *P. major , L. Common plantain. Common as a persistent weed in lawns, waste grounds and by roadsides. 460. *P. lanceolata, L. Rib grass. Ripplegrass. Growing on campus near Science Hall, on private lawn near Science Hall and along I. C. R. R. west of Madison. APETALiE. Nyctaginace^e. (Four-O’Clock Family.) Oxybapbus, Vahl. • 461. 0. nyctagineus , Sweet. Along C. M. & St. P. R. R. in Madison and west of the city. Amarantace^e. (Amaranth Family.) Aaiarantits, Tourn. Amaranth. 462. A. retroflexus, L. Pigweed. A rank weed in cultivated fields. Common. 9— A. & L. 94 Cheney and True — Flora of Madison and Vicinity „ 463. A. albus , L. Tumble weed. Abundant on newly cleared land. 464. A blitoides , Watson. Growing in waste ground. Not common. Acnida, Mitch. Water-hemp. 465. A tuberculata , Moq. Common about the margins of the lakes. Chenopodiace^e. (Goosefoot Family.) Chenopodium, Tourn. Goosefoot. Pigweed. 466. *C. album, L. Lamb’s-quarters. Pigweed. A common weed everywhere. 467. C. MURALE, L. Collected at Madison. Not common. 468. C. hybridum , L. Maple-leaved goosefoot. In rich soil, widely distributed. Not abundant. 469. C. capitatum , Watson. Strawberry blite. Dry rich soil. Rare. 470. **C. ambrosioides, L. , var. anthelminticum, Gray" Wormseed. In the I. C. R. R. yards. Rare. Atriplex, Tourn. Orache. 471. A. patidum , L. , var. hastatum , Gray. In all parts of Madison. Local. Salsola, L. Saltwort. 472. S. Kali, L. Common saltwort. Railroad track near Prof. King’s house near Agri¬ cultural Experiment Farm. Found east of Madi¬ son along railroad track near Yahara river. Along N. W. R. R. south of Lake Monona. Becoming- more abundant. Polygonacece. 95 Polygonacece. (Buckwheat Family.) Rumex, L. Dock. Sorrel. 473. R. Brittannica , L. Great water-dock. Growing in shallow water at margins of lakes and streams. 474. R. altissimus, Wood. Pale dock. In marshes about the lakes. Common. 475. R. verticillatus, L. Swamp dock. With R. altissimus. Not common. 476. **R. crispus, L. Curled dock. A weed in cultivated land. 477. **R. obtusifolius, L. Bitter dock. With R. crispus. More abundant. 478. R. acetosella, L. Field or sheep sorreh Abundant along railroads and on sandy soil. Polygonum, Tourn. Knotweed. 479. *P. aviculare , L. Common in yards and along roadsides. 480. P. erectum , L. With P. aviculare. Less abundant. 481. P. Pennsylvanicum , L. In low wet places. Common. 482. *P. amphibium , L. In shallow water. Local. 483. P. Muhlenbergii , Watson. Growing in muddy places. Not common. 484. P. Hartwrightii, Gray. In muddy places. Rare. 485. P. orientale, L. Prince’s feather. Occasionally escaped from cultivation. 486. *P. Persicaria, L. Lady’s thumb. Common in waste grounds and .along roadsides. 487. *P. liydropiperoides , Michx. Mild water-pepper. Low wet pastures and cultivated land. Common. 488. *jP. Hydropiper , L. Common smartweed or water- pepper. Very abundant in cultivated fields. 96 Cheney and True — Flora of Madison and Vicinity. 489. P. Virginianum) L. Rich woods east of Lake Mendota. Local. 490. P. sagittatum , L. Arrow-leaved tear- thumb. In marsh east of Lake Monona. 491. P. dumetorum , L., var. scandens, Gray. Climbing’ false buckwheat. Along railroads and on newly cleared land. Eagotyrum, Tourn. Buckwheat. 492. F. esculentum, Moench. Buckwheat. Along railroads and in fields after cultivation. Aristolochiace^e. (Birthwort Family.) As arum, Tourn. Asarabacca. Wild ginger. 493. *A. Canadense , L. In low woods northeast of Lake Wabesa. Rare. S ANTAL ACE^E. (SANDALWOOD FAMILY.) Gomandra, Nutt. Bastard toad-flax. 494. C. umbellata , Nutt. Dry ground. Not common. Euphorbiace^e. (Spurge Family.) Euphorbia, L. Spurge. 495. E. serpyllifolia , Pers. Along railroads. Not common. 496. E. glyptosperma , Engelm. Thin soil. Common. 497. E. maculata , L. Along railroads and on dry hills. Everywhere very abundant. 498. *E. humistrata , Engelm. With E. maculata. Common. 499. *E. Preslii , Guss. Along railroads. Not so common as E. maculata or E. humistrata. Euphorhiacece and Urticacece. 97 500. *E. corollata , L. Dry ground. Everywhere, 501. *E. Cyparissias, L. Occurring occasionally as an escape from culti¬ vation. 502. *E. Peplus, L. Spontaneous in many lawns and gardens in Madi¬ son. Local. Acalypha, L. Three-seeded mercury. 503. A. Caroliniana , Ell. Rich woods. Common. Urticacece. (Nettle Family.) Ulmus, L. Elm. 504. fulva , Michx. Slippery or red elm. Occurring occasionally throughout the region. 505. *V. Americana , L. American or white elm. Common, especially in low woods. Celtis, Tourn. Nettle-tree. Hackberry. 506. C. occidentalism L. Sugarberry. Hackberry. Occasional in the older forest tracts. Cannabis. Tourn. Hemp. 507. **C. sativa, L. Hemp. Growing along roads and about dwellings. Not rare. Humulus, L. Hop. 508. **H. Lupulus , L. Common hop. Growing wild in many places. Urtica, Tourn. Nettle. 509. U. gracilis , Ait. In low rich soil. Common. Pilea, Lindl. Richweed. Clearweed. 510. P. pumila , Gray. In rich woods. Not rare. 98 Cheney and True — Flora of Madison and Vicinity . Boehmeria, Jacq. False nettle. 511. B. cylindrical Willd. Very common in wet places. Parietaria, Tourn. Pellitory. 512. P. Pennsylvania, Muhl. Growing on leaf mould in woods. Local. * PLATANACEiE. (PLANE-TREE FAMILY.) Platanus, L. Sycamore. Buttonwood. 513. P. occidentalis, L. A single small tree on west, shore of Lake Kegonsa. JUGLANDACEiE. (WALNUT FAMILY.) Juglans, L. Walnut. 514. **J. cinerea, L. Butternut. White walnut. In rich soil in open woods. 515. *J. nigra, L. Black walnut. With J. cinerea. Less common. Carya, Nutt,. Hickory. 516. C. alba, Nutt. Shell-bark or shag-bark hickory. Open woodland throughout the region. 517. C. amara, Nutt. Bitternut or swamp hickory. Low lands about lakes. Not uncommon. CupuLiFERiE. (Oak Family.) Betula, Tourn. Birch. 518. *B. papyrifera, Marshall. Paper or canoe birch. (B. papyracea, Ait. ) North of University Hall, Madison. Cultivated. A small tree growing wild in woods south of ceme¬ tery. Growing wild at Hook Lake. 519. *B. pumila, L. Low birch. Marshes about the lakes. Local. CupulifercB and Salicaceoe. 99 Alnus, Tourn. Alder. 520. A. incana , Willd. Speckled or hoary alder. In low lands along watercourses. Not abundant. •CoRYLirs, Tourn. Hazel-nut. Filbert. 521. *C. Americana , Watt. Wild hazel-nut. Common everywhere. Ostrya, Micheli. Hop-hornbeam. Iron-wood. 522. 0. Virginica , Willd. American hop-hornbeam. Lev- erwood. Of occasional occurrence throughout the region. Qttercus, L. Oak. 523. **Q. alba, L. White oak. In all woodlands of the region. With the excep tion of Q. coccinea , this is our most abundant oak. 524. Q. macrocarpa, Michx. Bur oak. Over-cup or mossy-cup oak. , This species is represented in all parts of the region by small clumps or single individuals of medium sized trees. 525. Q. bicolor, Willd. Swamp white oak. Low, wet woods about the lakes. Local. 526. Q. rubra, L. Red oak. Forming a considerable element in the older for¬ ests of the region. 527. Q. coccinea, Wang. Scarlet oak. Forming the chief element in the oak forests of the region. Salicaceoe. (Willow Family.) Salix, Tourn. Willow. Osier. 528. S. discolor, Muhl. Glaucous willow. Wet places along lakes and watercourses. Com¬ mon. 529. S. humilis, Marsh. Prairie willow. Along railroads and on dry wild lands. 100 Cheney and True — Flora of Madison and Vicinity. 530. S. Candida , Willd. Sage willow. Hoary willow. In marsh lands about lakes. Common. 531. S. myrtilloides , L. With S. Candida. Less common. PoPULTTS, Tourn. Poplar. Aspen. 532. P. alba, L. White poplar. Abele. Occasional in cultivation. 533. P. tremuloides , Michx. American aspen. Common in all the woods of the region. 534. P. grandidentata , Michx. Large toothed aspen. With P. tremuloides. Not so common. 535. P. balsamifera , L. Balsam-poplar. Tacamahac Cultivated as shade or ornamental tree. 536. P. dilatata, Lombardy poplar. Cultivated in many places. MONOCOTYLEDONES. Hydrocharidace,®. (Frog’s-bit Family.) Elodea, Michx. Water-weed. 537. E. Canadensis , Michx. ( Anacharis Canadensis , Plan- chon. ) Very abundant in most spring waters of the- region. Becoming a troublesome obstruction in many streams. Vallisneria, L. Tape grass. Eel grass. 538. V. spiralis , L. Common in the shallow parts of the lakes. Orchid ace ae. (Orchis Family.) Aplectrum, Nutt. Putty-root. Adam-and-Eve. 539. A. hiemale , Nutt. Rich woodlands east of Lake Mendota. Local. Orchidacece. 101 Corallorhiza, Haller. Coral-root. 540. *G. odontorrhiza , Nutt. Rare. A few specimens found in woods near quarries west of Madison. 541. *G. multiflora, Nutt. Dry woodlands. Widely distributed but not abundant. Spiranthes, Richard. Ladies’ tresses. 542. S. cernua, Richard. Low grounds south of Madison. Goodyera, R. Br. Rattlesnake-plantain. 543. G. pubescens, R. Br. Woods near I. C. R. R. , two miles southwest of Madison. Rare. Calopogon, R. Br. 544. C. pulchellus, R. Br. Two specimens collected in wild meadow south of Lake Wingra. Very rare. Orchis, L. 545. O. spectabilis, L. Showy orchis. In rich woods throughout the region. Not abundant. Habenaria, Willd. Rein-orchis. 546. II. tridentata, Hook. Low, wet meadows southwest of Windsor. Rare. 547. H. bracteata, R. Br. Rich woods. Common. 548. H. hyperborea , R. Br. At Merrill Springs, Lake Mendota. Rare. 549. H. leucophcea, Gray. A few specimens collected along C., M. & St. P. R. R., near Lakeside. Summer of 1888. Two specimens found along same road west of U. W. Farm buildings, 1891. Not observed in either place since. 102 Cheney and True — Flora of Madison and Vicinity. 550. H. lacera , R. Br. A few specimens collected south of Lake Wingra. Rare. 551. H. psy codes, Bray. Growing in low thicket southeast of Lake Win¬ gra. Rare. Cypripedium, L. Lady’s slipper. Moccasin-flower. 552. C. candidum , Muhl. Small white lady’s slipper. Very abundant in limited areas in the wild mea¬ dow lands about the lakes. Especially south of Lakes Monona and Wingra. 553. **(7. parviflorum , Salisb. Smaller yellow lady’s slipper. Three specimens reported from marsh land south of Lake Wingra. 554. **C. pubescens , Willd. Larger yellow lady’s slipper. In all the rich woodlands of the region. 555. C. spectabile. Salisb. Showy lady’s slippor. A few specimens found in tamarack swamp south¬ west of Windsor. Nearly extinct. i H^modorace^e. (Bloodwort Family.) Aletris, L. Colic-root. Star-grass. 556. *A. farinosa , L. A few specimens found growing on little knoll in marsh northeast of Mendota. Rare. iRiDACEiE. (Iris Family.) Iris, Tourn. Flower-de-Luce. 557. **/. versicolor , Larger blue flag. Common in marshes. Sisyrinchium, L. Blue-eyed grass. 558. S. angustifolium , Mill. Common on dry sandy soil. Amaryllidacece , Dioscoreacece and Liliaceee. 103 Amaryllidaceae. (Amaryllis Family.) Hypoxis, L. Star-grass. 559. H. erecta. L. Usually with Sisyrinchium angustifolium. common. Less Dioscoreacece. (Yam Family.) Discore a, Plumier. Yam. 560. *D. villosa , L. Wild yam-root. In thickets throughout the region. Liliacece. (Lily Family. ) Smilax, Tourn. Green brier. Cat-brier. 561. 8. herbacea , L. Carrion-flower. In woods, everywhere. 562. S. ecirrhata , Watson. With 8. herbacea. Less common. 563. 8. hispida , Muhl. In thickets. Not rare. .Allium, L. Onion. Garlic. 564. A. tricoccum, Ait. Wild leek. Rich woods. Widely distributed. 565. A. Ganadense , Kalm. Wild garlic. Common. Generally known here as “wild onion. ” Polygonatum, Tourn. Solomon’s seal. 566. *P. biflorum , Ell. Smaller Solomon’s seal. Low, rich woods. Not common. 567. *P. giganteum , Dietrich. Great Solomon’s seal. Rich woodlands, throughout the region. Asparagus, Tourn. Asparagus. 568. *A. officinalis, L. Garden asparagus. Occasionally escaped. Smilacina, Desf. False Solomon’s seal. 569. *N. racemosa , Desf. False spikenard. Common in open woods. 570. 8. stellata , Desf. Common along railroad tracks and other banks. 104 Cheney and True — Flora of Madison and Vicinity . Maianthemum, Wigg. 571. M. Canadense , Desf. Low, wet woods north of Lake Wabesa. Tn a simi¬ lar place west of Lake Wingra. Local. Uvularia, L. Bell wort. 572. U. grandiflora, Smith. In all woodlands. Erythronium, L. Dog’s-tooth violet. 573. E. albidum , Nutt. White dog’s-tooth violet. Rich woods about the lakes. Lilium, L. Lily. 574. L. Philcidelphicum , L. Wild orange-red lily. Wood' lily. Along railroads and in other places on wild land. 575. L. superbum , L. Turk’s-cap lily. Margins of wild meadows. Rather rare. Trillium, L. Wake robin. Birthroot. 576. *T. erectum , L. In rich woods east of Lake Mendota. Not com¬ mon. 577. *T. grandiflorum , Salisb. With T. erectum. Much rarer. PONTEDERIACEiE. ( PICKEREL- WEED FAMILY.) Pontederia, L. Pickerel-weed. 578. P. cor data, L. Abundant in northwestern part of Lake Wingra. Local. Heteranthera, Ruiz & Pav. Mud-plantain. 579. H. graminea , Vahl. Yahara river below Lake Monona. Dr. Chas.. Morong kindly determined this species. COMMELINACEiE. (SPIDERWORT FAMILY.) Tradescantia, L. Spiderwort. 580. T. Virginica, L. Common spiderwort. Along railroads. Not uncommon. Juncacece , Typhacece and Aracece. 105 Juncacece. (Rush Family.) Juno, us, Tourn. Rush. Bog-rush. 581. J. tenuis, Willd. In paths, everywhere. 582. J '. bufonis , L. Roadsides in low places. Not common. 583. J. nodosus , L. Wet meadows. Occasional. 584. J. Canadensis , J. Gay. Wet meadows and marshes. Rare. XiUZULA, DC. Wood-rush. 585. L. campestris , DC. Hook Lake. Rare. Typhacece. (Cat-tail Family.) Typha, Tourn. ' Cat-tail flag. 586. T. latifolia , L. Common cat-tail. Common in marshes, especially eas.t of city oj Madison. Sparganium, Tourn. Bur-reed. 587. S. simplex . Huds. ? Marshes about Lake Mendota. Araceje. (Arum Family.) Aris^ma, Martius. Indian turnip. Dragon arum. 588. *A. triphyllum , Torr. Indian turnip. Low, rich woods. Not common. Symplocarpus, Salisb. Skunk cabbage. 589. *S. foetidus. Salisb. Merrill Springs and Lake Wabesa. Local. AlCOrsu, L. Sweet flag. Calamus. 590. **M. Calamus , L. Growing in the shallow, muddy bogs of all the lakes. 106 Cheney and True — Flora oj- Madison and Vicinity . Lemnace^e. (Duckweed Family. ) Spirodela, Schleiden. 591. **$. polyrrhizci , Schleid. Abundant on all quiet waters of the region. Lemna, L. Duckweed. Duck’s-meat. 592. L. trisulca , L. Growing with Spirodela poly rrhiza. Common. 593. L. minor , L. With L. trisulca . Rarer. Wolefia, JBLorkel. 594. W. Columbia; na, Karsten. Very abundant on the lakes in late summer and autumn. 595. W. Braziliensis , Weddell. With W. Columbiana , much rarer. Alismaceje. (Water-plantain Family.) Alisma, Tj. Water-plantain. 596. *A. Plcintago , L. Common in ditches, at margins of ponds, etc. Sagittaria, L. Arrow-head. 597. S. variabilis , Engelm. Everywhere in shallow water. NAI ADAGES. (PONDWEED FAMILY.) Triglochin, L. Arrow-grass. 598. T. maritima , L. Growing in marshy grass land about lakes. Bare. Potamogeton, Tourn. Pondweed. 599. P. natanSj L. Common in all the waters of the region. 600. P. fluitans, Roth. University bay, Lake Mendota. 601. P. amplifolius , Tuckerm. Growing in Lakes Wingra and Wabesa. N'aiadacem and Cyperaceee. 107 602. P. perfoliatus , L. Common. 603. P. zoster cefolius, Schum. University bay. Lake Mendota. 604. P. mucronatus , Schrad. Lagoon on Picnic Point. 605. P. pectinatus, L. University bay, Lake Mendota. 606. P. marinus. Lagoon on Picnic Point. Naias, L. Naiad. . 607. N. ftexilis, Rostk. & Schmidt. With Potamogeton marinus. Cyperace^:. (Sedge Family.) Cyperus, Tourn. Galingale. 608. C. diandrus , Torr. Common on sandy beaches. 609. C. Schieeinitzii , Torr. Sandy ridge east of Lake Wingra. Rare. 610. C. Jiliculmis , Yahl. Dry, sandy soil about the lakes. Local. 611. C. strigosus , L. Rather common in wet sandy places. Dulichium, Pers. 612. D. spathaceum , Pers. Growing in shallow water along margins of lakes. Not rare. Eleocharis, R.Br. Spike-rush. 613. E. ovata , R.Br. Common about ponds. 614. E. palustris, R.Br.? Shallow places' in the lakes and in very wet land Common. 615. E. compressa , Sullivant. Wet places. Not common. 616. E. acicularis , R.Br. Muddy places. Widely distributed. 108 Cheney and True — Flora of Madison and Vicinity. Scirpus, Tourn. Bulrush or club-rush. 617. S. pun yens, Vahl. Lake shores. Local. 618. S. lacustris, L. Great bulrush. Common in all the shallow waters of the region. 619. S. atrovirens , Muhl. Collected on north side of Lake Wingra. Not common. Eriophorum, L. Cotton-grass. 620. E. cyperinum , L. Wet meadows and marshes. Common. 621. E. polystachyon, L. Growing in all the marsh land of the region. Not uncommon. Carex, Ruppins. Sedge. 622. C. 623. c. 624. 0. 625. c. 626. c. 627. c. 628. c. 629. c. 630. c. Wet thickets. Not abundant. lupulina, Muhl., var. pedunculata, Dewey. Growing with the species. Tuckermani, Dewey. Growing at the edge of a pond east of Madison. Rare. retrorsa , Schwein. Rather common in wet places. hystricina , Muhl. In shallow water or wet places. Not rare. Pseudo- Cyperus, L., var. Americana, Hochst. Wet meadows and marshes. Rather common. filiformis, L. Growing in marsh south of Lake Wingra. Local. filiformis, L. Var., latifolia, Boeckl. In places similar to that in which the species was found. More abundant. riparia, W. Curtis. Common in very wet meadows. Cyperacece. 109 631. 632. 633. 634. 635. 636. 637. 638. 639. 640. 641. 642. 643. 644. 645. 646. G. stricta , Lam, The commonest Carex in all marsh lands. This species forms a very large element of the “wild hay“ of this region. C. stricta, Lam. var. , decora,, Bailey. Growing with the species. Less common. C. limosci , L. A few specimens collected in marsh south of Lake Wingra. Rare. C. longirostris, Torr. Growing on shady banks. Not common. C. laxiflora, Lam. Moist, shady places. Not abundant. C. platyphylla. Carey. Growing in moist, rich woods. Local. C. Pennsylvanica, Lam. Very common in dry open woods. C. stipata, Muhl. Forming large tufts in low meadows and pastures. Widely distributed. C. decomposita, Muhl. In marshes or low lands. Local. C. teretiuscidci, Gooden. Growing in loose tufts in wet places. Common. C. rosea, Sehkuhr., var. radiata, Dewey. In dry, open woods. Not rare. * C. sparganioides , Muhl. Not rare in rich woods. C. cephcdop flora, Muhl. Forming tufts in dry soil. Rather common. G. echinata, Murray, var. microstachys, Boeckl. Wet meadows. Common. G. siccata, Dewey. • Sandy fields and banks. Abundant. C. tribuloides, Wahl., var. cristata, Bailey. Forming tufts in low, wet places. Rather com¬ mon. 10 -A. & L. 110 Cheney and True — Flora of Madison and Vicinity . 647. C. scoparia , Schkuhr. Common in wet meadows and swales. 648. C. straminea , Willd. Common throughout the region. 649. C. straminea , Willd., var. foenea , Torr. With the species. 650. C. straminea , Willd., var. brevior , Dewey. With the species. Gramine^e. (Grass Family.) Spartina, Schreber. Cord or marsh grass. 651. S. cynosuroides , Willd. Fresh-water cord-grass. Growing in wet places throughout the region. Not uncommon. Panicum, L. Panic- grass. 652. P. SANGrUiNALE, L. Common crab-or finger-grass. Rich cultivated and waste grounds. Very com¬ mon. 653. P. capillar e, L. Old- witch grass. Common in sandy soil. 654. 655. 656. 657. .658. 659. P. vir gatum , L. Growing on dry soil along railroads and on spots of wild land in fields. Local. P. latifolium , L. Dry places on wild grass land and along railroads about Madison. Not uncommon. P. dichotomum , L. With P. latifolium. Much more abundant. P. laxiflorum , Lam. Growing on dry hills about Madison. Common. P. depauper atum, Muhl. Dry, rocky points west of Madison. Local. P. Crus-galli, L. Barnyard-grass. Low, wet places in fields and along roadsides. Common. Graminece. Ill Setaria, Beauv. Bristly foxtail grass. 660. S. glauca, Beauv. Fox tail. Pigeon-grass. Very common in all cultivated fields and in old pastures and meadows. 661. S. viridis, Beauv. Breen foxtail. Bottle-grass. With S. glavca. Less common. 662. S. Italica, Kunth. Millet. Hungarian or Bengal grass. Cultivated as a forage crop. Persisting after cultivation. Cenchrus, L. Hedgehog or bur-grass. 663. C. tribuloides , L. Browing along railroads and in sandy fields. Not rare. Leersia, Schwartz. White grass. 661. L. Virginica , Willd. White grass. Occasionally met with in open woods. Not com¬ mon. 665. L. oryzoides, Schwartz. Rice cut-grass. Browing in ditches, sluggish branches and shal¬ low ponds. Common. Zizania, Bronov. Water or Indian rice. 666. Z. aquatica, L. Indian rice. Abundanl in Lake Wingra. Occurring in many places in the marshes about Lakes Mendota, Monona and Waubesa. Local. Andropogon, Royen. Beard-grass. 667. A. furcatus , Muhl. Common in the dry portions of all wild lands, in fields and along railroads. 668. A. scoparius , Michx. Browing with A. furcatus. Much less common. Chrysopogon, Trin. 669. C. nutans , Benth. Indian grass. Wood-grass. Dry ground borders of woods and copses. Local 12 Cheney and True — Flora of Madison and Vicinity . Hierochloe, Gmelin. Holy grass, 670. IT. borealis , Roem. & Schultes. Vanilla or Seneca grass. Growing in low, moist grass land south of Lake Monona along C. M. & St. P. R. R. Stipa, L. Feather-gra^s. 671. S. spartea , Trim Along the C. M. & St. P. R. R. near the Univer¬ sity of Wisconsin farm and farther west. Rare. Oryzopsis, Michx. Mountain rice. 672. 0. melanocarpa, Mum. Growing in woods north of University Hall. Not observed » elsewhere. Muhlenbergia, Schreber. Drop-seed grass. 673. M. glomerata , Trim Rather common in the marshes about the lakes. 674. M. Mexicana , Trim With M. glomerata. More inclined to be local in its distribution. 675. M. sylvatica , Torr. & Gray. Moist woods and copses. Not rare. 676. M. Wildenovii , Trim Rocky woods. Rare. 677. M. diffusa , .Schreber. Drop -seed. Nimble Will. Dry, shady places. Local. oRachyelytrum, Beauv. 678. B. aristatinn , Beauv. Dry, open woods. Common. Phleuw, L. Cat’s-tail grass. 679. P. pratense, L. Timothy. Herd’s-grass (in New Eng. and N. Y. ) The chief cultivated hay grass. Growing wild everywhere. Alopecurus, L. Foxtail grass. o8Q. A. geniculatus , L.; var. ciristulatus , Torr. Floating foxtail. Observed growing at the eastern margin of the lagoon on Picnic Point. Rare. Grammece. 113 Sporobolus, R. Br. 681. S. asper, Kunth. Common in dry, sandy or gravelly soil. 682. S. heterolepis , Gray. Growing along railroads. Rather rare. 683. &. cryptandrus , Gray. Growing on high sandy ridge between Lakes Wingra and Monona. Not observed elsewhere. Agrostis, L. Bent-grass. 684. A. alba, L. Fiorin or white bent-grass. Not rare. In all grass and pasture land. 685. A. alba, L. , var. vulgaris, Thurb. Red top. Herd’s-grass (of Penn. ) A .very common and considerable element in all the pasture lands of the region. 686. A. scabrci , Willd. Hair-grass. Met with occasionally on dry soil. Not common. 687. C. arundincicea , L. In shady places at margins of ponds. Local. Calamagrostis, Adans. Reed bent-grass. 688. C. Canadensis, Beauv. Blue-joint grass. Forming a very valuable and considerable element in the “wild hay“ made throughout the region. Very common. Arrhenatherum, Beauv. Oat-grass. 689. A. avenaceum, Beauv. Persisting in places about Madison after cultiva¬ tion. Not common. Bouteloua, Lagasca. Muskit-grass. 690. B. racemosa , Lag. On dry hills and rocky points. Rather local. Phragmites, Trin. Reed. 691. P. communis , Trin.. In all marshes about the lakes forming dense patches. Local. Kceleria, Pers. 692. K. cristata , Pers. Not uncommon in dry ground along railroads 114 Cheney and True — Flora of Madison and Vicinity. Eragrostis, Beauv. 693. E. reptans , Nees. Growing in moist, sandy soil. Not abundant. 694. E. major. Host. Becoming very common as a weed in cultivated or waste grounds. 695. E. Purshii , Schrader. Rather common in hard, dry ground. Dactylis, L. Orchard grass 696. D. GLOMERATA, L. Persisting in many places on good soil after culti¬ vation. Poa, L. Meadow-grass. Spear-grass. 697. P. annua, L. Low spear-grass. Moist, shady places. Rather common. 698. P. compress a. L. Wire-grass. English blue-grass. Dry hillsides and along railroads. Not rare. 699. P. serotina , Ehrh. False red- top. Fowl meadow grass. Widely distributed and rather common. 700. P. pratensis , L. June grass. Spear-grass. Kentucky blue-grass. This is the most abundant and valuable of the spontaneous grasses in the region. Glyceria, R. Br. Manna-grass. 701. G. nervata, Trin. Fowl-meadow grass. Not uncommon in wet meadows and marshes. 702. G. fluitansr R. Br. Growing in lagoon on Picnic Point. Not observed elsewhere. Festuca, L. Fescue-grass. 703. F. tenella , Wilid, This species is found on dry, sandy and gravelly points about Madison. Not infrequent but rather local. 704. F. nutans , Willd. Rocky woods and copses. Not common. Grammece. 115 705. F. elatior , L., var. pratensis , Gray. Taller or mea-- dow fescue. Occurring occasionally in low, moist grass land. Not common. Bromus, L. Brome-grass. 706. B . Kalmii , Gray. Wild chess In copses and along railroads. Rather rare 707. B. secalinus, L. Cheat or chess. Widely distributed. Not especially abundant. 708. B. ciliatus , L. Rocky woods and thickets. Common. 709. B. asper, L. Growing in moist woods and copses. Rather common. Lolium, L. Darnel . 710. *L. perenne, Common darnel. Ray-or rye-grass. Observed growing spontaneously on the Univ. of Wis. farm and in several places in the city of Madison. Local. Agropyrum, Gaertn. 711. **A repens , Beauv. Couch, quitch or quick-grass. Common in dry soil throughout the region. 712. A. dasystachyum , Vasey. Found with A. repens. Rather rare. Hordeum, Tourm Barley. 713. H. jubaturti , L. Squirrel-tail grass. Common in dry, waste places. Elymus, L. Lyme-grass. Wild rye. 714. E. Canadensis , L. Dry, gravelly or sandy embankments or slopes* Not rare. 715. E. striatus , Willd. Open, rocky woods. Not common. AlSprella, Willd. Bottle-brush grass. 716. A. Hystrix , Willd. Dry, open woodlands. Rather common. 116 Cheney and True — Flora of Madison and Vicinity. GYMNOSPERMiE. Conifers. (Pine Family. ) PlNUS, Tourn. Pine. 717. P. Strobus, L. White pine. University campus. Cultivated. This species has doubtless been a native of this region, as it is still found on the hills at Pine Bluff. 718. P. resinosa, Ait. Red pine. Near Lake Wingra. Cultivated. 719. **P. sylvestris, L. Scotch pine. University campus. Cultivated. Picea, Link. Spruce. 720. P. nigra, Link. Black spruce. Hook Lake. 721. *P. alba, Link. White spruce, (Abies alba , Michx.) W. Johnson St., Madison. Cultivated. Tsuga, Carriere. Hemlock. 722. **T. Canadensis, Carr. Hedge on State St. Cultivated. Abies, Link. Fir. 723. **A. excelsa, Norway spruce. University campus. Cultivated. 724. **A. balsamea, Miller. Balsam or balm-of-Gilead fir. University campus. Cultivated. Larix, Tourn. Larch. 725. *L. Americana , Michx. American or black larch. Tamarack. Hackmatack. University campus. Cultivated. In wild state in marsh near Windsor; east of Lake Waubesa and at Hook Lake. Thuya, Tourn. Arbor vitae, 726. occidentalism L. Arbor vitae. White cedar. University campus. Cultivated. Juniperus, L. Juniper. 727. *J. Virginiana , L. Red cedar or savin. State street. Cultivated. In wild state on rocky bluffs about the lakes. Eqidsetaceoe and Filices. 117 PTERIDOPHYTA. Equisetace^e. (Horsetail Family.) Equisetum. L. Horsetail. Scouring rush. 728. *E. arvense , L. Common horsetail. In sandy and gravelly soil. Common road tracks. along rail- 729. F. limosum , L. Common in shallow water. 730. E. robustum , Braun. Growing along the C. M. & St. P. R. Lakeside. Local. R. south of 731. E. Icevigatum , Braun. Not rare throughout the region. Filices. (Fern Family.) Polypodium, L. Polypody. 732. *P. vulcfare, L. Not rare on rocks along lakes. Adiantum, L. Maiden hair. 733. *A. pedatum , L. Common in rich, moist woods. Pteris, L. Brake or bracken. 734. P. aqidlina , L. Common brake. Common in open woods and thickets. Pell^ea, Link. Cliff-brake. 735. P. atropurpurea , Link. On faces of rocks about the lakes. Local. Asplenium, L. Spleenwort. 736. *A. Felix-fcemina , Bernh. Pich woodlands. Not uncommon. Aspidium, Schwartz. Shield fern. Wood fern. 737. A. Thelypteris , Schwartz. Very common in all the marsh lands about the lakes. 118 Cheney and True — Flora of Madison and Vicinity. Cystopteris, Bernhardi. Bladder fern 738. C bulbifera, Bernh. Growing on the principal rock exposures about Lakes Mendota and Monona. Local. 739. C. fragilis , Bernh. Shaded banks south of Lake Mendota. Rare. Onoclea, L. 740. 0. sensibilis , L. Sensitive fern. Moist thickets and meadows throughout the re¬ gion. Not uncommon. Osmund a, L. Flowering fern. 741. *0. regalis, L. Flowering fern. But a single small specimen of this fern has been observed. This stands on the right bank of the little stream which forms the outlet of Lake Win- gra, a few rods below the lake. 742. 0. Claytonia , L. Moist, rich woods. Not uncommon. Ophioglossace^. ( Adder’ s-tongue Family.) Botrychium, Schwartz. Moonwort. 743. B. Virginianum , Schwartz. Found in all rich woodlands, though not abun¬ dant. Ophioglossum, L. Adder’ s-tongue. 744. 0. vulgatum , L. A few specimens collected on the low, sandy ridge northeast of Lake Wingra, about fifteen rods from the lake. Lycopodiace^:. (Club-moss Family.) Lycopodium, L. Club-moss. 745. L. lucidulum , Michx. South of Fish Hatcheries. Rare. Sphdgnatece and Bryacece. 119 BRYOPH YTA. MUSCI. (THE MOSSES.) SPHAGNACEiE. (PEATMOSSES.) Sphagnum, Dill. Peat moss. 746. S. Girgensohnii , Russ. (S. strictum , Lindb. ) A small tuft of this moss was collected at the margin of a marshy meadow about one mile north of Mendota station. Rare. 747. S. molle , Sulliv. Rare, one small specimen collected at the edge of a small pond one mile east of Lake Monona. 748. S. cymbifolium , Ehrli. Only a small dwarfed tuft collected from the mar¬ gin of Lake Mendota a few rods east of Mr. Ful¬ ler’s woods. Rare. Bryacece. (True Mosses.) Phascum, Linn., in part. 749. P. cuspidatum , Schreb. On fallow ground. Common. Pleuridium, Brid. 750. P. alternifolium , Brid., in part. In pastures and clover fields. Common. Astomum, Hampe. 751. A. Sullivantii , Schimp. On ground in grass lands. Common. Gymnostomum, Hedw. 752. G. calcareum , Nees & Hornsch. On jutting rocks, south shore of Lake Mendota. Rare. 753. G. rupestre, Scbwaeger. Collected from the face of the cliff, Maple Bluff. Not common. 120 Cheney and True — Flora of Madison and Vicinity 754. - G. curvirostrum , Hedw. Common about the lakes on rocks overhanging the water. Weisia, Hedw. 755. W. viridula , Brid. Common on the ground. Hicranella, Schimp. 756. D. varia, Schimp. On the ground. Rex Magnus, Picnic Point, on Lake Mendota ; Scliuetzen Park, Lake Monona. Not common. 757. D. heteromalla , Schimp. Collected at Second Point and Merrill Springs, on Lake Mendota ; at McFarland ; and along the C. & N. W. R. R. southwest of Madison. Not un¬ common. Hicranum, Hedw. 758. D. montanum , Hedw. On decaying logs in woods north of Mendota, south and west of Madison, and east of McFarland. Not uncommon. 759. I). viride , Schimp. G-rowing on a stone close to the ground in woods along I. C. R. R. northwest of Forest Hill Ceme¬ tery. Rare. Always sterile. 760. D. flagellare , Hedw. On decaying wood in a swamp near Windsor; on a log in woods east of Madison, and in a similar place south of Madison. Not common. 761. D. scoparium , Hedw. Rich woods west of Lake Wingra, woods east of Lake Monona, tamarack swamp near Windsor, and along the • lake shore a few rods east of Fuller’s WToods. Not rare. 762. D. Bonjeani , He Not. Sterile. Typical in leaf and cells. On ground near Mendota. A form varying but slightly from the species is common in low woods at margins of marsh lands. Bryacece. 121 763. 764. 765. 766. 767. D. BonjecmM De Not., var. alatum , Barnes. On damp ground near Mendota. Rare. D . Bonjeani , De Not., var. Schlotthcmeri, Barnes. Good specimens agreeing with the type specimens of this variety in all points except the slightly larger size of the former were collected at Hook Lake. Rare. D. Schraderi , Web. & Mohr. In a tamarack swamp near Windsor. Local. D. Dnummondii , Muell. A single small tuft found growing at the edge of a shallow pond one mile east of Lake Monona. D. und alatum . Turn. Growing on the ground in woods west of Lake Wingra, along the Mineral Point road four miles west of Madison, in the woods a mile and a half northeast of Mendota, and in the woods east of Lake Monona. Not abundant. Fissidens, Hedw. 768. F. bryoides , Hedw. On damp ground in woods. Not rare. 769. F. incurvus , Schwaegr. On moist rock surfaces about Lake Mendota and on the stones in the bed of an intermittent stream two miles west of Madison. Not uncommon. 770. F. adiantoides , Hedw. Found growing on the ground in a low, wet grove four miles northeast of Madison, along the C., M. & St. P. R, R. ; east of Lake Monona; and near the I. C. R. R. northwest of the cemetery. Not common. Leucobryum, Hampe. 771. L. vulgare , Hampe. Marshy land northeast of Lake Waubesa; tama¬ rack swamp near Windsor; edge of marsh north¬ east of Mendota, and rich woods west of Lake Wingra.. Not rare. 122 Cheney and Time— Flora of Madison and Vicinity. Ceratodon, Brid. 772. C. purpureus , Brid. On the ground. Common everywhere. Leptotrichum, Hampe. 773. L. tortile , Muell. On ground and on sandstone faces at Merrill Springs. Not common. 774. L. tortile , Muell., var. pusillum , Schimp. On ground at Experiment Station Farm. Desmatodon, Brid. 775. D. arenaceus , Sulliv. & Lesq. This species occurs in abundance on the rock ex¬ posures about Lake Mendota. It was collected at the northwest extremity of Lake Kegonsa, and from the old exposures at the quarries west of Madison. Local. Barbula, Hedw. 776. B. unguiculatci , Hedw. On ground, very common, especially in low, moist soil. 777. B. fallax , Hedw. This moss grows with Desmatodon arenaceus and was collected in all localities from wThich that species was obtained. It was obtained, also, from old tombstones in Forest Hill cemetery. Local. 778. B. rnucroni folia, Bruch & Schimp. Forming cushions on ground in open woods. Near Mendota Heights ; at Second Point ; also at the lake shore east of Lakeside, and along the north¬ west shore of Lake Kegonsa. Not rare. Grimmia, Ehrh. 779. G. apocarpct , Hedw. On limestone west of Madison ; not common. 780. G. plaqiopoda . Hedw. Not rare on granitic boulders along C. M. & St. P. R. R. near Stevens’ quarries. Bryacece. 123 781. (x. Donniana , Smith. Growing on a fragment of limestone on a stony point north of C. M. & St. P. R. R. near Stevens’ quarries. Hedwigia, Ehrh. 782. H. ciliata, Ehrh. Not rare on boulders throughout the region. 783. H. ciliata, Ehrh. , var. viridis, Schimp. On granite erratic near Merrill Springs. Ulota, Mohr. 784. U. crispa , Brid. Growing on granitic boulders near C. & N. W. R. R. four miles east of Madison ; near the State Fish Hatcheries, and two miles west of Madison. Not common. Orthotrichum, Bedw. 785. 0. anomalum , Hedw. Growing on boulders near Rex Magnus; at Eagle’s Nest, and east of Lake Monona. Not common. 786. 0. cupulaturn. Hoffm. In U. W. herbarium, collected at Madison by T. J. Hale. 787. 0. affine , Schrad. On boulder beside the Mineral Point road six miles west of Madison. Rare. 788. 0. speciosum , Nees. On granitic boulders east of Lake Monona; along Mineral Point road four miles west of Madison, and near Eagle’s Nest. 789. 0. Ohioense , Sulliv. & Lesq. ? A specimen collected on the University campus which differs from the description in some minor points has been inserted under this name. 790. 0. strangulatum , Beauv. Very common on the bark of trees, on decaying logs, and occasionally on stones throughout the region. 124 Cheney and True — Flora of Madison and Vicinity . Tetraphis, Hedw. 791. T. pellucida , Hedw. On decaying stumps in tamarack swamp near Windsor. Local. Physcomitritim, Brid. 792. P. pyriforme, Brid. Common on the ground throughout the region. Funaria, Schreb. 793. F. hyyrometrica, Sibth. On ground, everywhere. Bartramia, Hedw. 794. j 8. pomiformis , Hedw. A single, small tuft collected from rock exposure near I. C. R. R. two miles west of Madison. Rare. Philonotis, Brid. 795. P. fontana , Brid. Growing in springy place at the margin of a marsh near Windsor. 796. P. calcar ea, Schimp. In a number of small calcareous springs at Mer¬ rill springs. Excellent specimens of this moss were collected, all in sterile condition. Leptobryum, Schimp. 797. L. pyriforme , Schimp. Common on ground. On limestone foundation of Library Hall, University of Wisconsin. Webera, Hedw. 798. W. nutans , Hedw. Growing on the ground at Hook Lake. 799. IF. albicans , Schimp. Growing in a wet, sandy place near the lake shore between Picnic Point and Second Point. Sterile. Rare. Bryum, Hill. 800. B. pendulum , Schimp. On ground forming cushions. Common. Bryaceve. 125 801. B. pendulum, Schimp., var. angustatum, Renauld. At the base of a tree in a small wood lot south of the I. C. R. R. near Forest Hill cemetery. Rare. 802. B. inclinatum, Bruch & Schimp. Forming small, dense cushions on the ground throughout the region. Not rare. 803. B. uliginosum, Bruch & Schimp. One small specimen collected from the wooded slope north of Hook Lake. 804. B. bimum, Schreb. Growing on sandy soil near Hook Lake. Not com¬ mon. 805. B. argenteum , Linn. Common on ground, especially in dry, sandy places. On rocky, dry hills west of Madison. 806. B. ceespiticium , Linn. A single specimen collected at Hook Lake. Not common. 807. B. roseum , Schreb. At bases of trees and on decaying wood through¬ out the region. Rather common. Rare in fruit¬ ing stage. Collected in fruit at a big spring south of Lake Wingra and in the woods west of Stevens’ quarries. Mnium, Linn. 808. M. cuspidatum, Hedw. On ground in shady places. Common. 809. M. rostratum , Schwaegr. Growing in a damp place near the edge of pond one mile east of Lake Monona. Not common. 810. M. ffiane , Bland. Shady, damp bank one mile north of Mendota Station. Low, wet woods four miles southwest of of Madison, near I. C. R. R., and muddy bank of the Yahara river just below Lake Kegonsa. Not rare. 811. M. s erratum, Laich. With M. affine, on damp, shady bank one mile north of Mendota Station. Not common. 11— A. & L. 126 Cheney and True — Flora of Madison cmd Vicinity. Aitlacomnium, Schwasgr. 4 812. A. palustre , Schwaegr. Not rare at the margins of marshes and wet mea¬ dow lands throughout the region. Timmia, Hedw. 813. T. megapolitana , Hedw. Not rare. On ground at Merrill Springs; moist, shady bank one mile north of Mendota Station, and on wet rocks at Stevens’ quarries. Atbichum, Beauv. 814. A. undulatum , Beauv. Common in open woods on ground. Variable. 815. A. cingustatum , Bruch & Schimp. On ground near lake shore, between Picnic Point and Second Point; in the woods along the I. C. R. R. Near Forest Hill Cemetery. Not rare. Polytrichum, Linn. 816. P. gracile, Menz. Collected at Eagle’s Nest. There is also a speci¬ men in U. W. herbarium, collected by S. H. Wat¬ son. Not common. 817. P. juniper mum, Willd. Abundant on ground about the lakes and on sandy wooded hillsides. 818. P. strictum , Banks. On ground at stone quarry west of Madison, and in woods at the margin of marsh along the C. M. & St. P. R. R. near Burke. Local. 819. P. commune , Linn. On ground in shady places about the lakes. Not rare. 820. P. Oliioense , Renauld & Cardot, Bot. Gaz., 1888. Collected along the shore of Lake Mendota a few rods east of Fuller’s woods. Not common. Neckera, Hedw. 821. N. pennata , Hedw. Rare, but one small specimen being found in the woods half a mile southeast of Forest Hill ceme¬ tery. Bryacece. 127 Thelia, Sulliv. 822. T. hirtellci , Sulliv. On base of trees. In woods south of Lake Win- gra. Rare. 823. T. asprdla , Sulliv. Growing on the bases of trees, on decaying stumps and logs and occasionally on the ground. Com¬ mon. Leskea, Hedw. 824. L. obscura , Hedw. Common on trees and rocks near the ground. 825. L. Austini , Sulliv. This beautiful little moss is common throughout the region. It grows in the chinks of the bark of trees, usually preferring the elm, but not uncom¬ monly found on other trees. It is not common in fruit, having been found in this condition in but one locality, the woods along the I. C. R. R. southeast of Forest Hill Cemetery. Anomodon, 826. A. 827. A. 828. A. Hook & Tayl. rostrotus , Schimp. Rather common growing on the bases of trees. attenuatus , Hueben. On bases of trees at Merrill Springs. Rare. obtusifolius , Bruch & Schimp. Our commonest species of Anomodon. It is found growing on the bases of trees in moist places. Usually sterile. Platygyrium, Bruch & Schimp. 829. P. repvns , Bruch & Schimp. On decaying logs and stumps in woods. Common. Pylais^a, Bruch & Schimp. 830. P. polyantha , Bruch & Schimp. Collected in the woods across the road from, the Wisconsin State Fish Hatchery, and from a log in the fence beside the Mineral Point road six miles west of Madison. 128 Cheney and True — Flora of Madison and Vicinity. 8dl. P. subdenticidata , Schimp. Growing on trees in the woods near Forest Hill cemetery; in woods southwest of Lake Monona, and on the lake shore near pump house, University of Wisconsin. 832. P. intricata , Bruch & Schimp. Common on trees and logs. Found also on crumb¬ ling limestone and on the ground. Cylindrothecium, Bruch & Schimp. 833. C. cladorrhizans , Schimp. Common on bases of trees, and on logs, and on rocks. 831. C. seductrix , Sulliv. On bases of trees and logs. Not so common as. C. cladorrhizans. 835. C. compressum, Bruch & Schimp. On decaying stump, Picnic Point. Very rare. Climacium, Web. & Mohr. 836. C. Americctnum , Brid. Rather common; on ground in moist woods. Usu¬ ally sterile. Fruiting abundantly in the low, wet woods about the northeastern extremity of Lake Waubesa. Hypnum, Dill. Thuidium. 837. If. minutulum , Hedw. Growing on the bases of trees in woods west and southwest of Madison. Rather local. 838. H. scitum , Beauv. Collected in small wood lot south of the I. C. R. R. near Forest Hill Cemetery. Growing on the base- of a tree. 839. H. gracile , Bruch & Schimp. Very common on the ground and on the bases of trees throughout the region. 840. H. recognitum , Hedw. On. the ground near Windsor. One tuft only was found. Rare. Bryacece. 129 841. H. delicatulum , Linn. On the ground in rich, moist woods and on the bases of trees. Common throughout the region. 842. . A. pciludosum , Sulliv. Among grass in edge of marsh near Windsor. Probably occurring often in such places. Brachythecium. 843. 844. 845. 846. 847. 848. 849. H. Icetum , Brid. On the ground; common on damp, shady banks. Very variable. H . acuminatum , Beauv. Very common at the roots of trees. H. salebrositm , Hoffm. Growing on the ground in moist, shady places. Common. H. salebrosum , Hoffm., var. palustre , Lesq. & James. In marshes, growing among the grass. Merrill Springs. Marsh south of Madison. H. acutum , Mitt. Pound growing at the edge of small marsh along the C., M. & St. P. R. R. near Burke, and at Washburn Springs. Not common. If. rutabulum , Linn. A single specimen found on the ground in low, wet thicket along the Montfort branch of the C. & N. W. R. R. two miles southwest of Madi¬ son. Rare. Eurhynchium. II. hians, Hedw. Collected at the margin of a small marsh near the Montford branch of the C. & N. W. R. R. two miles southwest of Madison. Not rare. Rhynchostegium. , 850. H. serrulatum , Hedw. In open woods, forming patches at base of trees, and on the ground. Common throughout the region. Plagiothecium. 130 Cheney and True — Flora of Madison and Vicinity . 851. H. sylvcdicum , Huds. Growing on the ground in woods on the left bank of Yahara river, three miles northeast' of Men- dota, and on the ground in thicket northeast of Lake Monona; Not common. 852. H. denticulatum , Linn. Common on the ground and decaying wood in moist woods. Amblystegium. 853. H. serpens , Linn. On the ground, everywhere. 854. H. radicate , Beauv. Plants agreeing quite closely with the European Amblystegium are common throughout the region. It is probable, however, that they will prove to be A. vctrici. 855. H. orthocladon , Beauv. Specimens of this plant were collected at Wash¬ burn Springs, along the lake shore east of Fuller’s woods, east of Lake Monona and at McFarland. Not common. 856. H. irriguum , Hook. & Wils. Growing on the ground about Washburn Springs and about the large springs on the south side of Lake WTingra. Not common. 857. IT. irriguum , Hook. & Wils., var. spinifolium , Lesq. & James. In most calcareous springs throughout the region. Collected in the fruiting stage in a large spring south of Lake Wingra and in one of the springs* on the south side of the lake. 858. H. adnatum , Hedw. Growing; on stones and at the bases of trees in woods. Not rare. 859. H. compactum , Muell. On calcareous soil at the base of Maple Bluff- Fare. Bryacece. 131 860. H. riparium , Linn. In wet places on stumps, logs, sticks, etc. Near lake shore, McFarland, and at the edge of pond near Mineral Point road, six miles west of Madi¬ son. 861. II. riparium , Linn., var. , flaccidam , Lesq. & James. G-rowing with the species and mnch more com¬ mon. Distributed throughout the region. Campylium. 862. H. hispidulum , Brid. Growing on the bases of trees and on the ground in all the woods of the region. 863. H. chrysopliyllum , Brid. This plant is not uncommon about the quarries and on sandy soil west of Madison. 864. II. stellatum , Schreb. Collected at the edge of a marsh one mile north¬ east of Mendota Station and in the marsh west of University Bay. Not common. Harpidium. 865. H. aduncum , Hedw. , car. polycarpum , Bruch & Schimp. Collected from a large spring south of Lake Win- gra. One of the less common varieties of this species. 866. H. aduncum , Hedw., var. gracilescens , Bruch & Schimp, Very abundant in spring ground at Merrill Springs. Somewhat local. 86-7. H. aduncum , Hedw., var. tenue , Bruch & Schimp. Several specimens of this variety were collected near the Wisconsin State Fish Hatchery. It is doubtless common in low meadows. 868. If. aduncum , Hedw., var. hamatum , Lesq. & James. The form that we have listed as this variety is very abundant in all submerged marsh land along the lakes, and in ditches along roads and rail¬ roads, and has a wide range of variation. 132 Cheney and True — Flora of Madison and Vicinity. 869. H. uncinatum , Hedw. Of this plant only one small tuft was collected. This was found on a decaying log beside the road six miles west of Madison. Rare. 870. II. filicinum , Linn. On the ground in a bog at Merrill Springs. Grow¬ ing with Philonotis calcarea. Rare. Ctenium. 871. H. crista-castrenis , Linn. On the ground in woods at the margins of swamps. Widely distributed. Rare in fruit. Hypnum. 872. 873. 874. 875. 876. H. reptile , Michx. Forming wide, close-adhering patches on granitic rocks. Everywhere. H. imponens , Hedw. Collected on a log near the road from Stoughton to Oregon, five miles east of the former place. Rare. H. cupressiforme , var. A few small specimens of this moss were found at the Wisconsin State Fish Hatchery. Not com¬ mon. II. Haldanidnum , Grev. Woods near lake shore one mile east of the vil¬ lage of Pheasant Branch. Growing on a log. Not common. H. arcuatum , Lindb. This is one of our commonest mosses. It forms wide mats in marshy meadows and in low, wet woods. Not common in fruiting condition. Calliergon. 877. H. cuspidatum , Linn. In marsh west of Lake Wingra. Rare. 878. H. Schreheri , Willd. Growing with H. crista-castrensis. Less common. Rare in fruit. Hylocomium. Hepciticce. 133 879. H. triquetrum , Linn. 'With the preceding. Much less common. Usually sterile. HEPATIC2E. (LIVERWORTS.) JtlNGERMANNIACEiE. (SCALE MOSSES.) Erullania, Raddi. 880. F. Ehoracensis , Lehrn. G-rowing on north side of trees. Common through¬ out the region. 881. F. Asagrayana , Mont. With the preceding. Less common. Porella, Dill. 882. P. platyphylla , Lindb. On stumps and rocks and at the base of trees in moist places. Common. Ptilidium, Nees. 883. P. ciliare, Nees. A small specimen was collected along Mineral Point road six miles west of Madison. Rare. Lophocolea, Dumort. 884. L. bidentata , Dumort. On decaying wood in moist places. Not rare. Anthocerotace^e. (Horned Liverworts.) Anthoceros, Micheli. 885. A. loevis, L. G-rowing on the ground in moist, grassy places and on wet rocks. Not rare. Notothylas, Sulliv. 886. JY. orbicularis , Sulliv. G-rowing on the ground with the preceding. Marchantiaceje. (Liverworts.) Marchantia, Marchant. f. 887. M. polymorpha , L. In damp, shady places; very common everywhere. 184 Cheney and Trite — Flora. ; of Madison and Vicinity. Preissia, Nees. 888. P. commutata , Nees. On overhanging rocks about Lake Mendota. Conocephalus, Neck. 889. C. conicus , Dumont. Very abundant on the faces of cliffs about the-- lakes, near the water, and not rare on the ground in wet places. Rare in fruit. Asterella, Beauv. 890. A. hemisphcerica , Beauv. On overhanging rocks about Lake Mendota. Grimaldia, Raddi. 891. G. barbifrons , Bisch. On the ground on dry, gravelly hillsides. Wingra- Lake; ridge and hills near quarry two miles south of Madison. Ricciaceas. Riccia, Micheli. 892. R. arvensis , Aust. - Growing on ground in cultivated field. Common. 893. R. fluitans , L. In springs about the lakes. Local. 894. R. natans , L. In the quiet parts of the lakes and throughout the region. in ponds Additions and Corrections. 135 ADDENDA. Lechea, Kalm. Pinweed. 895. L. minor , L, Sandy knoll south of Eagle’s Nest. 896. Vaccmium macroccirpon , Ait. Large or American cranberry. Peat bog, Sec. 36, town of Madison. 897. TJlmus racemosa , Thomas. Corky white elm. Governor ’s Island. Rare. 898. Pellcea gracilus , Hook. On a damp sandstone exposure near Eagle’s Nest. Rare. 899. Lycopodium clavcitum , L. Common club-moss. A single specimen found on the northwest shore- of Hook Lake. Rare. 900. Leskea polycarpa, Ehrh. On decaying wood south of Forest Hill Cemetery Not rare. ERRATA. On page 52, instead of POLYPETAL2E, read DICOTYLE- DONES. On page 52, instead of DICOTYLEDONES, read POLY- PETALS. Kinley — The Direction of Social Reform . 137 THE DIRECTION OF SOCIAL REFORM. By David Kinley, Madison. With the classification of Sociology as a department of Biology, an important change has been wrought in the com¬ mon view of the nature and mode of growth of society. The “social body” is regarded as, in some sense, an organism developed under varying conditions from pre-existent forms. It is now recognized that social progress consists in a con¬ tinual readaptation to changed and changing environment, the nature of which is such as to produce a more complex structure, or an organism of higher order. The nature of the institu¬ tions of a people depends, as is now well understood, on the character of the people, on climate, mode of life, and a score of lesser influences. The changes of conditions, or environment, which hitherto have induced changes in the social structure, have been in the main spontaneous. They have not, generally speaking, been the result of a preconceived purpose on the part of men to- attain an ideal. Whatever changes men have made have Deen,. so to speak, remedial rather than formative; to meet present exigencies rather than to construct a new social fabric. The result of human action has been to put experience into laws,, which roughly mark the boundaries of civilization rather than constitute its expansive force. In short, “blind evolution” has been the chief motive power of change. As, however, knowledge of the laws underlying human life in society in¬ creases, it should become more and more possible for men to guide these laws for the accomplishment of a preconceived pur¬ pose; so to change the conditions under which they operate as to direct their movement to the attainment of an ideal. Social and economic conditions have come to be, in a large and an increasing degree, under human control. The change 138 Kinley — The Direction of Social Reform. of the environment is no longer the result of forces wholly unreg¬ ulated by human action, but of forces working under conditions imposed by the will of man. In the one set of circumstances, social problems worked themselves out under the law of sur¬ vival of the fittest; in the other, they are worked out by the establishment of conditions which will evolve, or create, the life or organism which is deemed to be the fittest. They formerly fought themselves out, now they may be thought out. That is to say, reform is added to spontaneous evolution as a means of social progress. But reform is itself evolutionary It is but evolution under guidance. The spontaneous evolution is purposeless, at least so far as man is concerned; reform is purposeful. One is unconscious; the other, conscious. Yet both are evolution. For man cannot prevent the operation of natural laws. He can only guide, control, direct them. All his efforts to consummate his purpose must be under their operation. The laws themselves remain, but the conditions under which they operate may change or be changed, so as to produce different results. This is a general truth. It is true in physics as well as in sociology. The electric current which under one set of conditions turns machinery, under another gives us light. It is the same current, generated and flowing under the operation of the same laws, but through a different medium. So the sociologist, or the practical economist, may so adjust the conditions of taxation, for example, as to produce very varied social results. Yet the same general laws directing the “incidence of taxation” will still operate. Taxa¬ tion, like any other force, follows the line of least resistance. “Taxation may create monopolies or it may prevent them; it may diffuse wealth or it may concentrate it; it may promote liberty and equality of right or it may tend to the establish¬ ment of tyranny and despotism; it may be used to bring about reforms or it may be so laid as to aggravate existing griev¬ ances and foster dissension and hatred between classes ; taxa¬ tion may be so contrived by the skilful hand as to give free scope to every opportunity for the creation of wealth or for the advancement of all true interests of states and cities, or it Some Mistakes of Social Reformers. 139 may be so shaped as to place a dead weight on a community in the race for industrial supremacy.”* At this point, as it seems, practical economists and social reformers are in dangeh of making two mistakes. In the first place, the language used to deny economic perpetualism and ■cosmopolitanism seems, in some instances, rather strong. The idea has at times been conveyed that economic Icnos are varia¬ ble; that the laws underlying the economic and social develop¬ ment of one time or nation, are different from those by which the life of another time or nation has been moulded. But this, surely, is a false view. Economic laws, properly consid¬ ered, are ‘‘natural laws” or laws of nature, for they are expres¬ sive of relations of cause and effect. Given the same economic or social conditions, the same results must follow. Such are the “laws” of physics, of chemistry, and of every other •science. The law of gravitation tells us that a body is attracted to the earth with a force that varies as the mass and the inverse square of the distance. The fact that a body of given dimensions has a different weight at the sea-level on the equator from what it has on the same level at the poles, does not prove the law false or inoperative. Other factors have entered the problem. It is the same law acting under different conditions — the law constant and universal, the media through which it operates, variable, temporary or local. So of economic and social laws. They are as truly “natural” as the laws of physics in their universality of time and place. But national characteristics and institutions differ; geographical, climatic, and natural industrial opportunities and conditions differ. And so the same laws work out different results. There are “diversities of operations,” but the same laws. The other mistake, which is really a corollary of this one, consists in the application of empirical plans for the cure of social ills. Two features of the present period will strike the future historian with astonishment. One is the great number ■ of schemes proposed for social reform ; the other, the large number of intelligent and educated people who believe in one *Ely: Taxation in American States and Cities, p. 55. 140 Kinley — The Direction of Social Reform. or another of them. The wrecks of these schemes strew the world’s pathway for more than a generation, though most of them contain some of the elements necessary to success. The very fact of their conception and existence, the very fact that, they have been so earnestly believed in by so many intelligent people, emphasizes the fact of the existence of a social question more than could be done by any recital of its causes or its details. On the other hand, the fact that so many of these schemes have been shattered on the hard rocks of real life is the best of evidence that they did not conform to the conditions of social growth. It is not enough for successful reform that wrong exists. It is not enough that the wrong is recognized, or that plans are made for its removal or its cure. The plans them¬ selves must be framed in conformity with the laws of social growth if it is desired to construct them so as to insure suc¬ cess. To do so requires the scientific consideration of the mode of development of social life. Reform must learn from evolution. Present conditions are not absolute. Society is a. growth, its life, a continuity. The present depends on the past, is conditioned by the past. Any new institution, then,, must have a vital historical connection with those already existing. To attempt to introduce one under any other circum¬ stances would be like trying to set a house on a new foundation without regard to the size, shape or strength of the foundation. The inevitable result of any such attempt is to produce social jars, discontent, and wrong. This is not mere theory. It has been proved in history again and again. One of the most notable instances is the settling of the English legal and land-tenure systems on India. The law of Hindoo society is so unlike that of England that it could not, so to speak, be squeezed into the English legal framework without great in¬ justice and distress. It is too vague to conform to English strict legal formulas. Sir Henry Maine says, on this subject: There is no doubt that the establishment of a tribunal on similar principles [as the English courts] would now-a-days be regarded as a measure of the utmost injustice and danger.”* * Village Communities, p. 37. Adaptation of New Institutions to Existing Conditions. 141 Maine recalls Macaulay’s description, in his essay on Warren Hastings, of the consternation caused in India by the introduc¬ tion of the English courts. The injustice in the case described1 by Macaulay was not that the prisoner did not have a fair trial from the point of view of English law; it was that “the introduction of the law under which he suffered was felt as a- general grievance. ” The historical explanation of the friction was that in India law had not yet become differentiated from religion, certainly not to the same extent as in England. English legal develop¬ ment was far in advance. As to the system of land tenure, the English, being accus¬ tomed to large- estates and great landlords, made the mistake of supposing that the same must exist in India. Neglecting the actual historical conditions they instituted such a system., conferring the large estates on tax gatherers, or “zemindars,” as the class most nearly corresponding do the English land¬ lords. The purpose was to put an end to the irregular exac¬ tions to which the peasants had long been subjected. The opportunity to establish a system “worthy to be ranked among the noblest that were ever taken for the improvement of any country” was blindly thrown away. The measure adopted proved a total failure, in its main feature. Its promoters were unaccustomed to allow for modification in the operation of new institutions under the influence of pre-existing conditions. Similar results followed the attempt of our own forefathers to impose their systems of law and morals on the Indians.* This same lack of adaption of the new to the old institutions is the reason that so many laws are unenforced. To be effective, a law must express the opinions of a majority, at least, of the people. Law can never be far in advance of public opinion, if it is to be enforced. It may be somewhat in advance ; and it must be so, if it is to be a means of education. But it cannot serve this purpose unless it is expressive of the opinion of at least a respectable minority. Any new system, whether legal, social, economic or politi¬ cal, must have reference, in the first place, to the character of *See Weeden’s Economic History of N. E., Vol. I, p. 27 f£. ; also II, pp. 715 and 728. 12 - A. & L. 142 Kinley — The Direction of Social Reform. the people. Our forefathers showed their character in their refusal to submit to taxation without representation. £ sp. Madison. (Seymour.) Racine. Ramularia astragali, Ell. & Holway. On Astragalus Canadensis , L. Racine. Not common. Ramularia barbare^e, Peck. On Barbarea vulgaris , R. Br. Clinton Junction. Ramularia brunell^e, E. & E. On Brunella vulgaris , L. Racine. The spotted leaves are very common and abundant, but the conidial tufts are sparingly developed. Ramularia decipiens, E. & E. On Rumex obtusifolius , L. Racine and Sharon. Additional Species . 173 376. 377. 378. 379. 380. 381. 382. 383. 384. 385. 386. 387. Ramularia desmodii, Cke. On Lespedeza , sp. Racine. Ramularia dioscore^e, E. & E. On Dioscorea villosa, L. Racine. Not uncom¬ mon. Ramularia hamamelidis, Peck. On Hamamelis Virginiana , L. Racine. Rather abundant. Ramularia impatientis, Peck. On Impatiens pallida, Nutt. Madison. (Seymour.) Impatiens , sp. Kenosha county. Ramularia lysimachi^g, Thum. On Steironema ciliatum , Raf. Racine. Rare and scarce. Ramularia Occident alis, E. & E. On Rwnex , sp. Racine. Not common. Ramularia oxalidis, Earl. On Oxalis. Bayfield. ( Hoi way. ) Ramularia prini, Peck. On Ilex verticillata , Gray. Racine. Abundant. Ramularia reticulata, E. & E. On Osmorrhiza , sp. Waterford. Rare and scarce. Ramularia rosea, (Fckl. ) Sacc. On Salix rostrata , Richards. Racine. Abundant. Ramularia rudbecki^e, Peck. On Rudbeckia laeiniata , L. Racine. Very com¬ mon and abundant. Ramularia rufomaculans, Peck. On Polygonum aviculare , L. , and P. Muhlenbergiiy Watson. Racine. On Polygonum Muhlenbergiiy Watson. Kansasville. A Ramularia which was found growing abundantly on buckwheat ( Fag - opyrum esculent urn y Moench. ) in Kenosha county appears to belong here, but there is an entire absence of spots. 14— A. & L. 174 Davis — Wisconsin Parasitic Fungi. 388. Ramularia taraxaci, Karst. On Taraxacum officinale , Weber. Racine and Shar¬ on. Common. 389. Ramularia variabilis, Fckl. On Verbascum Thapsus , L. Racine. Not un¬ common. 390. Ramularia veronica, Fckl. On Veronica serpyllifolia, L. Racine. Not on F. p>eregrina as first reported. (Journ. Mycol., IV-1.) 391. Ramularia viburni, E. & E. On Viburnum Lentago , L. Racine. Rare and scarce. 392. SCOLECOTRICHUM GRAMINIS, Fckl. On Dactylis glomerata , L. Madison. (Trelease. ) On Plileum pratense , L. Racine. 393. SCOLECOTRICHUM MACULICOLA, E. & Kell. On Phragmites communis , Trin. Racine, abundant. Rather 394. Septocylindrium ranunculi, Peck. On Ranunculus abortivus , L. Racine. Rather common. 395. Septoria eegopodii, Desm. On Osmorrhiza longistylis , DC. Racine. Rare. 396. Septoria agrimonies, Roum. (?) On Agrimonia Eupatoria , L. 22-28x1.5 microns. Sharon. Spores 397. Septoria agropyri, E. & E., On Agropyrurh repens , Beauv. Racine. 398. Septoria albaniensis, Thum. On Salix Incida, Muhl. Racine. Common and abundant. 398a. Septoria albicans, E. & E. On Saxifraga Pennsylvania , L. Genoa Junction. 399. Septoria asclepiadicola, E. & E. On Asclepias incar nata, L. Racine and Genoa Junction. Common. Additional Species. 175 400. Septoria astericola, Ell. & Evht. On Aster sagittifolius , Willd. Racine. 401. Septoria atropurpurea, Peck. Cn Aster macrophyllus , L. Racine. 402. Septoria aitrea, E. & E. On Ribes aureum , Pursh. (cult.) Racine. 402 a. Septoria betul^e, (Lib.) West. On Betula papyrifera, Marsh. Three Lakes. 403. Septoria campanula, (Lev.) Ellis. On Campanula Americana , L. Madison. (Sey¬ mour. ) Kenosha county. 404. Septoria canadensis, Ell. & Davis. On Solidago Canadensis , L. Racine and Sharon. 405. Septoria caricinella, Sacc. & Roum. On Carex cephaloidea , Boott and Carex , sp. Ra¬ cine. Not scarce. 406. Septoria cerastii, Rob. & Desm. On Cerastium , sp. Lake Geneva. Racine. 407. Septoria cirsii, Niessi. On Cnicus arvensis , Hoffm. Racine. Rather common and abundant. 408. Septoria conspicua, Ell. & Martin. On Steironema ciliatum, Raf. Racine. Common and abundant. 409. Septoria cornicola, Desm. On Cornus sericea, L. Madison. (Seymour.) On Cornus cdternifolia , L., and C. paniculata , L’Her. Racine. C. alternifolia , L. Lake Geneva. Com¬ mon. 410. Septoria corylina, Peck. On Corylus rostrata) Ait. Three Lakes. 411. Septoria crat^gi, Kickx. On Crataegus tomentosa , L. Racine. Not com¬ mon. 176 Davis — Wisconsin Parsitic Fungi. 412. Septoria cryptot^ni^, Ell. & Ran. On Cryptotoenia Canadensis , DC. Madison. (Sey¬ mour.) Racine. Very common and abundant. Septorix samculoe , E. & E., should doubtless be placed here, the host plant having been erro¬ neously determined. 413. Septoria cucurbit ace arum, Sacc. On leaves of musk melon ( Cucumis Melo , L. ) Ra¬ cine. This was observed to be rather abundant in that portion of a musk melon patch that was. shaded from the west by a windbreak of trees. 414. Septoria diervill^e, E. & E. On Diervilla trificla, Moench. Racine. 415. Septoria epilobii, West. On Epilobium color atum, Muhl. Madison. (Tre- lease and Seymour. ) 416. Septoria fusariospora, E. & E. On Erigeron strigosus , Muhl. Waterford. 417. Septoria helenii, E. & E. On Helenium ciutumnale , L. Racine. Common. Occasionally the perithecia are formed on large, ill-defined, discolored areas instead of definite spots. 418. Septoria helianthi, Ell. & Kell. On Helianthus strumosus, L., H. annuus , L., H. grosse-serratus , Martens, and other species. Ra¬ cine. “On young seedling Helianthus , perhaps H. grosse-serratus." Madison. (Trelease.) Com¬ mon and abundant. Sometimes hypophyllous. 419. Septoria increscens, Peck. On Trientalis Americana , Pursh. Racine and Three Lakes. 420. Septoria intermedia, E. & E. On Solidago. Racine. Rare. 421. Septoria lactuca^:, Pass. On Lactuca Scariola , L. Waukesha. Additional Species. 177 422. Septoria lapparum, Sacc. On Lappa. Madison. (Trelease and Seymour. ) 423. Septoria leptqstachya, Ell. & Kell. On Phryma Leptostachya , L. Madison. (Sey¬ mour.) Racine. Abundant. 424. Septoria lobelia, Peck. On Lobelia syphilitica. Racine and G-enoa Junc¬ tion. On L. spicata , Lam., L. cardinalis , L., and L. inflata , L. Racine. Common. 425. Septoria ludwigl®, Cke. On Ludwigia palustris, Ell. Racine. 426. Septoria lysimachi^e, West. On Steironema longifolium , G-ray. Delavan and Racine. Rather scarce. 427. Septoria melandrii, Pass. On Lychnis vespertina , Sibth. Racine. Rare. 428. Septoria mimuli, E. & Kell. On Mimulus ringens, L. Racine. Not rare. 429. Septoria nepetje, E. & E. On JSfepeta Cat aria, L. Kenosha county. Col¬ lected but once and in small quantity. 430. Septoria noctiflorje, E. & Kell. On Silene noctiflora , L. Racine. Rare. Mr. Ellis thinks this may prove to be identical with S. saponarice, (DC.) 430a. Septoria ostyra, Peck. On Ostrya Virginica , Willd. Racine. 431. Septoria pachyspjra, E. & Hoi way. On Xanthoxylum Americanum , Mill. Racine. No colored border to the spots in my specimens from Racine. Not scarce in the single station known to me. 178 Davis — Wisconsin Paras:tic Fnugi. 432. Septoria paonia, West. (?) On Pceony. Madison. (Pammel, com. Trelease.) 433. Septoria passerinii, Sacc. On Horcleum jubatum , L. Racine. Apparently not common. 434. Septoria physostegice, E. & E. On Physostegia Virginiana , Benth. Racine. 435. Septoria pile,®, Thum. On Pilea pumila , Gray. Racine. 436. Septoria plantaginis, Pass. (?) On Plantago major, L. Madison. (Trelease.) 437. Septoria podophyllina, Peck. On Podophyllum peltatum, L. Racine. Common. 438. Septoria prenanthis, E. & E. On Prenanthes , sp. Racine. Not uncommon. 439. Septoria psilostega, E. & Martin. On Galium. Racine. 440. Septoria ptelea, E. & E. On Ptelea trifoliata , L. Racine. Rather abun - dant on the few host plants known to me. 441. Septoria rhuina, B. & C. On Rhus glabra , L. Kansasville. Not scarce. 442. Septoria sambucina, Peck. On Sambucus Canadensis , L. Racine. Not abun¬ dant. 443. Septoria saponaria, (DC.) On Silene antirrhina , L. Kansasville. 444. Septoria Scutellaria, Thum. On Scutellaria galericulata , L. Wind Lake, Ra¬ cine county. S, lateriflora, L., Racine. 445. Septoria sicyi, Peck. On Echinocystis lobata , Torr. & Gr. Racine. Not common. 446. Septoria sii, Rob. & Desm. On Sium cicutcefolium , Gmel. Burlington and Racine. Not uncommon. Additional Species. 179 447. Septoria silenes, West. On Silene noctiflora , L. Racine. Rare. 448. Septoria silenicola, Sacc. On Silene stellata , Ait. Racine. Rare. 449. Septoria smilacin^e, E. & M. 450. On Smilacina. Racine. Septoria solidaginicola, Peck. On Solidago serotina , Ait., S. Canadensis , L., and Aster Shortii, Hook. Racine. Common and abun¬ dant. 451. Septoria speculari^e, B. & C. On Speculama perfoliata, A. DC. Kansasville. 452. Septoria spiculosa, E. & Holway. On Symplocarpus foetidus , Salisb. Racine and Lake Geneva. Rather common. 453. Septoria stachydis, Rob. & Desm. On Stachys aspera, Michx. Racine. Not scarce. 454. Septoria stellari^e, Rob. & Desm. On Stellaria media , Smith. Racine. Not com¬ mon. 455. Septoria trillii, Peck. On Trillium erectum , L. , T. cernuum , L., T. gran - diflorum , Salisb., and T. reciirvatum , Beck. Ra¬ cine. Common. On the white flowered species the spots are larger, more irregular in shape, and nearly black, but when mature with a gray center. 456. Septoria umbelliferarum, Kalch. On Cicuta maculata , L., and Tiedemannia rigid a, Coult. & Rose. Racine. 457. Septoria verbena, Rob. & Desm. On Verbena hastata , L., and V. urticcefolia. L. Racine. Common. 458. Septoria veronica, Desm. On Veronica arvensis , L. Racine. Rather abun¬ dant. Specimens on V. Virginica , L. , collected at Racine and Sharon, are referred here with some doubt by Mr. Ellis. 180 Davis — Wisconsin Parasitic Fungi. 459. 460. 461. 462. 463. 464. 465. 465a. Uredine^e. Uromyces po.e, Rabh. Uredo- and teleutospores on Glyceria fluitans , R. Br. Racine. Referred here by Prof. Charles H. Peck. Not scarce in a single station now nearly destroyed by pasturing. Uromyces scirpi, Burrill. Teleutospores on Scirpus fluviatilis , Gray. Ra¬ cine. Not scarce. PUCCINIA ANGUSTATA, Peck. Uredo and teleutospores on Scirpus atrovirens , Muhl., and Eriophorum lineatum , B. & H. Ra¬ cine. Not uncommon. Puccinia CARTCis-STRiCTiE, Dietel., ( Uromyces caricis , Peck.) Uredo and teleutospores on Car ex gracillima , Schw. Berryville. Puccinia cypert, Arthur. Teleutospores on Cy perns striyosus, L. Genoa Junction and Kansas ville. The specimens re¬ ferred to Puccinia caricis , (Schum. ) in the Pre¬ liminary List, collected on Cyperus Schweinitzii , Tom, at Madison (Trelease), LaCrosse and Honey Creek (Pammel), should now be referred here. (J. C. Arthur, Botanical Gazette, XVI — 8-226.) Puccinia eleocharidis, Arthur. A few sori on a single plant of Eleocharis , sp. indet . , were found near Kansas Mile. Puccinia mari^-wilsoni, Clinton. HCcidium and teleutospores on Claytonia Virgin- ica , L. Racine. Not common. Puccinia mesomegala, B. & C. On Clintonia borealis , Raf. Bayfield (Hoi way). Additional Specps. 181 466. Puccinia obtecta, Peck. Uredo and teleutospores not uncommon on Scirpus lacustris , L. , at Racine. Abundant along the shores of Eagle Lake near Kansasville on Scirpus pungens , Vahl. 467. Puccinia porphyrogenita, Curtis. On Cornus Canadensis , L. Bayfield (Holway. ) 468. Puccinia proserpinac^e, Farlow. On Proserpinaca palustris , L. Racine. A single station where it is somewhat abundant. 469. Puccinia spreta, Peck. On Mitella dipliylla , L. Racine. I am indebted to Prof. C. H. Peck for the determination. 470. Puccinia sanicul^e, G-rev. iEcidium, uredo and teleutospores on Sanicula Marylandica, L. Racine. Rare and scarce. 471. Puccinia saxifrage, Schl. On Heuchera Americana , L. Madison. (H. L. Russell. ) 472. Puccinia suaveolens, (Pers.) Rostrup. Spermogonia, uredo and teleutospores on Cnicus arvensis , Hoffm. Racine. Common. 473. Puccinia veronicas, (Schum.) Winter. Teleutospores on Veronica Virginica , L. Racine. Rare and scarce. 474. Triphragmium clavellosum, Berk. On Aralia. Bayfield. (Holway.) 475. Coleosporium yiburni, Arthur. On Viburnum Lentago , L. Uredo and teleuto¬ spores. Racine. Not common, but sometimes rather abundant. 476. Chrysomyxa ledi, (A. & S.) DBy. Uredo on Ledum Icttifalium , Ait. Three Lakes. Abundant 182 Davis — Wisconsin Parasitic Fungi. 477. Cronartium asclepiadeum, Kze., var. Thesii, B. On Comandra umbellata , Nutt. Racine. 478. Melampsora epilobii, (Pers.) Fckl. Uredo on Epilobium color atum, Muhl. Racine. Not uncommon nor scarce. 479. Melampsora sparsa, Winter. On Arctostaphylos uva-ursi, Sprengel. This has not been compared with authentic specimens, but, is probably correctly placed. From my experi¬ ence in collecting it I am led to think the specific name a very appropriate one. Three Lakes. 480. Uredo Cassandra, Peck & Clinton. On Cassandra calyculata , Don. Three Lakes. Abundant. 481. .ZEcididium actae^e, (Opiz. ) Wallr. On Actaea , sp. Baraboo. (True, com. Trelease.) Racine. Rare. 482. iEciDIUM CLEMATIDIS, DC. On Clematis Viryiniana, L. Racine. Not scarce. 483. tEcidium nesae^e, Gerard. On Decodon verticillatus , Ell. Genoa Junction. Rare. 484. iEciDiUM hydnoidetjm, B. & C. A single sorus was found on a leaf of Dirca pal- ustris , L., at Three Lakes. 484a. tEcidium porosum, Peck. On Vida Americana , Muhl. Racine. Rather abundant. 485. 2Ecidium rhamni, Gmel. This species, the supposed secidial stage of Puc - cinia coronata, Corda, was found in small quan¬ tity near Racine and in abudance near Wind Lake, in Racine county, on Pliamnus alnifoliar L’Her. Additional Species. 183 Entomophthoee^e. 486. Empusa grylli, Fres. “Very common at Madison on Caloptenus — Tre- lease. USTILAGINE^E AND ALLIES. 487. Entyloma floerke^e, Holway. On FloerJcea proserpinacoides, Willd. Racine. Abundant, but conidia scarce. 488. Entyloma sanicul^:, Peck. On Sanicula Marylandica , L. Racine. Rather common, but, as with the preceding species, the conidia are scarce. 489. Protomyces fuscus, Peck. On Hepatica acutiloba, PC. Racine. On Hepat- ica triloba, Chaix. Waterford. Rare. 490. Protomyces macrosporus, Unger. A few sori, agreeing with the description of this species, were found on the stem of Gicuta macu- lata, L., near Kansasville. ■ Although the host was abundant, no more was found after consider¬ able search. 491. Ttjbercinia trientalis, B. & Br. On Smilacina. Racine. Found but once. 492. Txtberculina persicina, Pitm. On AJcidium impatientis, Schw. Racine. Rare. 493. Urocystis waldsteini^e. Peck. On Waldsteinia fragarioides, Tratt. Three Lakes. SCLEROTIA. 494. SCLEROTIUM NERVALE, A. & S. On Viola pubescens, Ait. Berryville. Rare and scarce. 495. Puring one season a grey, globular sclerotium was very common on large compositae, Silphium, Heli- anthus, etc., falling from the leaves when full 184 Davis — Wisconsin Parasitic Fungi. grown. In spite of its abundance that year I have not seen it since. In 1892 a similar sclero- tium wras observed on Calamogrostis Canadensis , Beauv. , at Berry ville, which distorted the plants in a peculiar manner. The affected leaves were curled longitudinally, beginning at the tip which dropped to the leaf below, where it was firmly held by the unrolling of the under leaf. The scler- otia were cinereous, globular, about 2 mm. in diameter, and were enclosed in the rolled up leaf. Index to Hosts. 185 INDEX TO HOSTS. Acer dasycarpum, 291. Acer saccharinum, 34, 44, 291, 326, 346. AciTda 'tuberculata, 6. Actaea, 481. Agrimonia Eupatoria, 17, 45, 281, 396. Agropyrum repens, 397. Allium Canadense, 349. Alnus incana, 44. Alopecurus geniculatus, 200. Althaea rosea, 296. Ambrosia trifida, 48, 256. Amelanchier Canadensis, 328. Ampelopsis quinquefolia, 297, 332, 358. Amphicarpaea monoica, 303a. Andorpogon furcatus, 172. Anemone nemorosa, 263. Angelica atropurpurea, 331. Apios tuberosa, 318. Apocynum androsaemifolium, 322. Apples, 340. Aquilegia Canadensis. 49, 137. Arctostaphylos uva-ursi, 479. Aralia, 474. Asclepias Cornuti, 299. Asclepias incarnata, 299, 399. Asclepias phytolaccoides, 299. Aspidium Thelypteris, 341. Asprella Hystrix, 199. Aster corymbosus, 48. Aster macrophyllus, 401. Aster puniceus, 48. Aster sagittifolius, 13, 48, 400. Aster Shortii, 450. Aster umbellatus, 357. Astragalus Canadensis, 49, 372. Atriplex patulum, 95. Avena sativa, 249. Barbarea vulgaris, 373. Berberis vulgaris, 336. Betula papyrifera, 44, 402a. Bctula pumila, 40. Bidens chrysanthemoides, 10. Bidens frondosa, 242. Bromus ciliatus, 170, 199. Brunella vulgaris, 374. Cakile Americana, 4. Oalamogrostis Canadensis, 171, 199, 494. Caloptenus, 486. Campanula Americana, 403. Cardamine rhomboidea, 16, 126. Carex cephaloidea, 405. Carex gracillima, 462. Carex, 405. Carpinus Caroliniana, 40, 345. Carya, 44, 77. Cassandra calyculata, 480. Celastrus scandens, 40. Cenchrus tribuloides, 253. Ceplialanthus occidentali’s, 278. Cerastium, 350, 406. Cicuta maculata, 323, 456, 490. Claytonia Virginica, 465. Clematis Yirginiana, 47, 49, 317, 482. 186 Davis — Wisconsin Parasitic Fungi . Clintonia borealis, 465a. Cnicus arvensis, 5, 407, 472. Comandra umbellata, 477. Cornus alternifolia, 409. Cornus Canadensis, 467, Cornus paniculata, 288, 409. Cornus sericea, 292, 409. Cornus stolonifera, 44, 288. Corylus Americana, 338. Corylus rostrata, 410. Crataegus coccinea, 243. Crataegus oxyacantha, 43. Crataegus punctata, 329. Crataegus tomentosa, 43, 243, 411. Crataegus, 329, 356. Cryptotaenia Canadensis, 412. Cucumis Melo, 413. Cyperus Schweinitzii, 463. Cyperus strigosus, 463. Dactylic glomerata, 392. Decodon verticillatus, 483. Dentaria laciniata, 16, 126. Desmodium, 360. Diervilla trifida, 414, Dioscorea villosa, 377. Dirca palustris, 484. Eatonia Pennsylvanica, 199. Echinocystis lobata, 445. Eieocharis, 464. Elodes campanulata, 158. Elymus Virginicus, 199. Epilobium coloratum, 280, 304, 415, 478. Erigeron annuus, 91. Erigeron Philadelphicus, 130. Erigeron strigosus, 416. Erigeron, 130. Eriophorum lineatum, 461. Eupatorium ageratoides, 69. Eupatorium perfoliatum, 308. Eupatorium purpureum, 242, 308. Euphorbia maculata, 271. Fagopyrum esculentum, 387. Fagus ferruginea, 40, 44, 339, 361. Floerkea proserpinacoides, 487. Fraxinus Americana, 335. Fraxinus, 371. Galium concinnum, 190. Galium trifidum, 290, 312. Galium triflorum, 301.^ Galium, 439. Gaultheria procumbens, 285. Gaylussacia resinosa, 279. Gentiana Andrewsii, 362. Geranium maculatum, 49, 355. Geum album, 17, 269, 281. Geum macrophyllum, 281. Geum Virginianum, 281. Glyceria fluitans, 67, 459. Hamamelis Virginiana, 44, 348, 363, 378. Hedeoma pulegioides, 192. Helenium autumnale, 48, 417. Helianthus annuus, 418. Helianthus grosse-serratus, 418. Helianthus strumosus, 418. Helianthus, 364, 494. Hepatica acutiloba, 14, 265, 489. Hepatica triloba, 489. Heuchera Americana, 471. Heuchera, 302. Hordeum jubatum, 433. Hordeum vulgare, 249. Humulus Lupulus, 324. Hypericum, maculatum, 158. Ilex verticillata, 40, 383. Impatiens pallida, 379. Jmpatiens, 379, 492. Inula Helenium, 48. Index to Hosts. 187 Iris versicolor, 295. Juglans cinerea, 77. Juglans, 77. Juncus nodosus, 67. Juncus tenuis, 154. Juniperus Virginiana, 315. Xactuca Floridana, 45. Xactuca Scariola, 421. Xappa, 422. Xathyrus ochroleucus, 37, 277. Xathyrus venosus, 277. Xedum latifolium, 476. Xespedeza, 89, 376. Xobelia cardinalis, 424. Xobelia inflata, 424. Xobelia spicata, 424. Xobelia syphilitica, 424. Xonicera glauca, 38. Xonicera obion gifolia, 352. Xonicera Sullivantii, 298. Xonicera, 298-352. Xudwigia palustris, 425. Xychnis vesper tina, 427. Melilotus alba, 300. Mentha Canadensis, 192. Mimulus r ingens, 428. Mitella diphylla, 469. Muskmelon, 413. Negundo aceroides, 334 Nepeta cataria, 429. Onoclea sensibilis, 341. Osmorrhiza longistylis, 191, 306, 395. Osmorrhiza, 384. Ostrya Virginica, 44, 430a. Oxalis, 382. Pseony, 432. Pea, 293. Pedicularis lanceoiata, 45. Pentstemon pubescens, 307. Phleum pratense, 392. Phlox divaricata, 48, 139, 305. Phragmites communis, 393. Phryma Xeptostachya, 423. Physostegia Virginiana, 434. Pilea pumila, 435. Pimpinella integerrima, 310. Pisum sativum, 293. Plantago major, 436. Plantago Rugelii, 21, 80. Poa, 199. Podophyllum peltatum, 69, 437. Polygonum aviculare, 387. Polygonum Hydropiper, 311. Polygonum Muhlenbergii, 387 Polygonum, 311. Polymnia Canadensis, 242. Populus angulata, 31. Populus tremuloides, 31, 275, 354. Potentilla anserina, 82. Potentilla palustris, 281, 343. Prenanthes alba, 45. Prenanthes, 438. Proserpinaca palustris, 468. Prunua serotina, 117, 367, 369. Prunus Virginiana, 274, 342. Ptelea trifoliata, 440. Pyrus coronaria, 43, 244, 309, 353, 368. Quercus alba, 41, 337, 366. Quercus macrocarpa, 41, 337. Quercus palustris, 41. Quercus rubra, 351. Ranunculus abortivus, 394. Ranunculus fascicularis, 272. Ranunculus recurvatus, 272. Ranunculus repens, 78, 261. Rhamnus alnifolia, 485. Rhus glabra, 441. Ribes aureum, 402. Ribes floridum, 282, 344. Ribes oxyacanthoides, 227. Ribes, 144, 344. 188 Davis-- Wisconsin Parasitic Fungi. Rosa bland a, 204. Rubus strigosus,205, 286, 325. Rubus triflorus 45, 281. Rubus villosus, 141. Rudbeckia laciniata, 159, 242, 386. Rumex obtusifolius, 375. Rumex, 381. Sagittaria variabilis, 314. Salix lucida, 333, 398. Salix nigra, 330. Salix rostrata^ 385. Salix, 287. Sambucus Canadensis, 442. Sanicula Marylandica, 270, 470, 488. Saxifraga Pennsylvanica, 398a. Scirpus atrovirens, 461. Scirpus fluviatilis, 460. Scirpus lacustris, 466. Scirfpus pungens, 466. Scrophularia nodosa, 273. Scutellaria galericulata, 444. Scutellaria lateriflora, 276, 444. Scutellaria parvula, 276. Senecio aureus, 256. Silene antirrhina, 294, 443. Silene noctiflora, 365, 430, 447. Silene stellata, 448. Silphium integrifolium, 118, 143, 242. Silphium laciniatum, 167. Sil-phium perfoliatum, 143. Silphium terebinthinaceum, 242. Silphium, 494. Sium cicutsefolium, 316, 446. Smilacina, 231, 359, 449, 491. Solidago Canadensis, 48, 404, 450. Solidago serotina, 313, 450. Solidago, 420. Specularia perfoliata, 451. Stachys aspera, 453. | Steironema ciliatum, 380, 408. Steironema longifolium, 426. Stellaria media, 454. Symplocarpus foetidus, 452. Taraxacum officinale, 388. Thalictrum dioicum, 263. Thalictrum purpurascens, 49, 235. Tiedemannia rigida, 456. Tilia Americana, 283, 303. Trientalis Americana, 419. Trillium cernuum, 455. Trillium erectum, 455. Trillium grandiflorum, 455. Trillium recurvatum, 455. Triticum vulgare, 249. Ulmus Americana, 284. Uvularia grandiflora, 359. Verbascum Thapsus, 389. Verbena hastata, 457. Verbena urticsefolia, 457. Vernonia fascicutlata, 320. IVernonia noveboracensis, 118. Veronica arvensis, 458. Veronica serpyllifolia, 390. Veronica Virginica, 458, 473. Viburnum dentatum, 40, 370. Viburnum Lentago, 40, 319, 391, 475. Vicia Americana, 150, 347, 3476?, 484a. Viola canina, 198. Viola palmata, 129. Viola pedatiflda, 225. Viola pubescens, 269, 493. Vitis cordifolia, 33, 289. Waldsteinia fragariodes, 493. Watermelon, 107. Xanthium strumarium, 242. Xanthoxylum Americanum, 44, Zizania aquatica, 258. [431. Zizia aurea, 321. Zizia 327. cordata, ON THE CYCLOPIDiE AND CALANIDiE OF CENTRAL WISCONSIN. By C. Dwight Marsh. The material on which this paper is based has been largely collected from the immediate vicinity of Ripon. The fauna of Green Lake I have been enabled to study with considerable thoroughness ; I have not only made a large number of collec¬ tions, but they have been made at all seasons from early spring to December, and the work has extended over several years. From some ponds in the neighborhood of Ripon, I have made similar repeated collections. From Lake Puckaway, Lake Winnebago, and the smaller lakes in Fond du Lac and Green Lake counties, my collections were for the most part made in the months of July and August. Through the kindness of Prof. E. A. Birge, I have also had materia] collected by him from lakes in the northern part of the state, and by Miss H. Merrill from the Great Lakes. This is not presented as a final report, for I still feel very doubtful in regard to the relationships of some species. But to properly define these relationships seems likely to involve a long period of study, and possibly it cannot be done satisfac¬ torily until more is known of the embryonic and larval stages. Inasmuch as so little has been published in regard to Ameri¬ can copepoda, I may be justified in publishing this paper, although I am well aware of its imperfections. While faunistic studies of fresh-water Crustacea have been quite thoroughly prosecuted in Europe, and to some extent in Asia and Africa, only a few localities in the United States have been studied with any degree of thoroughness. The only considerable publications on copepoda have been made by Prof. Forbes, Prof. Cragin and Prof. Herrick. Prof. Forbes, who has made very important additions to our knowledge of 15 — A. & L. 190 Marsh — Cyclopulce and Calanidm of Wisconsin. American entomostraca, made his collections in Illinois, south¬ ern Wisconsin, the Great Lakes, and Montana and Wyoming. Prof Cragin collected in eastern Massachusetts. Prof. Her¬ rick has collected very widely through the Mississippi valley and the southern states. His reports on the Minnesota Crus¬ tacea (22, 25, 26) covered a region with a fauna nearly iden¬ tical with that of Wisconsin. His work of exploration must have been done very thoroughly, for my work in Wisconsin gives me little to add in the way of new species. Because of incomplete descriptions or a lack of figures, it is, in some- cases, however, difficult to identify his species. In Wisconsin the cladoceran fauna is better known than in any other part of the United States through the well-known work of Prof. Birge, but the copepoda have been almost en¬ tirely neglected. While the number of copepods in a collection from any locality is frequently very large, the number of species is generally small. In pools which are swarming with individ¬ uals, frequently there are not more than two or three species. In pelagic collections there are seldom more than four to six species. Of diaptomus there is ordinarily only one species in a locality, although two or three species are sometimes found together in pelagic collections. Some species ot copepods may be considered strictly pelagic,, and some as strictly littoral, while others are found only in stagnant pools. But many species readily adapt themselves to all these conditions, and with little or no change of structure seem to thrive equally well wherever they may be. The following may be considered a fairly accurate division of the species according to their habitat : Distribution of the Species. 191 Pelagic. Litto¬ ral. Stag¬ nant Pools. Diaptomus sanguineus . . 4 4 leptopus .... 4 4 pallidus .... 4 4 sicilis . 4 4 ashlandi . . . 4 4 minutus .... 4 4 oregonensis . . Epischura lacustris .... Limnocalanus macrurus Cyclops americanus .... 4 4 brevispinosus . . . 4 4 navus . 4 4 pulchellus . 4 4 p arcus . 4 4 leuckarti . 4 4 signatus . 4 4 modestus . 4 4 flumatilis . 4 4 sermdatus . 4 4 phaleratus . 4 4 bicolor . 4 4 fimbriatus . None of our species is peculiar to this immediate region, arid it is probable that they are widely distriouted over the north¬ ern part of the United States and the southern part of British America. Indeed, the copepod fauna of North America resem¬ bles very closely that of Europe and northern Asia. This fact has already been remarked by Prof. Birge in regard to the cladocera, and it seems no less true of the copepoda. Many of our species are identical with those of Europe, even in the minutest details, as in the case of Cyclops leuckarti Sars. In other cases the structural differences are slight, and it is very probable that we should consider them of only varietal value, were we acquainted with the limits of species variation. That the species should be identical, or nearly so, over such a wide extent of territory is not at all strange when we remember how easily the living animals and their eggs may be trans¬ ported by water-fowl. Most of the forms, too, seem to readily 192 Marsh — Cyclopidce and Calanidce of Wisconsin. adapt themselves to change of environment with little percep¬ tible change of structure. Thus Cyclops pulchellus Koch, is a common pelagic form of the larger lakes, and seems well adapted to its environment, but I have found it in Rush Lake, a reed- covered, shallow body of water, in which we would hardly .expect to find any distinctive pelagic fauna. It is to be noticed that the American species of Diaptomus are distinct from those of Europe, and that they are, in some cases, quite limited in their distribution. The pelagic species are generally colorless, and the body and appendages are more elongated than in the littoral forms. "When a species occurs both in shallow and in deep water, the same difference is noted, the pelagic forms in some cases form¬ ing well marked varieties. The species of shallow water and stagnant pools are fre¬ quently highly colored, but the color is generally of little value in distinguishing species. Quite generally all the cope- poda and cladocera of a pool have the same prevailing color, while the same species under other conditions of environment may be entirely colorless. This was noticed by Herrick in 1883 (25 p. 385.) Certain species, however, seem to have a coloration peculiarly their own, — like the purple tips of the antennse in Diaptomus leptopus. The specimens of Cyclops modestus which I have found, have possessed a distinct purple tinge, very different from the colors of the species with which they were associated. In the synonomy of species I have followed the European authors. It seems to me next to an impossibility to identify the species of Koch and Baird, for their descriptions are of no value whatever. All that is left for one to do is to accept them as defined by later authors. It has not been my aim to add to the already sufficiently numerous descriptions of “new species, ” but rather to make more clear the descriptions already given, to indicate the proper synonymy, and to reduce the number of specific names rather than to increase them. In doing this, I know I have laid myself open to criticism, for it is, perhaps, presuming too much to revise another author’s descriptions. My only excuse Distribution of the Species. 193 is my reluctance to add to the cumbersome nomenclature of the genera under discussion. For example, I have no doubt of the identity of a Wisconsin species with Cyclops brevispinosus Her¬ rick, but Herrick’s description is not sufficient for a satisfac¬ tory identification. Therefore, rather than to add a new species name, I have ventured to describe this species more completely. Inasmuch as printed descriptions, even when accurate, are frequently misleading, and as a list of species is only valuable when one is certain of the accuracy of the identification, I have, in most cases, drawn figures of the essential anatomical char¬ acteristics of the species treated of, and trust that I shall have made clear at least what species I have described, and have rendered it possible, if I have made mistakes, for others to detect those mistakes. Green Lake. Little Green Lake. Lake Winnebago. Twin Lakes. Spring Lake. Rush Lake. Heart Lake. Lake Puckaway. Lake Minocqua. Great Lakes. Stagnant Pools. || Diaptomus sanauineus . X X 1 4 leptopus . 4 $ pallidus . X 1 4 sicilis . X X X X X X X X X X 4 1 ashlandi . 1 4 minutus . X 4 4 oregonensis . X X X X Epischura lacustris . X X X X X Limnocalanus macrurus . * Cyclops americanus . X X X X ‘ ‘ brevispinosus . 4 4 navus . X X X X X X X 4 4 pulchellus . X X X 4 4 parcus . ‘ ‘ leuckarti . 11 signatus . '. . 4 4 modestus . X X X X X X X X X X X X X X X X X X 4 4 fluviatilis . . X X X x X X X X X X X X X 4 1 , serrulatus . ‘ £ phaleratus . X X X X X X X X 1 1 bicolor . . “ fimbriatus . t/ 194 Marsh — Cyclopidce and Calanidoe of Wisconsin. The foregoing table will give an idea of the distribution of the species in some of the bodies of water which I have exam¬ ined. Green Lake is about seven miles long and has a max¬ imum depth of a little less than two hundred feet. The other lakes — the Great Lakes excepted — are shallow. Lake Winne¬ bago, although a large body of water, is said to be nowhere more than twenty-five or thirty feet in depth. Rush Lake is pretty largely covered with a growth of rushes and wild rice, and is being gradually filled up. Lake Puckaway is an expan¬ sion of Fox river, is to a considerable extent covered with wild rice and rushes, and is very shallow. FAMILY CALANIDJE. Genus DIAPTOMUS Westwood. KEY TO SPECIES OF DIAPTOMUS FROM CHARACTERISTICS OF MALE. Antepenultimate joint of antenna without appendage, Fifth feet nearly equal in length, oregonensis. Left fifth foot shorter than right, pallidus. Antepenultimate joint of antenna with hyaline lamella, leptopus. Antepenultimate joint of antenna with appendage, Appendage short and blunt, sanguineus. Appendage as long or longer than penultimate joint, Terminal hook of right fifth foot broad, lateral spine minute, minutus . Terminal hook falciform, Lateral spine nearer outer extremity of joint, sicilis. Lateral spine stout, near base of joint, ashlandi. Diaptomus. 195 Diaptomus sanguineus Forbes. Plate III. Figs. 1-3. 1876. D. sanguineus Forbes (17) pp. 15, 16 and 23, figs. 24, and 28-30. 1882. D. sanguineus Forbes (22) p. 647, pi. VIII, figs. 1-7, and 13. 1884. D. sanguineus Herrick (26) p. 138, pi. Q, fig. 12. “ ££ minnetonka Herrick (26) p. 138, pi. Q, figs. 8-10. 1889. u sanguineus DeG-uerne and Richard (32) p. 20, pi. IV, fig. 24. This species, which is found in pools in the spring months, Is readily recognized by the. characters of the male antennae and fifth feet. My specimens differ in minute particulars from the figures given by Forbes ; the lateral spine on the terminal joint of the outer ramus of the right fifth foot in the male is nearer the distal end of the joint, while Forbes’s figure makes Its position nearly median; the blunt spine on the inner angle of the second joint of this foot is a little longer than the spine at the outer angle, instead of shorter, as in his figure. D. minnetonka Herrick is probably a variety of D. san¬ guineus. Diaptomus leptopus Forbes. Plate III. Figs. 4 and 5. 1882. D. leptopits Forbes (22) p. 646, pi. VIII, figs. 17-19. 1884. “ longicornis var. leptopus Herrick (26) p. 140. 1889. “ leptopus DeG-uerne and Richard (32) pi. II, fig. 19, pi. Ill, fig. 9. Forbes, in his description, states that the antepenultimate segment of the right male antenna bears a small hook. I have failed to find a hook in my specimens; the segment is armed only with a very inconspicuous hyaline lamella. DeG-uerne and Richard have also noted the absence of the hook. 196 Marsh — Cyclopidce and Calanidce of Wisconsin. It is quite common in the summer and fall months. As I have found it, it has been of a brownish red color, much like D. sanguineus , with purple tipped antennae and caudal setae. D. Kentucky ensis Chambers, is probably identical with lepto- pus , although the imperfect figures make it impossible to decide with certainty. Diaptomus pallidus Herrick. Plate III. Figs. 6, 7 and 9. 1879. D. pallidus , Herrick (18a) P- 91, pi. II, a-d. 1884. “ I “ (26) p. 142, pi. Q, fig. 17. 1889. “ “ DeG-uerne and Richard (32) p. 62, fig. 17. A small, slender species. Cephalothorax elongated oval,, widest at about the middle; the last segment is armed with two minute lateral spines. The first abdominal segment of the female is as long as the remaining part of the abdomen, and is dilated laterally. The second abdominal segment is shorter than the third. The furcal joints are about twice as long as broad. The antennae reach beyond the furca. The right antenna of the male is swollen anterior to the geniculating joint; it bears no appendage on the antepenultimate joint. The outer ramus of the fifth foot of the female is two-jointed;; the third joint is represented by two blunt spines. The inner ramus is one-jointed, equaling in length the first joint of the outer ramus ; it is armed with a short spine at tip, and two larger ones on inner margin of tip; the inner surface of the tip is covered with short hairs. The fifth feet of the male are slender, with the basal joints nearly equal in length. The first joint of the outer ramus of the right foot is a little shorter than the basal joint. The second joint is nearly twice as long as the first; on its inner margin at about a third of its length is a short spine-like pro- jection, the lateral spine is slender, situated near the outer end of the joint. The terminal hook is falciform, but not with. Diaptomus , 197 a regular curvature, and is about once and a half the length of the second joint. The inner ramus is slender, one-jointed, as long as the first joint of the outer ramus. The left foot extends to nearly one half the length of the second joint of the outer ramus of the right. The first joint of the outer ramus is about as long as the first joint of the outer ramus of the right foot. The second joint terminates in two projections, — a blunt finger-like process on the exterior side, with a pad armed with minute spines on its inner surface, and a slender falciform process from the inner margin, which curves over and nearly meets the process on the outer margin. There is also a small blunt projection on the inner margin of the joint. The inner ramus is slender, one-jointed, and. equals in length the first joint of the outer ramus. Length of the male, .875 mm. ; of the female, 1.01 mm. Locality, Heart Lake, near Marquette. Herrick’s descriptions of D. pallidas are not sufficient to identify the species, and his figures in the report of 1878 do not help the matter. In the final report on the Minnesota Crustacea, there is but one figure of pallidus — that of the left fifth foot of the male — and it is mainly from this figure that I have considered D . pallidus identical with my specimens. I have not found it quite as large as stated by Herrick, but in other respects it corresponds quite well with his descriptions, and it does not seem best to introduce a new name. I have found D. pallidus in only one locality — Heart Lake, a small shallow lake south of Marquette. Diaptomus sicilis Forbes. Plate ill. Figs. .8 and 10. 1882. D. sicilis Forbes (22) p. 645, pi. VIII, figs. 9 and 20. 1884. “ “ Herrick (26) p. 142, pi. Q, fig. 18. 1889. “ “ DeG-uerne and Richard (30) p. 23, figs. 13 and 14, pi. II, fig 13. 1891. D. sicilis Forbes (35) p. 702, pi. 1, fig 6. 198 Marsh — Cyclopiclce and Calanidce of Wisconsin. This species, which is abundant in the Great Lakes, I found as a common pelagic species in Green Lake in the summers of 1890 and 1891. In a large number of collections made in 1892, however, I did not find a single individual. This seems par¬ ticularly strange, as the collections in 1892 were made at about the same seasons as in the preceding years. The Green Lake specimens differ slightly from Forbes’s type. They are somewhat smaller, the males averaging .9 mm., and the females 1.08 mm. The inner rami of the male fifth feet are not evidently two-jointed. Diaptomus ashlandi sp. nov. Plate III. Figs. 11-13. A small pelagic species closely resembling D. sicilis Forbes. In form it is slender, hardly to be distinguished from D. sicilis and D. minutus. The first joint of the abdomen in the female is longer than the remaining part of the abdomen, is dilated at the sides, and bears two minute lateral spines. The second and third joints are so closely united that the abdomen appears two-jointed. The furcal joints are about twice as long as broad. The antennae reach just beyond the furca. The right antenna of the male is much swollen anterior to the geniculating joint, and bears on the antepenultimate joint an appendage slightly exceeding in length the penultimate joint. This appendage may be blunt pointed or slightly enlarged at the extremity. The fifth feet of the female are rather slender; the outer ramus is two-jointed. The third joint is represented by two short spines. The inner ramus is one-jointed, a little longer than the first joint of the outer ramus, armed at tip with two rather long spines. The fifth feet of the male are slender. The basal joint of the right foot is about twice as long as that of the left. The first joint of the outer ramus is a little wider than long. The second joint is wider at the inner than at the outer end; the Diaptomus. 199 lateral spine is stout, curved, situated near the inner end. The terminal hook is slender and falciform. The inner ramus is slender, one-jointed, and about one-third longer than the first joint of the outer ramus. The left foot extends a little beyond the first joint of the outer ramus of the right. The second joint of the outer ramus has three blunt spines upon its apex and is armed with minute bristles within. The inner ramus is slender, one-jointed, and reaches about half the length of the second joint of the outer ramus. Length of male, .89 mm. ; female, .97 mm. Localities, Lake Superior and Lake Erie. D. ashlandi is smaller than D. sicilis , from which it is dis¬ tinguished by the form of the male fifth feet. The appendage of the antepenultimate joint of the right male antenna resem¬ bles the form in sicilis and minutus. The female is not so readily distinguished, although the fifth feet are more slender than in sicilis. I have specimens from only two localities. In pelagic col¬ lections made by Prof. Birge at Ashland it occurred with D. ■oregonensis and D. minutus. In a collection made by Miss Merrill on Lake Erie nearly all the Diaptomi belonged to this species, D. sicilis being represented very sparingly. Diaptomus minutus Lilljeborg. Plate IV. Figs. 1-3. 1889. Diaptomus minutus DeGuerne and Richard ( Lilljeborg) (32) p. 50, pi. I, figs. 5, 6 and 14, pi. Ill, fig. 25. 1891. Diaptomus minutus Marsh (38) p. 212. I reported D. minutus in 1891 from Green Lake. I have since found it in collections from the Great Lakes, the St. €lair river, and one iake in northern Wisconsin. It was de¬ scribed by Lilljeborg from specimens obtained in Greenland and Newfoundland. It was later reported from Iceland (39) . 200 Marsh — Cyclopidce and Calanidm of Wisconsin. It is probable, as stated by DeGuerne and Richard, that it is a common species through the northern part of North America. It is common in the pelagic collections from Green Lake, but I have found it nowhere else in central Wisconsin; it is possi¬ ble that this is near the southern limit of the species. The stout terminal claw of the outer ramus of the right fifth foot in the male, and the short, leaf-like inner rami of the fifth foot of the female, make this species one easily recognized. Diaptomus oregonensis Lilljeborg. Plate IV. Figs. 4 and 5. 1889. D. oregonensis DeGuerne and Richard (Lillj.) (32) p. 53, pi. II, fig. 5, pi. Ill, fig. 8. This is the most common species of diaptomus , being found quite generally in the shallower lakes. It is easily distin¬ guished from the other species by the form of the male fifth foot. The type specimens were obtained from Portland, Oregon, and according to the figures in DeGuerne and Richard’s “Re¬ vision” are somewhat more slender in all their parts than are my specimens. Genus EPISCHURA Forbes. Epischura lacustris Forbes. Plate IV. Fig. 6. 1882. E. lacustris Forbes (22) pp. 541 and 648, pi. VIII, figs. 15, 16, 21, 23, pi. IX, fig. 8. 1884. E. lacustris Herrick (26) p. 131, pi. Q, fig. 13. 1889. “ “ DeGuerne and Richard (32) p. 90, pi. IV, figs. 3, 9 and 10. 1891. E. lacustris Forbes (35) p. 704, pi. I, figs. 1-5, pi. II, fig. 7. Limnocalanus. 201 I have found E. lacustris in only two localities beside the Great Lakes— in Green Lake and Lake Puckaway. Probably, however, it is abundant in other localities, as Forbes reports it from many lakes in Illinois, Michigan, and southern Wis sin. The peculiar form of the male abdomen distinguishes nis in a striking manner from all other copepods. Genus LIMNOCALANUS Sars. Limnocalanus macrurus Sars. Plate IV. Fig. 7. 1863. L. macrurus Sars (11) pp. 228-229. 1882. “ l£< Forbes (22) p. 648. 1886. Centropages grimaldi DeGuerne (29) pp. 1-10. 1888. L. macrurus Nordqvist (31) pp. 31-37, pi. I, figs. 9-11; pi. II figs. 1-5; pi. Ill figs. 1-4. 1889. L . macrurus DeGuerne and Richard (32) p. 77, pi. IV, figs. 5, 11 and 12. 1891. L. macrurus var. auctus Forbes (35) p. 706. L. macrurus is abundant in Green Lake. It is a species of especial interest because of its wide distribution. It is found quite generally throughout northern Europe. Forbes has found it in Lake Michigan, Lake Superior and Lake Geneva. I have found it also in collections from Lake Huron, Lake St. Clair, and the St. Clair river. 202 Marsh — Cyclopidce and Calanidce of Wisconsin. Family CYCLOPID^. Genus CYCLOPS Mueller. KEY TO THE WISCONSIN SPECIES OF CYCLOPS. Antennae 17- jointed, fifth foot two-jointed, Second joint of fifth foot armed with seta and short spine* Terminal joint of outer branch' of swimming feet armed externally with three spines, Furca of moderate length, americanus. Furca elongated, brevispinosus. Terminal joint of outer branch of swimming feet armed externally with two spines, petrous. Second joint of fifth foot with two terminal setae, Furca short, navus. Furca elongated, pulchellus. Second joint of fifth foot, with one terminal and one lat¬ eral seta, leucharti. Second joint of fifth foot, with three setae, signatus. Antennae 16-jointed, fifth foot 3-jointed, modestus. Antennae 12-jointed, fifth foot 1-jointed, Furca variable in length, armed externally with a row of small spines, serndatus . Furca short, without armature of spines, fluviatilis. Antennae 11 -jointed, swimming feet three- jointed, phcileratus. swimming feet two-jointed, bicolor. Antennae 8- jointed, flmbriatus . Cyclops americanus sp. nov. Plate IY. Figs. 8-10. 1882. G. ingens Herrick (23) p. 228, pi. V, figs. 1-8. 1883. • 11 viridis Cragin (24) p. 3, pi. IV, figs. 8-16. 1884. “ “ Herrick (26) p. 145. Cyclops. 203 Cephalothorax oval, the first segment being about half its total length. Antennae 17-jointed, about as long as first ceph¬ alothoracic segment. Abdomen rather slender, the last seg¬ ment armed on its posterior border with small spines. All the abdominal segments in immature individuals are strongly pectinated posteriorly. Furca about three times as long as its average breadth, the lateral spine situated well towards the end. The first and fourth terminal setae are short, slender and plumose, nearly equal in length. Of the internal setae, the outer is a little more than three-fourths the length of th^e inner. The armature of the terminal joints of the swimming feet is as follows: FIRST FOOT. Outer br. ex. 3 spines. Inner br. ex. 1 seta. ap. 2 setae. ap. 1 spine, 1 seta. in. 2 setae. in/3 setae. SECOND AND THIRD FEET. Outer br. ex. 3 spines. Inner br. ex. 1 seta. ap. 1 spine, 1 seta. ap. 1 spine, 1 seta. in. 3 setae. in. 3 setae. FOURTH FOOT. Outer br. ex. 3 spines. Inner br. ex. 1 seta. ap. 1 spine, 1 seta. ap. 2 spines. in. 3 setae. in. 2 setae. Fifth foot two-jointed, basal joint very broad, armed with one seta. Terminal joint armed with a seta and a blunt spine. Length, 1.2 mm. This takes the place in our fauna that is occupied by C. viridis Fischer, in Europe. In general form and appearance the two forms seem identical, and have been so considered by Herrick and Cragin. I have hesitated to propound a new species name, but it seems necessary. So far as Uljanin and Vosseler have figured viridis it corresponds to our species; but 204 Marsh — Cyclopidce and Calanidce of Wisconsin. neither gives figures of the swimming feet. From the original description by Fischer our species differs markedly. Accord¬ ing to his figure the antennae reach to the third cephalothoracic segment, while in americcmus they hardly exceed the first. He makes the furca about equal in length to the last abdominal segment; in americanus it equals or exceeds the last two seg¬ ments. He gives a figure of “a foot, ” not designating which, but it corresponds to no one of the four in our species. Sars says the terminal joint of the external ramus of the fourth foot has two external spines; americanus has three. Brady’s figure of the terminal joint of the outer branch of the fourth foot (18, ph 20, fig. 7) corresponds to Sars’ state¬ ment. He also figures the terminal joint of the inner branch (18, pi. 20, fig. 8,) which shows a very different armature from that in americanus. Schmeil ( 41, p. 97, pi. VIII, figs. 12-14,) gives a more elab orate description of viridis. His formula for the spines of the swimming feet corresponds to the descriptions of the other European authors. Schmeil, however, does not consider the armature of the swimming feet as constant, and according to his view americanus should be a variety of viridis. In an exam¬ ination of a large number of specimens from widely separated localities I have found no variation in the number and arrange¬ ment of the spines and setae of americanus , and until such vari¬ ation is shown, there seems to be no alternative but to insti¬ tute a new species for the American form. C. americanus is widely distributed. It occurs quite gener¬ ally in stagnant pools, and is also found to some extent in lakes. Cyclops brevispinosus Herrick. Plate IV. Figs. 11 and 12. 1884. C. brevispinosus Herrick (26) p. 148, pi. S, figs. 7-11. Cephalothorax oval, the first segment reaching about half its Cyclops. 205 total length. Antennae 17-jointed, shorter than first . cephalo¬ thoracic segment. Abdomen slender, the last segment armed on its posterior border with a row of small spines. Furca slender, longer than the last two abdominal segments, lateral spine at two-thirds the distance from base to extremity. Of the terminal setae, the outer is a short blunt spine, the inner slender and somewhat longer; the outer median seta rather more than two-thirds the length of the inner. The armature of the terminal joints of the swimming feet is as follows": FIRST FOOT. Outer br. ex. 3 spines. Inner br. ex. 1 seta. ap. 2 setae. ap. 1 spine, 1 seta. in. 2 setae. in. 3 setae. SECOND FOOT. Outer br. ex. 3 spines. Inner br. ex. 1 seta. ap. 1 spine, 1 seta. ap. 1 spine, 1 seta. in. 3 setae. in. 3 setae. * THIRD FOOT. Outer br. ex. 3 spines. Inner br. ex. 1 spine. ap. 1 spine, 1 seta. ap. 2 spines. in. 3 setae. in. 3 setae. FOURTH FOOT. Outer br. ex. 3 spines. Inner br. ex. 1 spine. ap. 1 spine, 1 seta. ap. 2 spines. in. 3 setae. in. 2 setae. The fifth foot is two-jointed. The basal joint is very broad and is armed with one seta. The terminal joint is armed with one seta and a short spine. | [ Length about 1 mm. Herrick’s® description of C. brevispinosus is so imperfect that it is difficult to identify the species with certainty. The armature of the swimming feet is different from that in C. par - cus, although one might infer from his statement that it is the same. The form and armature of the furca, however, is char- 16— A. & L. 206 Marsh — Cyclopidce and Calanidce of Wisconsin. acteristic, and his figure of the furca makes me so certain of the identity of the form, that I have ventured to redescribe the .species rather than to propose a new name. It is easily rec¬ ognized by its short, 17-jointed antennae, and the elongated furca, with the outer terminal seta reduced to a short blunt spine. It is widely distributed in lakes and ponds, and is a pelagic species, though sometimes occurring in littoral collections. I have had some doubt as to whether this should be consid¬ ered a distinct species. In most of its structural features it closely resembles americanus , and I have suspected it to be a pelagic variety of that species. I have specimens of amer¬ icanus with elongated furca like brevispinosus , and I have spec¬ imens of brevispinosus in which the outer terminal seta of the furca is slender and plumose as in americanus. For the differ¬ ences in the armature of the swimming feet, however, I have as yet found no intermediate forms, and so must, for the present at least, consider the two distinct. Cyclops navus Herrick. Plate IV. Figs. 13-15. 1882. G. navus Herrick (23) p. 229, pi. V, figs. 6-13, 15-17. 1884. “ “ “ (26) p. 152. Larger than C. pulchellus , the antennae being about as long as first two segments of cephalothorax, as in that species. Armature of swimming feet as in pulchellus. Fifth foot armed as in pulchellus , but terminal joint more elongated, and its setae more nearly equal in length, the inner being fully two- thirds the length of the outer. The furca is short, with the lateral seta on the posterior third; of the terminal setae the first and fourth are short, the outer median about three-fifths as long as the inner. It is generally reddish in color and occurs in pools. Her¬ rick considers navus as probably a variety of pulchellus , and I am inclined to agree with him. The principal difference between the two species is in the form of the furca, and the difference is just that which we would expect from the difference of environ¬ ment. It is just the difference which exists between the Cyclops . 207 extreme forms of serrulatus. So far as I know, however, no one has reported forms intermediate between C. pulchellus and C. navus. In my collections, while I have seen many instances of considerable variation in C. pulchellus , particularly in the form and armature of the furca, I have found no forms which at all approach C. navus. Until such intermediate forms are discovered, C. navus must be considered distinct. Cyclops pulchellus Koch. Plate IV. Figs. 18 and 19. 1838. C. pulchellus Koch (3) H. 21, pi. 2. 1857. “ bicuspidatus Claus (8), p. 209, pi. XI, figs. 6 and 7. 1863, “ “ “ (9), p. 101. 1863. “ pulchellus Sars (11), p. 246. 1870. “ bicuspidatus Heller (12), p. 71. 1872. u bicuspidatus Fric (13), p. 221, fig. 6. 1876. u bicuspidatus Hoek (16), p- 17, pi. I, figs. 7-11. 1880. “ pulchellus Rehberg (19), p. 543. 1880. helgolcmdicus Rehberg (20), p. 64, pi. IV, fig. 5. 1882. “ thomasi Forbes (22), p. 649, pi. IX, figs. 10, 11 and 16. 1883. ,, pectinatus Herrick (25), p. 499, pi. VII, figs. 25-28. 1883. 0 thomasi Cragin (24), p. 3, pi. Ill, figs. 1-13. 1884. “ thomasi Herrick (26), p. 151, pi. U, figs. 4, 5, 7 and 8. 1885. “ pulchellus Daday (27), p. 220. 1886. “ pulchellus Vosseler (28), p. 194, pi. V, figs. 19-28. 1891. “ thomasi Forbes (35), p. 707, pi. II, fig. 8. 1891. u bicuspidatus Brady (36), p. 13, pi. 5, figs. 1-5. 1891. “ thomasi Brady (36), p. 14, pi. VI, figs. 1-4. 1891. 11 bicuspidatus Schmeil (37), p. 27. 1891. “ bicuspidatus Richard (39), p. 229, pi. VI, fig. 6. 1892. “ bicuspidatus Schmeil (41), p. 75, pi. II, figs. 1-3. 1893. “ thomasi Fcrbes (42), p. 249, pi. XXXIX, figs. 9-12; pi. XL, fig. 13. Herrick considered C. thomasi a variety of C. pulchellus Koch. Brady also raises the question as to the specific distinction of the American form. I have gone over the literature of the sub¬ ject with considerable care, and I can see no good reason for 208 Marsh — Cyclopidce and Calanidce of Wisconsin. separating our American form from C. pulchellus Koch, or bicus - pidatus Claus. All the European descriptions agree very closely with our form. We find in C. thomasi the same variations which Yosseler records in the European form, — for example, the vari¬ able position of the lateral spine of the furca. In general form,,, length of antennae, form of furca and armature of swimming- feet and fifth feet, it is difficult to find any clear distinction, between the forms of the two continents. I cannot agree with Herrick and Brady in considering C. bisetosus Rehberg a syno¬ nym of pulchellus , for pulchellus has the swimming feet armed with two spines externally, while bisetosus has three, and my observations lead me to think that the armature of the swim¬ ming feet is quite constant. The armature of the terminal joints of the swimming feet is. as follows : Outer br. ex. ap. in. 2 spines. 2 setae. 2 setae. FIRST FOOT. Inner br. ex. ap. in. Outer br. SECOND AND THIRD FEET, ex. 2 spines. Inner br. ex. ap. 1 spine, 1 seta. ap. in. 3 setae. in. 1 seta. 1 spine, 1 seta. 3 setae. 1 seta. 1 spine, 1 seta.. 3 setae. Outer br. FOURTH FEET. ex. 2 spines. Inner br. ex. 1 seta, ap. 1 spine, 1 seta. ap. 2 spines, in. 3 setae. in. 2 setae. C. pulchellus occurs everywhere in the great lakes in pelagic- collections, and in some of the smaller lakes of Wisconsin. Cyclops parcus Herrick. Plate IV, fig. 16; plate V, fig. 1. 1882. C. parcus Herrick (23), p- 229, pi. VI, figs. 12-15. 1884. “ “ “ (26), p. 148, pi. R, fig. 22. C. parcus, in the armature of the swimming feet is like C. pulchellus and C. navus, while its fifth feet are like those of G . americanus and C. brevispinosus, although the basal joint is,- Cyclops. 209 somewhat narrower. My specimens agree with Herrick’s de¬ scription, except in the armature of the inner terminal seg¬ ment of first feet, and his statement is evidently inaccurate, for no normal armature would be as he describes it. C. parcus occurs in stagnant pools, and I have not found it -common. Cyclops leuckarti Sars. C Plate IV, fig. 17; plate V, figs. 2-6. C. leuckarti Sars (11), p. 239. “ simplex Poggenpol (14), p. 70, pi. XV, fig. 1-3. “ tenuicornis Uljanin (15), p. 30, pi. IX, figs. 12 and 13. “ leeuwenhoekii Hoek (16), p. 19, pi. Ill, figs. 1-12. “ simplex Rehberg (19), p. 542. “ “ Vosseler (28), p. 193, pi. IV, figs. 15-17. “ “ Herrick (30), p. 17, pi. VII, fig. 1, a-j. “ leuckarti Schmeil (37), p. 25. “ edax Forbes (35), p. 709, pi. Ill, fig. 15; pi. IV, figs. 16-19. ( C . scourfeldi Brady)? (36), p. 10, pi. IV, figs. 1-8. “ leuckarti Richard (39), p. 230, pi. VI, fig. 20. “ leuckarti Schmeil (41), p. 57, pi. Ill, figs. 1-8. This species was particularly abundant in the collections from Hake Puckaway. I have compared my specimens very carefully with the descrip¬ tions of the European form as given by Sars, Hoek and Schmeil, •and the correspondence is almost perfect. The only difference seems to be that the lower side of the second joint of the outer maxilliped is ordinarily crenulated rather than “ geperlte. ” Speci¬ mens from Heart Lake, however, have more minute crenulations to which the term “ geperlte' ’ would be more properly applied. But in other points there is perfect agreement, noticeably so in the toothed appendage of the last antennal joint. Schmeil states that the membrane of the last antennal seg¬ ment of the female has a single deep indentation. My speci- 1863. 1874. 1875. 1876. 1880. 1886. 1887. 1891. 1891. 1881. 1891. 1892. 210 Marsh — Cyclopidaz and Calanidce of Wisconsin. mens have several, agreeing in ttds respect with the figure of Hoek. It occurs in both day and evening collections, and is gener¬ ally reddish in color. This is one of the most widely distributed of all the species of Cyclops , being found in various parts of Europe, in Asia, Africa, Madagascar, Ceylon, and the East Indies (34). Herrick mentions it as occurring in Alabama (30), and it is probable that it is widely distributed in America. It seems to me prob¬ able that the species identified by Herrick as oithonoides (26y p. 150, pi. S, figs. 2-6), is really leuckarti. Brady’s scourfeldi corresponds to this species in all details except the armature of the terminal joint of the outer branch of the fourth foot. The special character by which he distin¬ guishes the species, — the marginal setae of the second maxilli- pedes, — I find in my specimens. In his figure of the fourth foot, the terminal joint of the outer branch has one spine and two setae on the apex, instead of the normal armature of one spine and one seta. Schmeil’s figure of the fourth foot (41, ph III, fig. 6) shows an armature like that of the American speci¬ mens, and one cannot help thinking that Brady’s figure must have been drawn from an abnormal specimen. C. edax Forbes appears to differ from leuckarti only in that it lacks the ridge on the terminal joint of the antennae, and is. probably simply a less highly developed variety of the same species. There is considerable variation in the form of the spines of the swimming feet; in some specimens they are very slender and the joints are at the same time somewhat elongated, while in other cases they are robust. The robust form appears to be characteristic of the littoral specimens, and the slender form of the pelagic. The armature of the terminal joints of the swimming feet is as follows : FIRST FOOT. Outer br. ex. 2 spines. Inner br. ex. 1 seta. ap. 2 setae. ap. 1 spine, 1 seta, in. 2 setae. in. 3 setae. Cyclops. 211 SECOND AND THIRD FEET. Outer br. ex, 2 spines. Inner br. ex. 1 seta. ap. 1 spine, 1 seta. ap. 1 spine, 1 seta, in. 3 setae. in. 3 setae. FOURTH FOOT. Outer br. ex. 2 spines. Inner br. ex. 1 seta. ap. 1 spine, 1 seta. ap. 2 spines, in. 3 setae. in. 2 setae. Cyclops signatus Koch. Plate V, figs. 7-9. 1820. Monoculus quadricornis albidus Jurine (2), pp. 44 and 47, pi. II, figs. 10-11; pi. Ill, fig. 24. 1820. Monoculus quadricornis fuscus Jurine (2), p. 47, pi. II, fig. 2. 1841. C. signatus Koch (3), H 21, pi. VIII. 1841. “ annulicornis Koch (3). H 21, pi. VI. 1850. u quadricornis var. b Baird (4), p. 202, pi. XXIV, fig. 4. 1850. “ “ var. c Baird (4), p. 203, pi. XXIV, fig. 5. 1857. “ coronatus Claus (7), p. 29, pi. II, figs. 1-11. 1857. u tenuicornis Claus (7), p. 31, pi. Ill, figs. 1-11. 1863. “ coronatus Claus (9), p. 97, pi. II, fig. 16; pi. X, fig. 1. 1863. 11 tenuicornis Claus (9), p. 99, pi. I, fig. 3; pi. II, fig. 17; pi. IV, fig. 5. 1863. “ signatus Sars (11), p. 242. 1863. “ annulicornis Sars (11), p. 243. 1863. “ tenuicornis Sars (11), p. 242. 1863. u coronatus Lubbock (10), p. 199. 1863. u tenuicornis Lubbock (10), p. 202. 1872. “ coronatus Fric (13), p. 218, fig. 11. 1872. “ tenuicornis Fric (13), p. 219, fig. 12. 1874. u clausii Poggenpol (14), p. 70, pi. XV, figs. 4-14. 1875. “ signatus Uljanin (15), p. 29, pi. IX, figs. 6-11; pi. XI, fig. 8. 1876. “ “ Hoek (16), p. 12, pi. I. figs. 14. 1876. “ coronatus Hoek (16), p. 12. 212 Marsh — Cyclopidce and Galanidoe of Wisconsin. 1878. C signatus Brady (18), p. 100, pi. XVII, figs. 4-12. 1876. “ tenuicornis Brady (18), p. 102, pi. XVIII, figs. 1-10. 1883. “ “ Cragin (24), p. 3, pi. II, figs. 1-14. 1883. “ signatus var . fasciacornis Cragin (24), p. 2, pi. II, fig. 15. 1884. “ tenuicornis Herrick (26), p. 153, pi. R, fig. 16. 1885. “ V Daday (27), p. 211. 1885. “ signatus Baday (27), p. 208. 1886'. “ “ Vosseler (28), rp. 189, pi. IV, figs. 1-5. 1886. “ tenuicornis Vosseler (28), p. 189, pi. IV, figs. 6-10. 1891. “ gyrinus Forbes (35), p. 707, pi. II, fig. 9; pi. Ill, fig. 14. 1891. “ albidus Schmeil (37), p. 23. 1891. “ signatus Brady (36), p. 6, pi. 2, fig. 5. 1891. “ fuscus Richard (39), p. 223, pi. II, fig. 6. 1891. “ annulicornis and tenuicornis Richard (39), pp. 224- 226. 1892. “ fuscus Schmeil (41), p. 123, pi. I, figs. 1-76; pi. IV, fig. 2, 1892. u albidus Schmeil (41), p. 128, pi. I, figs. 8-146; pi. IV, fig. 14. Brady considers signatus as the ultimate form of which, tenui¬ cornis is the penultimate. The serrated ridge on the last an¬ tennal joint must be considered, then, as not distinctive of the species, but of the ultimate stage of the species. With this opinion I am inclined to agree, although I have not material to demonstrate their identity. Schmeil (41) discusses the re¬ lations of the two forms in detail, and gives his reasons for be¬ lieving them specifically distinct. In this same paper, however, he describes certain “bastard11 forms which combine the charac¬ ters of signatus and tenuicornis , and it would seem that the existence of such “bastards11 would be a strong argument in favor of the identity of the forms. C. signatus is a widely distributed species, being found in northern and western Europe, and in Great Britain, as well as in North America. It occurs in standing pools, but is more common in the lakes, being found in both pelagic and littoral collections. Cyclops. 213 Cyclops modestus Herrick. Plate V, figs. 10-13. 1883. C. modestus Herrick (25), p. 500. 1884. “ “ “ (26), p- 154, pi. R, figs. 1-5. 1887. “ “• “ (30), p. 14. I have found C. modestus in only one locality, — Rush Lake. Herrick found it in Alabama and Minnesota. It appears to be a clearly marked species. The color in all my specimens was ■distinctly purplish, a color entirely different from that of the ■other entomostraca in the same collections. In all my speci¬ mens the antennae were 16- join ted, and about as long as the first segment of the cephalothorax. The cephalothorax is oval and very broad as compared with the abdomen. The abdomen is slender. The furca is about as long as the last two abdominal segments, with the lateral spine situated about midway of its length. The external margin of the furca is hollowed out below 4he lateral spine. Of the terminal setae, the first is small and spine like, the second about four-fifths the length of the third, and the fourth slightly shorter than the second. The armature of the terminal joints of the swimming feet is as follows : FIRST FOOT. Outer br. ex. 3 spines. Inner br. ex. 1 seta. ap. 1 spine, 1 seta. ap. 2 spines, 1 minute seta. in. 3 setae. in. 2 setae. SECOND FOOT. Outer br. ex. 3 spines. Inner br. ex. 1 seta. ap. 1 spine, 1 seta. ap. 2 spines. in. 4 setae. THIRD FOOT. in. 1 spine, 2 setae. Outer br. ex. 2 spines. Inner br. ex. 1 seta. ap. I spine, 1 seta. ap. 2 spines. in. 4 setae. in. 1 spine-like seta, 214 Marsh— Gy clopidce and Calanidce of Wisconsin. FOURTH FOOT. Outer br. ex. 2 spines. Inner br. ex. 1 seta. ap. 1 spine, 1 seta, in. 4 setse. ap. 2 spines, in. 2 setse. The fifth foot is three-jointed, the second joint armed with a seta, and the third joint with two terminal setae. Cyclops fluviatilis Herrick. Plate V, figs. 14 and 15 ; plate VI, fig. 1. 1882. C. fluviatilis Herrick (23), p. 231, pi. VII, figs. 1-9. 1883. “ magnoctavus Cragin (24), p. 5, pi. Ill, figs. 14-23. 1884. “ fluviatilis Herrick (26), p. 159, pi. Q°, figs. 1-9. (30), p. 15. 1887. 1891. “ magnoctavus Brady (36), p. 19, fig. 1-4. I see no valid reason for separating fluviatilis and magnoctavus , although they are considered by Brady distinct species. G. pen- tag onus Vosseler is like fluviatilis in the form of the antennae and abdomen, and in the armature of the feet. In the form of the cephalothorax it differs widely from fluviatilis , the first seg¬ ment being short, broad and angular, while in fluviatilis the first segment is long and rounded, the whole cephalothorax being oval in outline. G. fluviatilis is not likely to be confounded with any other Gyclops , as we have only one other species with twelve- jointed antennae, — G. sermdatus , — from which it is readily distinguished by its smaller size, and the different form of the abdomen and furca. I have found C. fluviatilis only in pelagic collections. Cragin and Brady have found it in ditches. But Brady remarks: “It is curious that in both cases the animal was found in ditches im¬ mediately connected with large sheets of water. ” Herrick says, “ it is one of the most abundant forms in the larger lakes, and especially in streams. ” Cyclops. 215 Cyclops serrulatus Fischer. Plate VI, figs. 2-5. 1838. 1851. 1853. 1857. 1863. 1863. 1863. 1870. 1872. 1875. 1878. 1880. 1882. 1883. 1884. 1885. 1886. 1891. 1891. 1891. 1892. C. agilis Koch (3), H 21, pi. III. “ serrulatus Fischer (5), p. 423, pi. X, figs. 22, 26-31. Lilljeborg (6), p. 158, pi. XV, fig. 12. Claus (7), p. 36, figs. 1-3. Sars (11), p. 45. Claus (9), p. 101, pi. I, figs. 1 and 2; pi. IV, fig. 12; pi. XI, fig. 3. Lubbock (10), p. 197. Heller (12), p. 6. Fric (13), p. 222, fig. 18. Uljanin (15), p. 34, pi. VIII, figs. 1-8. Brady (18), p. 109, pi. XXII, figs. 1-14. “ agilis Rehberg (19), p. 545. “ serrulatus Herrick (23), p. 230. “ pectinifer Cragin (24), p. 6, pi. IV, figs. 1-7. “ serrulatus Herrick (26), p. 157, pi. O, figs. 17-19. “ agilis Daday (27), p. 240. “ agilis Vosseler (28), p. 190, pi. V, figs. 29-31. “ serrulatus Schmeil (37),. p. 29. Brady (36), p. 18, pi. VII, fig. 1. Richard (39), p. 234, pi. VI, fig. 19. Schmeil (41), p. 141, pi. V, figs. 6-12. C. serrulatus is found everywhere. It is the most common of all the species of Cyclops. In the larger bodies of water it is more common in littoral collections, but it occurs not infre¬ quently in pelagic collections. This species has a wide limit of variation, the extreme forms differing so much that one is at first inclined to rank them as separate species. At one extreme is the form common in ditches, pools, and littoral collections, which seems to correspond nearly to montanus Brady. It averages .85 mm m length; the furca is not quite as long as the last two abdominal segments, and the external terminal seta is transformed into a stout spine 216 Marsh — Cgclopidce and Calanidce of Wisconsin. three-fourths as long as the furca, projecting laterally from the body. At the other extreme is the pelagic form, C. elegans Her¬ rick. It averages 1.25 mm in length. The furca is once and a third as long as the last two abdominal segments, and the ex¬ ternal terminal seta is short and weak. Sometimes the two forms occur together in pelagic collec¬ tions, but only once have I found the elegans form as a littoral species. The European form is, in its characteristics, interme¬ diate between these extreme forms. Although the extreme varieties sometimes occur together, they are almost always entirely distinct. In only two localities have I found connecting forms. In Heart Lake I found an in¬ termediate form associated with the smaller variety, and in Lake Puckaway I found the typical form in connection with both extremes. Cyclops phaleratus Koch. 1841. 1851. 1853. 1857. 1863. 1863. 1863. 1872. 1874. 1875. 1878. 1882. 1883. 1884. 1885. 1887. 1891. Plate VI, figs. 6 and 7. C. phaleratus Koch (3), H 21, pi. IX. “ canthocarpoides Fischer (5), p. 246, pi. X, figs. 24, 32-38. Lilljeborg (6), p. 208. Claus (7), p. 37, pi, I, figs. 6-10. “ (9), p. 102, pi. IV, figs. 1-4. “ “ Lubbock (10), p. 202. “ phaleratus Sars (11), p. 46. “ canthocarpoides Fric (13), p. 223, fig. 19. “ lascivus Poggenpol (14), p. 72, pi. XV, figs. 22-24; pi. XVI, figs. 7 and 8. “ phaleratus Uljanin (15), p. 38, pi. IX, figs. 1-5. Brady (18), p. 116, pi. XXIII, figs. 7-13. “ ctdolescens Herrick (23), p. 231, pi. VI, figs. 16-20. “ perarmatus Cragin (24), p. 7, pi. I, figs. 9-18. “ phaleratus Herrick (26), p. 161, pi. R, figs. 6-10. Daday (27), p. 252. Herrick (30), p. 14, pi. VII, fig. 2, a-d. " “ Schmeil (37), p. 36. Cyclops. 217 1891. C. phaleratus, Brady (36), p. 25, pi. IX, fig. 2. 1891. “ “ Richard (39), p. 238, pi. VI, fig. 12. 1892. “ “ Schmeil (41), p. 170, pi. VIII, figs. 1-2. The European C. phaleratUs has ten- jointed antennae. Our specimens ordinarily have eleven joints, although sometimes, according to Herrick, occurring with ten. In other respects,, my specimens agree with those figured by European authors even in minute details, and there seems no good reason for making a new species of our form. It occurs quite widely distributed in the smaller lakes, and in stagnant pools. Cyclops bicolor Sars. 1863. C. bicolor Sars (11), p. 253. 1880. “ diaphanus Rehberg (19), p. 547. 1884. “ “ Herrick (26), p. 160, pi. R, fig. 12. 1885. “ “ Daday (27), p. 246. 1887. “ “ Herrick (30), p. 16, pi. VII, figs. 3a-e. 1891. “ bicolor Schmeil (37), p. 34. 1891. “ diaphanus Richard (39), p. 236, pi. VI, fig. 26. 1892. “ bicolor Schmeil (41), p. 118, pi. VI, figs. 6-13. The antennas are 11-jointed, hardly as long as the first cephal¬ othoracic segment. The abdomen is somewhat elongated, the last segment armed with spines posteriorly. The furca is nearly as long as the last two abdominal segments. The lateral spine¬ ls situated at about the posterior third. The first and fourth terminal setae are short, the inner considerably longer than the outer. The median setae are strongly plumose, and the longer is about as long as the abdomen. The rami of the swimming feet are two-jointed. The arma¬ ture of the terminal joints is as follows : FIRST FOOT. Outer br. ex. 3 spines. Inner br. ex. 1 seta. ap. 2 setae. ap. 1 seta, 1 large- spine. in. 3 setae. in. 3 setae. 218 Marsh — Cyclopidoe and Calanidoe of Wisconsin , SECOND AND THIRD FEET. Outer br. ex. 3 spines. Inner br. ex. 1 seta. ap. 1 spine, 1 seta. ap. 1 spine, 1 seta, in. 4 setae. in. 4 setae. FOURTH FEET. Outer br. ex. 2 spines. Inner br. ex. 1 seta. ap. 1 spine, 1 seta. ap. 2 spines, in. 4 setae. in. 3 setae. The last cephalothoracic segment is expanded laterally, and bears upon each side a long seta. The fifth feet are attached to these expansions, are one-jointed, linear, and each bears at the tip a single seta. Females average a little more than \ mm. in length. The color in all the specimens I have seen has been purplish. My specimens agree very well with the descriptions of Sars and Schmeil, the only marked difference being in the length of the caudal setae. More complete descriptions of the European form may show other differences, but so far as the descriptions gof they apply very well to our form. G. bicolor occurs in stagnant pools, and is somewhat rare. Cyclops fimbriatus Fischer. Plate VI, figs. 8 and 9. 1785. C. crassicornis Mueller (1), p. 113, pi. XVIII, figs. 15-17. 1853. “ -fimbriatus Fischer (5), p. 94, pi. Ill, figs. 19-28 and 30. 1863. “ crassicornis Sars (11), p. 47. 1870. “ gredleri Heller (12), p. 8, ph 1, figs. 3 and 4. 1872. “ pamper Fric (13), p. 223, fig. 20. 1875. “ crassicornis Uljanin (15), p. 39, pi. VIII, figs. 9-16; pi. XII, fig. 1. 1878. “ “ Brady (18), p. 118, pi. XXIII, figs. 1-6. 1880. ‘ poppei Rehberg (19), p. 550, pi. VI, figs. 9-11. 1880. “ fimbriatus Rehberg (19), p. 548, pi. VI, figs. 7 and 8. 1882. “ crassicornis Herrick (23), p. 232, pi. IV, figs. 9-14. Bibliography . 219 1884. 1885. 1885. 1886. 1891. 1891. 1891. 1892. C fimbriatus Herrick (26), p. 162, pi. R, fig. 11. “ “ Daday (27), p. 262. “ margoi Daday (27), p. 264, pi. Ill, figs. 20-25. “ fimbriatus Yosseler (28), p. 192, pi. VI, figs. 4-8. Schmeil (37), p. 35. Brady (36), p. 25, pi. IX, fig. 1. Richard (3D), p. 238, pi. VII, figs. 13 and 14. Schmeil (41), p. 161, pi. VII, figs. 8-13. This, our only eight- jointed species, I have found in only two localities. It corresponds quite exactly with the descriptions of the European authors. Brady, however, in fig. 4, pi. XXIII of his monograph, represents the terminal joint of the inner ramus of the second foot as armed with a spine on the inner margin. In my specimens this joint has a seta on the inner margin. But making allowance for possible inaccuracies in the figure, I see no reason for doubting the identity of the forms. Herrick states that the color is always reddish. I have found nearly colorless individuals, and I think that the color of this, as of other species, varies according to the environment. BIBLIOGRAPHY. The following list of papers is not a complete bibliography of the cyclopidae and calanidae, but includes only those works bearing upon the species treated of. Of these I would make special mention of the “Revision of the Calanidae” by DeGuerne and Richard, which is a model of what such a work should be, and in its exactness of statement and beautiful plates, stands out in pleasing contrast with the crude productions of many of the other authors. 1. 1785. Mueller, O. F. Entomostraca seu insecta testacea quae in aquis Daniae et Norvegiae reperit, descripsit et iconibus illustravit. 2. 1820. Jurine, L. Histoire des Monocles qui se trouvent aux environs de Geneve. 220 Marsh — Cyclopidce and Calctnidce of Wisconsin. 3. 1835-1841. Koch, C. L. Beutschlauds Crustaceen, Myri- apoden und Arachniden. 4. 1850. Baird, W. Natural History of the British Ento- mostraca. Ray Soc. Lond. 5. 1851-1853. Fischer, S. Beitrage zur Kenntniss der in der Umgegend von St. Petersburg sich findenden Cyclopi- den. (und Fortsetzung. ) Bull. Soc. Imp. Moscow. 6. 1853. Lilljeborg, W. Be Crustaceis ex ordinibus tribus; Cladocera, Ostracoda, et Copepoda in Scania occurrentibus. 7. 1857. Claus, C. Bas Genus cyclops u. s. einheimische Arten. Archiv. fur Naturgeschichte, XXIII, 1 Bd. p. 1-40. 8. 1857. Claus, C. Weitere Mittheil. uber d. einh. Cyclop- iden. ibid. p. 205-211. 9. 1863. Claus, C. Bie freilebenden Copepoden mit beson- dere berucksichtigung der fauna Beutschlands, der Nord- see u. des Mittelmeeres. Leipzig. 10. 1863. Lubbock, J. Notes on some new or little-known species of fresh-water entomostraca. Trans. Linn. Soc. Lond. XXIV. 11. 1863. Sars, G. O. Oversigt af de indenlanske Fersk- vandscopepoder. Forhandlinger i Videnskabs. — Selska bet i Christiania. 1862. 12. 1870. Heller, C. Untersuchungen uber die Crustaceen Tyrols. Berichte des medic, naturw. Vereins in Inns¬ bruck. 1 Jhrg. pp. 67-96. 13. 1872. Fric, A. Bie Krustenthiere Boehmens. Archiv. der naturwiss. Landesdurchforschg. von Boehmen. II Bd. IV Abth. 14. 1874. Poggenpol, M. J. List of the Copepoda, Cladocera and Ostracoda of the Environs of Moscow. (In Russian. ) 15. 1875. Uljanin, W. N. Crustacea of Turkestan. Part I. (In Russian. ) 16. 1876. Hoek, P. P. C. Be Vrijlevende Zoetwater-Cope- poden der Nederlandsche Fauna. Tijdsch. d. Nederl. Bier- kund. Vereenig III. 17. 1876. Forbes, S. A. List of Illinois Crustacea. Bull. Ill. Mus. Nat. Hist. No. 1. Bibliography . 221 18. 1878. Brady, G-. S. Monograph of the free and semi- parasitic copepoda of the British Islands. 3 vols. Ray Soc. Lond. 18a. 1879. Herrick, C. L. Microscopic Entomostraca. Ann. Rep. of Regents of Univ. of Minn, for 1878. pp. 81-123. 19. 1880. Rehberg, H. Beitrag zur Kenntniss der freile- benden Susswasser Copepoden. Abh. d. natur. Ver. zu Bremen. Bd. VI, pp. 533-554. 20. 1880. Rehberg, H. Weitere Bemerk. uber d. freileben- den Sussw. Cop. Abh. d. natur. Ver. zu Bremen. Bd. VII, Hft. I, pp. 61-67. 21. 1881. Chambers, V. T. Two new species of entomos- taca. Journ. Cinn. Soc. Nat. Hist. IV. 22. 1882. Forbes, S. A. On some entomostraca of Lake Michigan and adjacent waters. Amer. Nat. Vol. XVI, pp. 537-542, 640-649. 23. 1882. Herrick, C. L. Cyclopidse of Minn, with notes on other copepods. 10th Ann. Rep. Geol. and Nat. Hist. Sur. Minn. 24. 1883. Cragin, F. W. A contribution to the history of the fresh- water copepoda. Trans. Kans. Acad. Sci., Vol. VIII. 25. 1883. Herrick, C. L. Heterogenetic development in di~ aptomus. Amer. Nat. Vol. XVII, pp. 381-389, 499-505. 26. 1884. Herrick, C. L. A final report on the Crustacea of Minn, included in the orders cladocera and copepoda. 12th Ann. Rep. Geol. and Nat. Hist. Sur. Minn. 27. 1885. Daday, Jeno. Monographia Eucopepodorum libero- rum in Hungaria hucusque repertorum. A. M. tud. Akad- emia altal a Vitez-alapbol. 28. 1886. Vosseler, J. Die freilebenden Copepoden Wurt- tembergs und angrenzender Gegenden. Inaugural Disser. der hohen Naturwissenschaftiichen Fakultat der Univer. Tubingen. Jahreshefte des Vereins fur vaterl. Natur- kunde in Wuertt. , 1886. 29. 1886. DeGuerne, J. Description du Centropages Grim- aldii, Copepode nouveau du golfe de Finlande. Bull. Soc. Zool. France XI. 17— A. & L. 222 Marsh — Cyclopidm and Calanidce of Wisconsin. 30. 1887. Herrick, C. L. Contribution to the fauna of the Gulf of Mexico and the South. Mem. of Denison Assoc. Yol. I, No. 1. 31. 1888. Nordqvist, O. Die Calaniden Finlands. Bidr. till.. Kanned. af Finlands Natur och Folk; heft 47. (Finsk. Vet. Soc. Helsingfors.) 32. 1889. DeGuerne et Richard. Revision des Calanides d’eau douce. Mem. de la Soc. Zool. de France. Yol. II. 33. 1889. DeGuerne et Richard. Sur la faune des eaux douce du Groenland. Bull. Soc. Entom. Fr. 25 mars, 1889. 34. 1891. DeGuerne et Richard. Sur quelques entomos- traces d’eau douce de Madagascar. Bull, de la Soc. Zool. de Fr. T. XYI, p. 223. 35. 1891. Forbes, S. A. On some Lake Superior entomos- traca. Rep. U. S. Com. Fish and Fisheries, 1887. pp. 701-718. 36. 1891. Brady, G. S. Revision of British species of Fresh¬ water Cyclopidse and Calanidse. Nat. Hist. Trans. North- umb. , Durham, and Newc. Vol. XI. 37. 1891. Schmeil, Otto. Beitrage zur Kenntniss der freile- beden Susswasser Copepoden Deutschlands mvt besondere Berucksichtigung der Cyclopiden. Zeitschr. f. Naturw. Halle. 64 Bd. 1 and 2 Hft. 38. 1891. Marsh, C. D. On the deep-water Crustacea of Green Lake. Trans. Wis. Acad. Yol. VIII. 39. 1891. Richard, Jul. Recherches sur le systeme glandu- laire et sur le systeme nerveux des copepodes libres d’eau douce, suivie dMne revision des especes de ce groupe qui vivent en France. Ann. Sc. Nat. Zool. T. 12. 40. 1892. DeGuerne et Richard. Sur ia faune des eaux douce de l’Islande. Bull. Soc. Entom. Fr. , 8. fevrier, 1892. 41. 1892. Schmeil, Otto. Deutschlands Freilebende Suss¬ wasser Copepoden. 1 Thiel : Cyclopidse. Bib. Zool. Heft II. 42. 1893. Forbes, S. A. A preliminary report on the aquatic invertebrate fauna of the Yellowstone National Park, Wyoming, and of the Flathead Region of Montana. Bull. U. S. Fish Commission for 1891. Explanation of Plates. 223 EXPLANATION OF PLATES. PLATE III. Fig. 1. . 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Diaptomus sangumeus — terminal joints of male anten¬ na x 163. fifth feet of male x 163. firth foot of female x 163. leptopus — fifth foot of female x 163. fifth feet of male x 163. pallidus — fifth feet of male x 300. fifth foot of female x 300. sicilis — fifth feet of male x 163. pallidus — abdomen of female x 300. sicilis — fifth foot of female x 300. ashlandi — fifth feet of male x 163. fifth foot of female x 163. terminal joints of male antenna x 300. PLATE IY. Fig. 1. Diaptomus minutus — fifth feet of male x 163. 2. “ “ fifth foot of female x 300. 3. “ terminal joints of male antenna x 300. 4. “ oregonensis — fifth feet of male x 163. 5. “ “ fifth foot of female x 300. 6. Epischura lacustris — abdomen of male x 92. 7. Limnocalanus macrurus — abdomen of male x 40. 8. Cyclops cimericanus — abdomen of female x 58. 9. “ “ fourth feet x 163. 10. “ “ fifth foot x 300. 11. “ brevispinosus — furca x 163. 12. “ “ fourth foot x 163. 13. “ navus — abdomen of female x 68. 14. “ “ fourth foot x 163. 15. “ “ fifth foot x 300. r224 Marsh — Cyclopidoe and Calanidm of Wisconsin, 16. Cyclops parcus — fifth foot x 300. 17. “ leuckarti from Heart Lake — -second joint of outer maxilliped x 163. 18. “ pulchellus — fifth foot x 300. 19. “ “ abdomen of female x 163. PLATE y. Fig. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Cyclops parcus- — fourth foot x 163. leuckarti — fifth foot x 300. last antennal joint of female x 300. irom Lake Gussie — outer maxil¬ liped x 300. abdomen of female x 58. littoral variety — fourth foot x 163. “ signcitus — fourth foot x 163. fifth foot x 300. last antennal joint of female x 300. “ modestus — fourth foot x 195. “ ' * furca x 163. fifth foot x 360. outer terminal joint of third foot x 300. “ fluviatilis — fifth foot x 360. fourth foot x 300. PLATE VI. Fig. 1. 3. 4. 5. 6. 7. 8. 9. Cyclops fluviatilis — abdomen of female x 300. “ serrulatus — abdomen of female, extreme pelagic form, x 75. 4 abdomen of female, intermediate form, x 100. abdomen of female, littoral form, x 178. fourth foot x 178. “ phaleratus — abdomen of female x 92. second antenna x 300. “ fimbriatus — fourth foot x 300. furca x 300. Trans. Wis. Acad. Sci. Vol. IX, PL III. Trans. Wis. Acad. Sci. Vol. IX , PI. IV. Trans. Wis. Acad. Sci. Vol. IX , PI. V. Trans. Wis. Acad. Sci. Vol. IX, PL VI. * . THE PROGRESS OP GEOLOGICAL SURVEYS IN THE STATE OP WISCONSIN— A REVIEW AND BIBLIOGRAPHY. BY WILLIAM P. BLAKE, NEW HAVEN, CT. , AND SHULLSBURG, WIS. [abstract.] The memoir gives an historical account and review of the early settlement of the lead region, and of the surveys under¬ taken by the general government. One of the chief objects is to show the opinions held by Percival and his successors upon the subject of the origin of the lead and zinc ores, and the relation of the deposits of such ores to breaks in the strata, and a portion of this part of the paper is now presented. The poet and geologist, James G. Percival, after the comple¬ tion of his part of the work on the survey of the state of Con¬ necticut, was employed by the American Mining Company of New York to make examination and surveys of their mines in Wisconsin. He was so engaged during the year 1853, and the next year was appointed the geologist of the state, receiving his commission from Governor Wm. A. Barstow, on the 12th of August, 1854. His instructions were to examine the mineral district in the southwest counties of the state. His first report was printed in Madison in 1855.* In this he confines his descriptions chiefly to the result of his own observations, and the volume is characterized by the minute and careful attention to every detail, and accuracy of observation and description for which his work will ever be notable. The report is accompanied by one map delineating the extent of the lead region and the di- * Annual Report on the Geological Survey of the State of Wisconsin. By James G. Percival. Small 8vo. pp. 101 with Map. Madison, 1855. 226 Blake — Pr ogress of Geological Surveys in Wisconsin. rection of the deposits, upon a scale of one-fourth of an inch to the mile, but exhibiting the relative number and the direc¬ tion of the known ore-bearing crevices by means of small lines, the first attempt, perhaps, to represent the Surface arrange¬ ment of the diggings, and the general direction of the bodies of ore. In addition to the descriptions in detail of the various form¬ ations and of the veins or deposits of the ores of lead and zinc, he notes particularly, under a general dip of the strata to the south, local inequalities in the* stratification at various points, indicative of extraordinary elevations of the strata and the existence of faults or breaks in the formations. Five at least of such faults are described in the region of the Peca- tonica valley, of Fever river, of the Platte and on Grant river. In regard to the extent downwards of the mineral deposits, he favored the view of many that the viens could be traced, with some interruption, from the Upper Magnesian Limestone down¬ wards to and into the Lower Magnesian. On p. 67 he says: — “ I have not yet had time to explore the country occupied by the Lower Magnesian to any extent, and have visited no other dig¬ ging in that rock bat those in the vicinity of Blue river, known as Oleking’s Diggings. These, however, furnish most satisfactory evidence that the mineral occurs in that* rock at the proper openings in as large masses and arranged as regu¬ larly as in the Upper Magnesian. ” * * “After examining this locality, I could not doubt that the Lower Magnesian is a good mineral-bearing rock. I have thus been able to trace the min¬ eral in a series of crevices and openings from the summit of the Upper Magnesian to the depth of 60-70 feet in the Lower Mag¬ nesian, and have found all the different beds of limestone good mineral-bearing rocks, each with one or more openings, besides vertical or pitching sheets or veins. ’ ’ He notes that the ar¬ rangement appears to be analagous to that of the lead mines in the north of England where the veins traverse different beds of limestone separated by other beds, the mineralization being confined chiefly to the limestone. In regard to the arrangement or distribution of the deposits, their grouping and direction, he was convinced that there is a Views of Percival. 227 systematic order pervading the whole district, indicating that the mineral deposits are not casual but regularly rrranged, and parts of a connected whole (p. 9]); and again in his summing up at the end of his report, he reiterates: “The leading object of the detail which I have given of the arrangement of the min¬ eral in the crevices and openings, in its distribution through the different strata from above downwards, and of the surface arrangement in groups and in more extended combinations, has been to show that a systematic order prevails throughout, and that the mineral deposits are not detached and casual, but com¬ bined in regular series” (p. 98). Also: “The traces of order and connexion in the surface arrangement appear no less re¬ markable than in the vertical arrangement. What I have here given is only a small part of what might have been stated; but I trust it will suffice to show that the ranges in their bearing and in their grouping from the smallest to the most extended combinations have been governed by some general laws, and have not been merely local accidents.” (p. 101.) A second but posthumous report from this gifted man ap¬ peared in 1856.* While Dr. Percival was engaged in its pre¬ paration, he was stricken down and died on the second day of May, 1856. His manuscript was unfinished, but was carefully copied and finished for the press. It was addressed to Governor Poles Bashford, and reported the results of a trip he had made to the northern regions of the state during which he visited thirty-eight out of fifty counties. As a general result he stated that he was still “more strongly persuaded of the proba¬ bility of [success] of continued deep mining, ’’ and adds that *' the opinion expressed in my former report that the mineral was derived from beneath is strengthened not only by the gen¬ eral results of my observations in the diggings, but by the appearance of disturbance in the strata, particularly along the line of the great body of mineral traversing the middle of the district, and by the relation in the bearing of that body to the extensive ranges of primary and metamorphic rocks towards the northeast, indicating that the mineral may have arisen * [Second] Annual Report on the Geological Survey of the State of Wisconsin, pp. 111. Madison, 1856. 228 Blake — Progress of Geological Surveys in Wisconsin. fiom a mass of such rocks beneath the secondary strata.’" (p. 63.) It is singular that Dr. Percival did not notice the absence of the northern or glacial drift over the area of the lead rogion. In Percival’ s day the zinc ores had not been utilized, but he directed attention to their value for making not only spelter, but zinc oxide for paint,* and I am told that he was the first to induce the miners to make shipments of Smithsonite, “dry bone,” to the New Jersey Zine company at Newark. He thus hastened the utilization of the “dry-bone,” but Owen had already directed attention to its value. After the death of Percival and the reorganization of a sur¬ vey of the state under the direction of Prof. Jas. Hall, Prof. J. D. Whitney was selected to examine and report upon the lead region. Prof. Whitney at once recognized that the foremost unan¬ swered question in the minds of both the miners in the lead region and those who had written about the mineral deposits, was whether deep mining was likely to be productive; whether by sinking through the blue limestone [the Trenton Limestone] and other beds in the Lower Magnesian Limestone, new sources of ore might be found along the possible extension downwards of the crevices of the upper beds. This question, we may say, has not even yet been answered by actual trial, although it has been answered theoretically by Whitney and others in the nega¬ tive. We have seen that Percival gave the subject much atten¬ tion, and that the direction of his labors was toward solving the problem of the origin of the system of lead-bearing crevices, and of their relations to, or dependence for, their origin upon the faults, dislocations and breaks of the strata. Professor Whitney gave especial attention to this subject, and felt obliged to state that he differed in toto with Dr. Per¬ cival “ in the general conclusions which he drew from his obser¬ vations, especially in regard to the feasibility of deep mining in the lead region, the most important point, practically, to those interested in that district. ”f In the concluding pages of *First Report, p. 98. t Vol. I, Hall & Whitney’s Report, p. 84. Vieivs of Whitney. 229 his report the subject is fully discussed, and a resume of his conclusions is given as follows:* 1st. Each mining district in the lead region has its metallifer¬ ous deposits confined to a certain vertical range, which does not in any one locality or group of diggings extend through the whole series of lead-bearing strata. 2d. The mineral deposits do not extend into the upper, sand¬ stone, and the cracks or joints in that rock are not continu¬ ous with or dependent on those in the groups above or below. 3d. The Lower Magnesian Limestone has nowhere been proved to be a rock which can be mined in profitably for lead for any length of time. It should be noted that Whitney did not discuss the cause of the linear distribution of the mineral-bearing crevices; their origin and relation to the lines of uplift which had so greatly impressed Percival, nor did he find any faults in the strata, which Percival had so specifically noted and described, Whit¬ ney’s statements relative to these subjects being: ‘‘There is no evidence in the lead region of the deposits of ore or the crevices being situated over or near faults or dislocations of the surface, or of being in any way connected with subterra¬ nean or deep-seated movements of the crust of the earth, such as would allow of the metalliferous solutions having access from below.” (Page 393. ) This is remarkable, inasmuch as disloca¬ tions do exist as Percival stated, and that they do certainly appear to have some relation to the mineral deposits, a relation which needs investigation. Professor Whitney’s report is well illustrated by drawings of the various forms of crevices, openings, chambers and deposits of ore. Many of these illustrations, with a memoir upon the Lead Deposits of the Mississippi Valley, were published in the Mining Magazine.! Professor Whitney did not fail to note and to fully discuss the phenomenon of the absence of drift deposits within the limits of the productive lead region, and gives a diagram or small map upon which the boundaries of the region destitute of drift are shown. f The conclusions to which a study of this * Vol. I, Hall & Whitney’s Report, p. 416. X Mining Magazine and Journal of Geology. I Report 1862, Fig. 2, pp. 118-119. 230 Blake — Progress . of Geological Surveys in Wisconsin. driftless region led him were, briefly stated, that the region existed as an island rising above the level of the ocean during the drift epoch, and consequently escaped the deposition of drift boulders and other materials characterizing the drift deposit of adjoining regions. In forming this conclusion it will be noted that he held the then prevalent opinion of the diluvial origin of drift deposits, and that he did not entertain the idea of their glacial origin and distribution. He carefully and correctly de¬ scribes the phenomena of chemical erosion or gradual solution of the surface of the rocks and the accumulation on the surface of the less soluble portions, such as flint nodules and fragments, remarking that we never find them assorted in layers, or show- in g any indication of the action of currents of water, from which he concludes that the driftless region must have formed an island at the time “when the great currents from the north were bringing down the detrital materials which were spread over so vast an area in the northern hemisphere. ”* He directs attention to the fact that in the lead region the line of water-shed is an exact east and west one, and that it is pretty evident “that this portion of the surface of the state has been elevated parallel to the great north and south axis which has determined the geological features.” (P. 127.) Professor Whitney formulated a theory of the original depo¬ sition of the ores from the waters of the ocean in certain areas determined by the presence of marine plants. However probable this may be, it fails to explain the sharply defined linear distribution of the ores, and the origin of what we may term the vein system. Professor Chamberlin’s theory of undulations as opposed to f aultiug, if accepted, leads us substantially to the conclusion that the distribution of the cres is due to the structure, or rather to the disturbance of the strata. This implies that the deposits really have the nature of lodes, and that the same causes may produce like effects in all of the beds whose chemical com¬ position is favorable to the deposition of ores. It is, therefore favorable to the view that ore deposits may be found in te * Report 1862, p. 123. Views of Author. 231 Lower Magnesian Limestone, as contended for by Percival and many others. The paucity of close observations in the field should for the present leave theorizing to the future. Had Percival lived a few years longer, this want would undoubtedly have been sup¬ plied. My own knowledge of the lead and zinc deposits leads me to believe Percival’s view is the correct one, and that the lead-bearing regions are extensively faulted and broken, and that the ore deposits have a direct and close relation to the faults. A CONTRIBUTION TO THE FLORA OF THE LAKE SUPERIOR REGION. BY L. S. CHENEY. During the summer of 1891, through the kindness of Mr. F. F. Wood, I had the pleasure of doing some collecting at various points in northern Wisconsin, along the north shore of Lake Superior, and along the boundary between Minnesota and Ontario, — the last a region comparatively little known, botan- ically. It is with the permission of Mr. Wood that I make use of the material obtained at that time, in this brief paper. Excluding the small portion in Wisconsin, the region under consideration is a heavily timbered one, made up in greater part of a series of parallel ridges running east and west, and separated by deep narrow lakes, or tamarack or cedar swamps. Geologically, the rocks of the region belong to the Algonkian age. Along the course of the Pigeon river and boundary to Gunflint Lake, the Huronian appears. Between Gunflint Lake and Lake Seiganagah the Archaean breaks through, giving the name Granite River to the short stream connecting the two bodies of water. From Lake Seiganagah west to Tower, the Huronian is again the surface formation. To the southwest of Gunflint Lake, the Archaean again appears as a long narrow ridge running away a hundred or more miles to the southwest. This ridge is known as the Mesabe range. Adjoining this range on the south is another narrow strip of Huronian. Over the remainder of the region, the Keweenawan forms the surface formation. Collecting was done at Fond du Lac, on the St. Louis river; along the lake shore from Grand Marais to Grand Portage; along the old Dawson Canoe route (a line almost identical with the 234 Clieney — Flora of the Lake Superior Legion. boundary between Minnesota and Ontario) from Grand Portage to Basswood Lake; from this lake, along the canoe route com¬ monly travelled, to Ely and Tower; and in the vicinity of Bar¬ ron, Wisconsin. The work was begun June 16th, at Fond du Lac. We were detained ten days at Grand Marais, awaiting the construction of a canoe. At Rove Lake we were obliged to wait four days for provisions. With these two exceptions, we never stopped longer than thirty-six hours at a place. We generally travelled ten to twelve miles each day, collecting on the way. We reached Tower August 3d, and went from there to Barron, where collecting was done a few days longer. The list of plants appended include four new to the region covered by Gray's Manual (last edition). Of these Ribes Hud- sonianum has not, I think, been previously reported from far¬ ther east than Montana ; Carex obesa var. minor1 2 has not been found before south ol the Saskatchewan. Ranunculus Lapponicus'* is new. to the United States. Deplophyllum Dicksoni is the fourth. The distribution of an introduced plant, Ranunculus ac?ns, seems worthy of special mention. It was observed at all old fishing stations along Lake Superior. At Grand Portage it literally covered the land occupied by the village, and also the adjoining fields,— perhaps fifteen acres in all. From this vil¬ lage the plant has been carried westward along the canoe route to the portage between North Lake and South Lake, a distance of sixty miles. It was observed at most of the portages be¬ tween the two points, usually at the landings. This distribu¬ tion was evidently effected either by travellers carrying the flowers or seed, intentionally or otherwise, or by the seed ad¬ hering to the hair of dogs or other animals. A similar distri¬ bution from the village may be looked for along other trails, or canoe routes. No attempt was made to collect specimens of the larger shrubs or trees; or in most cases, other plants known or sup¬ posed to be widely distributed. Such of these, however, as were identified have been inserted in the list. I desire to ac- 1 See “Notes on Carex.” L. H. Bailey, Bot. Gaz., Vol XVII, No. 5. 2 See “New and Noteworthy North American Plants.” John M. Coulter and Elmon M. Fisher. Bot. Gaz., Vol. XVII, No 8. Distribution of Species. 235 knowledge my obligations to Dr. L. M. Underwood, of De Pauw University; Dr. J. M. Coulter, of Lake Forest University; Dr. L. H. Bailey, of Cornell University; Dr. C. R. Barnes, of the University of Wisconsin; and Mr. R. H. True, formerly of the University of Wisconsin, for aid kindly rendered. 1. Anemone nemorosct , L. Grand Marais. 2. Coptis trifolia , Salisb. Grand Marais. 3. Ranunculus acris , L. At all old fishing stations along the north shore of Lake Superior and on most of the portages along the boundary between Canada and Minnesota west to North Lake. 4. Ranunculus aqualitis , L., var. trichop hyllus, Gray. Granite River. 5. Ranunculus Flammula , L., var. reptans , E. Mayer. Partridge Falls. 6. Ranunculus hispidus , Hook. Devil’s Track River. 7. Ranunculus Lapponicus , L. On the Duluth and Port Arthur trail, three miles west of Mawshequawcawmaw River. 8. Ranunculus Pennsylvanicus , L. f. Granite River^ one and a half miles below Gunflint Lake. 9. Nuphar advena , Ait. f. Rove Lake. 10. Nuphar Kalmianum , Ait. Daniels Lake and Basswood Lake. 11. Nymphcea odorata , Ait. Gunflint Lake. 12. Nymphcea odorata , Ait., var. mwor, Sims. Small lake on portage between Moose Lake and Mountain Lake. 13. Corydalis aurea , Willd. Grand Marais. 236 Cheney — Flora of the Lake Superior Region. 14. Corydalis glauca , Pursh. G-rand Marais and Devil’s Track River. 15. Arabis lyrata , L. Grand Portage. 16. Barbarea vulgaris , R. Br. Grand Marais. 17. Cardamine hirsuta , L. Grand Marais. 18. Sisybrium canescens , Nutt. Grand Marais. 19. Viola rotundifolia , Michx. Fond du Lac. 20. E lodes campanulata , Pursh. Portage between Mud Lake and Rat Lake. 21. Tilia Americana , L. Fond du Lac. 22. Oxalis Aceto sella, L. Grand Marais. 23. Acer saccharinurn, Wang. Fond du Lac and Basswood Lake. 24. Acer spicatum, Lam. Portage at east end of Sucker Lake. 25. Rhus glabra , L. Northern outlet of Lake Seiganagah. 26. Lathy rus maritimus , Bigelow. North shore of Lake Superior, at Scott's Creek. 27. Lathy rus venosus , Muhl. On portage from Pigeon River to South Fowl Lake. 28. Geum rivale, L. Portage between North Fowl Lake and Moose Lake. 29. Totentilla fruticosa , L. Grand Marais, and on many rocky points along the north shore of Lake Superior. 30. Potentilla trident at a, Ait. Usually found with the preceding. 31. Prunus pumila, L. Island at east end of Lake Seiganagah. 32. Primus serotina , Ehrh. Fond du Lac and Grand Marais. Distribution of Species. 237 33. Primus Virginiana , L. Grand Marais. 34. Pubus Nutkanus , Mocino. Fond du Lac, Grand Marais, and portage at east end of Sucker Lake. 35. Rubus occidentalism L. Fond du Lac. 36. Rubus strigosus , Michx. Common on all clearings and burnt districts. 37. Rubus villosus, Ait. Fond du Lac. 38. Saxifraga Aizoon , Jacq. South Fowl Lake. 39. Mitella nuda , L. Fond du Lac and Grand Marais. 40. Heuchera hispida , Pursh. Grand Marais. 41. Ribes Cynosbati , L. Grand Marais. 42. Ribes lacustre, Poir. Grand Marais. 43. Ribes prostratum , L’Her. Grand Marais. 44. Ribes Hudsonianum , Richards. Grand Marais. 45. Ribes rubrurn , L., var. subglandulosum , Maxim. Grand Marais. 46. Drosera rotundifolia , L. Barron, Mountain Lake and Burntside Lake. 47. Drosera intermedia , Hayne, var. Americana , DC. Barron. 48. Hippuris vulgaris , L. Grand Marais. 49. Epilobium angustifolium , L. Abundant everywhere on burnt lands. 50. CEnothera biennis , L. West of Brule River. 51. CEnothera pumila, L. Granite River and Oshkosh Lake. 18— A. & L. 238 Cheney — Flora of the Lake Superior Region. 52. Circcect alpina , L. Partridge Falls, Pigeon River. 53. Aralia hispida , Vert. Red Rock, north shore of Lake Superior, and west end of portage between Rove Lake and Mud Lake. 54. Cornus Canadensis, L. Fond du Lac, Grand Marais, Grand Portage, and. Granite River. 55. Sambucus racemosa , L. Fond du Lac and Grand Marais. 56. Viburnum pauciflorum , Pylaie. Grand Marais and near Brule River. 57. Linncea borealis , Gronov. Common and abundant. 58. Lonicera hirsuta , Eaton. On the portage between Grand Portage and Pigeon River. 59. Aster macrophyllus , L. Fond du Lac, Grand Marais, Grand Portage, Gran¬ ite River and Basswood Lake. 60. Erigeron Philadelphicus , L. Portage between Pigeon River and South Fowl Lake. 61. Antennaria plantaginifslia, Hook. Grand Marais. 62. Anaphalis ma,rgaritacea , Benth. & Hook. Eastern extremity of Hunter’s Island and Grand. Marais. 63. Lobelia Dortmanna , L. Rove Lake. 64. Vaccinium Canadense , Kalm. Grand Marais, Granite River, and Gunflint Lake. 65. V accinium uliginosum , L. On rocks north shore of Lake Superior ten miles-, west of Grand Portage. 66. Vaccinium Vitis-Ldcea , L. Grand Marais. 67. Vaccinium Oxycoccus , L. Grand Marais. Distribution of Species. 239 68. Arctostaphylos Uva-ursi, Spreng. Grand Marais. Along the lake shore at Red Rock. 69. Andromeda polifolia, L. Grand Marais. 70. Kalmia glauca , Ait. Grand Marais. 71. Chimaphila umbellata , Nutt. Granite River, and on an island at the east end of Lake Seiganagah. 72. Moneses grandiflora, Salisb. Fond du Lac, Grand Marais, and Rove Lake. 73. Pyrola minor , L. South Fowl Lake. 74. Pyrola secunda , L. Rove Lake. 75. Pyrola chlorantha, Swartz. Pigeon River near Partridge Falls. 76. Pyrola elliptica , Nutt. Portage between Mud Lake and Rat Lake. 77. Pyrola rotundifolia , L ., var. incarnata , DC. Partridge Falls on Pigeon River. 78. Primula Mistassinica , Michx. Grand Marais. 79. Trientalis Americana , Pursh. Grand Marais. 80. Steironema ciliatum , Raf. Island at the east end of Lake Seiganagah. 81. Lysimachia stricta , Ait. Mud Lake, Cook County. 82. Halenia deflexa , Grisebach. Grand Marais. 83. Phacelia Franklinii , Gray. Thompsonite Bay, six miles west of Grand Marais. 84. Mertensia paniculata , Don. Fond du Lac. 85. Phy salts grandiflora , Hook. Ely. 86. Mimulus r in gens, L. Portage between North Lake and Gunflint Lake. 240 Cheney — Flora of the Lake Superior Region. 87. Castilleia pallida, Kunth., var. septentrionalis , Gray. North shore of Lake Superior, five miles west of Grand Portage. 88. Euphrasia officinalis , L. , var. Tatarica , Benth. Grand Marais. 89. Melampyrum Americanum , Michx. North shore of Lake Superior, five miles west of Grand Portage. 90. Ulricularia vulgaris , L. Granite River. 91. Pinguicula vulgaris , L. At Grand Marais and other places on rocks along the lake shore east to Grand Portage. 92. Ly copus sinuatus , Ell. 93. Calaminthci Clinop odium, Benth. Portage between Lake Seiganagah and Oshkosh Lake. 94. Lophctnthus anisatus, Benth. Portage between Burntside Lake and Mud Lake. 95. Scutellaria lateriflora , L. On an Island at the west end of Lake Seiganagah. 96. Scutellaria galericulata , L. With S. lateriflora. 97. Brunella vulgpris , L. Grand Portage and Tower. 98. PI ant ago major , L. At the mouth of Devil’s Track River. 99. Polygonum tenue) Michx. At Grand Marais and Devil’s Track River. 100. Polygonum amphibium , L. Granite River and Basswood Lake. 101. Polygonum viviparum , L. Grand Marais. 102. Asarum Canadense , L. Fond du Lac and Grand Marais. 103. TJlmus Americana , L. Fond du Lac, Grand Marais, and occasional along the boundary between Minnesota and Ontario. Distribution of Species. 241 104. Myrica asplenifolia , Endl. Large island in the west end of Lake Seiganagah 105. Betula lenta , L. Common throughout the region. 106. Betula papyrif 'era, Marshall. Common and more abundant than B. lenta. 107. Betula pumila, L. Borders of lakes along the boundary between Minne¬ sota and Ontario. 108. Betula glandidosa , Michx. Rat Lake. 109. Alnus viridis , DC. Grand Marais, Scott’s Creek and Brule River. 110. Alnus incana , Willd. Grand Marais. 111. Corylus Americana, Walt. Fond du Lac. Grand Portage. 112. Corylus rostrata , Ait. Fond du Lac, Grand Marais, Grand Portage, and everywhere along the route to Tower. 113. Quercus macrocarpa , Michx. On portage between Lake Seiganagah and Oshkosh Lake. « 114. Populus tremidoides , Michx. Common. 115. Populus grandidentata , Michx. Common. 116. Populus bcdsamifera , L. Mountain Lake and Moose Lake. 117. Pinus Strobus, L. This species, with P. resinosa , common throughout the region. 118. Pinus Banksiana , Lambert. Brule River, Red Rock, and along the boundary be¬ tween Minnesota and Ontario west to Basswood Lake. 119. Pinus resinosa , Ait. 242 Cheney — Flora of the Lake Superior Region . 120. Picea nigra , Link. Common in the swamps. 121. Abies balsdmea, Miller. Observed at all points along the route. 122. Larex Americana , Michx. North Lake. 123. Thuya occidentalism L. A common tree in swamps. 124. Juniperus Virginiana , L. Observed at several points along Lake Superior. 125. Taxus Canadensis , Willd. Fond du Lac. 126. Calypso borealis , Salisb. G-rand Marais. 127. Corallorhiza innata, R. Brown. Fond du Lac. 128. Lister a cor data, R. Brown. Rosebud Creek, Brule River, and Rove Lake. 129. Lister a convallarioides, Nutt. Brule River. 130. Spiranthes Romanzoffiana, Cham. Portage between Long Lake and Burntside Lake, and on a the large island at east end of Lake Seiganagah. 131. Spiranthes gracilis, Bigelow. ^ Portage between Long Lake and Fall Lake. 132. Goody era repens, R. Br. Collected at many points along the route. Common 133. Habenaria liyperborea, R. Br. Portage between Rat Lake and Scuth Lake. 134. Habenaria obtusata, Richardson. Common everywhere. 135. Habenaria Hookeri, Torr. Granite River and at the east end of Knife Lake. 136. Habenaria orbiculata, Torr. Rove Lake. 137. Habenaria psy codes, Gray. Granite River and Otter Track Lake. 138. Cypripedium acaule, Ait. Granite River. Distribution of Species. 243 139. Iris versicolor , L. Grand Marais. 140. Sisyrinchium angustifolium. Mill. Grand Marais. 141. Smilacina tri folia, Desf, Near Brule River. 142. Maianthemum Canadense , Desf. Fond du Lac and Grand Marais. 143. Streptopus amplexifolius , DC. Grand Marais. ; 144. Streptopus roseus , Michx. Grand Marais. 145. Clintonia borealis , Raf. Fond du Lac and Grand Marais. 146. Lilium Philadelphicum, L. Observed at two or three points along Lake Supe¬ rior between Grand Marais and Grand Portage. 147. Tofieldia palustris, Hudson. Grand Marais. 148. Luzula spadicea , DC., var. melanocarpa , Meyer. Devil’s Track River. 149. Sparganium minimum , Fries. South Fowl Lake and Sucker Lake. 150. Sagittaria variabilis , Engelm. Fall River and Fall Lake. 151. Sagittaria heterophylla, Pursh. With S. ~variabilis. 152. Potamogeton natans , L. Common in all inland waters. 153. Potamogeton Pennsylvanicus , Cham. Rove Lake. 154. ' Potamogeton amplifolius , Tuckerm. Rove Lake. 155. Potamogeton heterophyllus , Schreb. Rove Lake. 156. Potamogeton pauciflorus , Pursh. Rove Lake. 157. Eriocaulon septangular e , Withering. Lake Seiganagah and small pond east of Sucker Lake. 244 Gneney — Flora of the Lake Superior Region. 158. Scirpus flumatilis, Gray. Island at the east end of Lake Seiganagah. 159. Carex pauciflora, Lightf. Rove Lake. 160. Carex intumescens, Rudge. South Fowl Lake. 161. Carex lupulina , Muhl., var. pedunculata , Dewey. Pigeon River. 162. Carex utrieulata , Boott. Mosquito Bay, Gunflint Lake. 163. Carex monile , Tuckerm. South Fowl Lake. 164. Carex Tuckermani , Dewey. Ely and Barron. 165. Carex retrorsa, Schwein. Mosquito Bay, Gunflint Lake. 166. Carex Pseudo- Cy perns, L. Portage at east end of Otter Track Lake. 167. Carex Houghtonii , Torr. Grand Marais and Mosquito Bay, Gunflint Lake. 168. Carex jilif or mis, L. Grand Marais and Mountain Lake. 169. Carex riparia , W. Curtis. Grand Marais. 170. Carex alpina, Swartz. , Grand Marais. 171. Carex fusca v All. Grand Marais. 172. Carex stricta, Lam. Grand Marais. 173. Carex crinita, Lam. Barron. 174. Carex Magellanica, Lam. Island at the east end of Lake Seiganagah. 175. Carex liihosa, L. Grand Marais and Daniels Lake. 176. Carex arctata , Bohtt. Shore of Lake Superior near Brule River. Distribution of Species. 245 177. Car ex flavct, L. Island at the east end of Lake Seiganagah. 178. Car ex flava, L., var. viridula, Bailey. Island at the east end of Lake Seiganagah. 179. Car ex livida , Willd. Grand Marais. 180. Carex aurea'j Nutt. Granite River near Pine Lake. 181. Carex varia , Muhl. Grand Marais. 182. Carex obesa , All., var. minor , Boott. South Fowl Lake. 183. Carex poly trichoides, Muhl. Mawshequawcawmaw River. 184. Carex tenella , Schkuhr. Rove Lake. 185. Carex canescens , L. Rove Lake. 186. Carex canescens , L., var. polystacliya , Boott. Mosquito Bay, Gunflint Lake. 187. Carex trisperma , Dewey. Rove Lake. 188. Carex tribidoides , Wahl., var. Bebbii , Bailey. Grand Marais. 189. Carex scoparia , Schkuhr. Mosquito Bay, Gunflint Lake. 190. Carex adusta , Boott. Mosquito Bay, Gunflint Lake. 191. Carex straminea , Willd. Grand Marais. 192. Panicum depauper atum, Muhl. Mud Lake, Cook County. 193. Panicum dichotomum , L. Knife Lake. 194. Zizania aquatica , L. Fall Lake. 195. Phalaris arundinacea , L. Gunflint Lake. 246 Cheney — Flora of the Lake Superior Region . 196. Hierochloe borealis, Roem. & Schultes. Grand Portage. 197. Oryzopsis Canadensis , Torr. Gunflint Lake. 198. Muhlenbergia glomerata , Trin. Portage between Burntside Lake and Mud Lake. 199. Brachyelytrum aristatum , Beauv. Rove Lake. 200. Phleum pratense , L. At all old settlements. Introduced. 201. Alopecurus genieulatus , L. At the east end of Basswood Lake. 202. Agrostris scabra , Willd. Falls on Granite River one and a half miles below Gunflint Lake. 203. Calamagrostis Canadensis , Beauv. South Fowl Lake. 204. Calamagrostis stricta , Trin. Along the shore of Lake Superior four miles west of Grand Portage. 205. Deschampsia ccespitosa , Beauv. Grand Portage. 206. Deschampsia ccespitosa , Beauv., var. Vasey. Grand Marais. 207. Trisetum subspicatum , Beauv. Grand Marais. 208. Arena striata , Michx. Scott’s Creek. 209. Dctnthonia spicata , Beauv. Gunflint Lake. 210. Poa nemoralis , L. Grand Portage. 211. Poa nemoralis . L., var. Yasey. North shore of Lake Superior ten miles west of Grand Portage. 212. Poet serotina , Ehrhart. South Lake Portage. 213. Poet pratensis , L. South Lake Portage. Distribution of Species. 247 .214. Poa pratensis, L., var. Yasey. Grand Marais. 215. Glyceria Canadensis , Trin. Portage between Burntside Lake and Mud Lake. 216. Glyceria new at a, Trin. Ely, Fall Lake, Gunflint Lake and Grand Marais. 217. Glyceria grandis , Watson. Ely. 218. Glyceria fluitans, R. Br. , var.. minor , Yasey. Portage at western extremity of Gunflint Lake and North Lake Portage. 219. Festuca tenella , Willd. South Fowl Lake. 220. Festuca ovina , L. Grand Marais. 221. Bromus ciliatus , L. Scott’s Creek. .222. Bromus Kalmii , Gray. Portage between Burntside Lake and Mud Lake. 223. Agropyrum tenerum , Yasey. (?) Rove Lake. 224. Flymus Canadensis , L. Grand Marais and portage at east end of Sucker Lake. 225. Aspidium fragrans , Swartz. Parttidge Falls on Pigeon River, and at the falls at the northern outlet of Lake Seiganagah. 226. Osmunda regalis, L. Partridge Portage. 227. Botrychium Lunaria , Swartz. At the mouth of the Brule River, on the west bank. 228. Lycopodium annotinum , L. This, with the three following, were observed throughout the region. None, however, were col¬ lected. 229. Lycopodium obscurum , L., var. dendroideum^ Watson. 230. Lycopodium clavatum , L. 231. Lycopodium complanatum , L. 248 C heney — Flora of the Lake Superior Region. 232. Selaginella spinosa , Beauv. Grand Marais. 233. Selaginella rupestris , Spreng. Grand Marais, South Fowl Lake, and Rove Lake. 234. Sphagnum cymbifolium , Ehrh. Burntside Lake. 235. Sphagnum jimbriatum, Wils. Burntside Lake. 236. Sphagnum aeutifolium , Ehrh. Grand Marais. 237. Sphagnum Girgensoh?iii, Russ. Burntside Lake. 238. Sphagnum Wulfianum , Girgens, Burntside Lake. 239. Sphagnum intermedium , Hoffm. Burntside Lake. 240. Cynodontium poly car pum, Schimp. Grand Marais. 241. Cynodontium polycarpum , Schimp., var. strumiferumy Schimp. Grand Marais. 242. Cynodontium virens , Schimp., var. Wahlenbergii , Bruch. & Schimp. Grand Marais. 243. Dicranum montanum , Hedw. Ely. 244. Dicranum flagellare , Hedw. Rat Lake and Barron. 245. Dicranum fuscescens, Turn. Grand Marais. 246. Dicranum scoparium, Hedw. Fond du Lac. 247. Dicranum Drummondi, Muell. Grand Marais. 248. Dicranum undulatum , Turn. RoVe Lake. 249. Fissidens incur vus, Schwaegr. Grand Marais. Distribution of Species. 249 250. Fissidens adiantoides , Hedw. Grand Marais and Basswood Lake- 251. Fissidens adiantoides , Hedw., var. immarginatus , Lindb. Gunflint Lake. 252. Ceratodon purpureus, Brid. Collected at Grand Marais. Very common. 253. Distichium capillaceum , Bruch. & Schimp. Grand Marais. 254. Distichium inclinatum) Bruch. & Schimp. Grand Marais. 255. Blindia acuta , Bruch. & Schimp. Grand Marais. 256. Leptotrichum glaucescens , Hampe. Grand Marais. 257. Grimmia apocarpa , Hedw. Grand Marais. 258. Grimmia apocarpa , Hedw., var. rivularis, Nees & Hornsch. Grand Marais. 259. Grimmia unicolor , Grev. Grand Marais. 260. Racomitrium fascicular e , Brid. Grand Marais. 261. Hedwigia ciliata , Ehrh. Grand Marais. 262. Amphoridium Lapponicus , Schimp. Brule River. 263. Ulota Hutchinsice , Schimp. Grand Marais. 264. Ortliotrichum speciosum , Nees. Grand Marais. 265. Encalypta ciliata , Hedw. Grand Marais. 266. Tetr aphis pellucida , Hedw. Grand Marais. 267. Tetraplodon mnioides , Bruch. & Schimp. Lake shore five miles west of Grand Marais. Near the Mawshequawcawmaw River. 268. Funaria hygrometrica , Sibth. Common. Collected near Grand Marais. 250 Cheney — Flora of the Lake Superior Region. 269. Bartramia pomiformis, Hedw. Grand Marais, Partridge Falls on Pigeon River, and falls at the northern outlet of Lake Seiganagah. 270. Philonotis fontana, Brid. Grand Marais. 271. Leptobryum pyriforme, Schimp. Burntside Lake. 272. Weber a polymorpha, Schimp. Lake shore three miles east of Grand Marais. . 273. Weber a nutans , Hedw. Ely. 274. Bryum bimum , Schreb. Grand Marais. 275. Bryum roseum , Schreb. Fond du Lac, Grand Marais, and Barron. 276. Mnium cuspidatum , Hedw. Grand Marais. 277. Mnium affine , Bland. Fond du Lac. 278. Mnium orthorhynchum , Bruch. & Schimp. Knife Lake. 279. Mnium subglobosum , Bruch. & Schimp. Fond du Lac. 280. Aulacomnium palustre , Schwaegr. Granite River. 281. Atrichum angustatum , Bruch. & Schimp. Barron. 282. Pogonatum alpinum , Roehl. Lake shore one mile west of Grand Marais. 283. Pogonatum alpinum , Roehl., var. arcticum , Brid. Granite River. 284. Polytrichum gracile , Menz. Burntside Lake. 285. Polytrichum juniperinum , Willd. Grand Marais. 286. Fontinalis antipyretica , Linn., var. gigantea , Sulliv. Mud Lake, Cook County. 287. Meeker a pennata , Hedw. Fond du Lac and Weyerhauser. Distribution of Species. 251 288. Neekera oligocarpa , Bruch. & Schimp. Grand Marais. 289. Leucodon sciuroides , Schwaegr. Falls at the northern outlet of Lake Seiganagah. 290. Myurella julacea , Bruch. & Schimp. Rove Lake. 291. Leskea obscura, Hedw. Falls at the northern outlet of Lake Seiganagah. 292. Anomodon rostratus , Schimp. Falls at the northern outlet of Lake Seiganagah. 293. Anomodon obtusifolius , Bruch. & Schimp. Fond du Lac. 294. Pylaisia polyantha , Bruch. & Schimp. Rove Lake and Grand Marais. 295. Pylaisia intricata , Bruch. & Schimp. Rove Lake. 296. Pylaisia velutina) Bruch. & Schimp. Ely. 297. Climacium dendroides , Web. & Mohr. Brule River near where it empties into Lake Supe¬ rior. 298. Hypnum gracile , Bruch. & Schimp. Barron. 299. Hypnum recognitum’ Hedw. Fond du Lac. 300. Hypnum delicatidum , Linn. Barron. 301. Hypnum Icetum , Brid. Burntside Lake and Barron. 302. Hypnum salebrosum , Hoffm. Falls at the northern outlet of Lake Seiganagah. 303. Hypnum plumosum , Swartz. Grand Marais. 304. Hypnum strigosum , Hoffm. Grand Marais. 305. Hypnum recurvans , Schwaegr. Gunflint Lake. 252 Cheney — Flora of the Lake Superior Region. 306. Hypnum serrulatum , Hedw. Burntside Lake. 307. Hypnum turfaeeum , Lindb. Ely. 308. Hypnum denticulatum , Linn. Granite River. 309. Hypnum sylvaticum , Huds., var. orthocladium , L. & J. Granite River. 310. Hypnum serpens, Linn. Ely. 311. Hypnum orthocladon , Beauv. Falls at the northern outlet of Lake Seiganagah. 312. Hypnum irriyuum , Hook. & Wils. Falls at the northern outlet of Lake Seiganagah. 313. Hypnum hispidulum , Brid. Barron. 314. Hypnum chry sopliy Hum, Brid. Barron. 315. Hypnum stellatum, Schreb. Burntside Lake. 316. Hypnum aduncum , Hedw., var. Mawshequawcawmaw River. 317. Hypnum uncinatum, Hedw. Ely. 318. Hypnum uncinatum, Hedw., var. plumulosum, Bruch. & Schimp. Burntside Lake. 319. Hypnum crista-castrensis, Linn. Fond du Lac, Grand Marais and Brule River. 320. Hypnum reptile, Michx. Burntside Lake. 321. Hypnum imponens, Hedw. Gunflint Lake. 322. Hypnum arcuatum, Lindb. Barron. 323. Hypnum pratense, Koch, Ms. Burntside Lake. Distribution of Species. 253 324. Hypnum Haldanianum, Grev. Barron and Fond du Lac. 325. Hypnum palustre, Huds. Grand Marais. 326. Hypnum palustre, Huds., var. hamulosum , L. & J. Grand Marais. 327. Hypnum cordifolium , Hedw. Barron and Burntside Lake. 328. Hypnum Sc/ireberi, Willd. Grand Marais. 329. Hypnum splendens, Hedw. Fond du Lac. 330. Hypnum triquetrum , Linn. Barron and Fond du Lac. 331. Frullania Eboracensis, Lehm. Fond du Lac. 332. Radula complanata, Dumort. Fond du Lac. 333. Porella platyphylla, Lindb. Fond du Lac. 334. Ptilidium ciliare , Nees. Grand Marais and Mawshequawcawmaw River. 335. BlepharostOma trie hop hy llum, Dumort. Grand Marais. 336. Cephalozia multiflora, Spruce. Grand Marais. 337. Diplophyllum Dic/csoni, Dumort. Grand Marais. 338. Plagioehila asplenoides, Dumort. Grand Marais. 339. Jungermannia barbata, Schreb. Lake Seiganagah. 340. Seapanm exsecta, Aust. Grand Marais. 341. Pellia epiphylla, Raddi. Brule River. 342. Pellia endivioefolia, Dumort. Barron . 19 A & L 254 . Cheney — Flora of the Lake Superior Region. 343. Preissia liemispha&rica ;, Cogn. Grand Marais. 344. Eiccia fluitans , L. Barron. 345. Eiccia natans, L. Ely. Madison, Wis., Feb. 22, 1893. OF THE WISCONSIN . OF ACADEMY SCIENCES, ARTS, AND LETTERS ' _ EDITED BY THE SECRETARY <% VOL. IX, PART II 1893 I f s A i 0 I vi > r . V v, jAiM & »> • PUBLISHED BY AUTHORITY OF LAW , COUNCIL Term expires December, 1893. President , Geo. W. Peckham, Milwaukee. Vice-Presidents , C. R. Van Hise, Madison. A. H. Tolman, Ripon. J. J. Blatsdell, Beloit. Secretary, Wm. H. Hobbs, Madison. Treasurer , Samuel D. Hastings, Madison. GEOLOGY OF THE WATERLOO QUARTZITE AREA. (WITH PLATES VII- IX). BY IRA M. BUELL. CONTENTS. Introduction. ..... . 255 Field Notes. ....... 258 General geological relations. 258 Description of the exposures. . 259 Structural features. ..... 263 Lithological Characters of the Quartzite. . 266 Prevailing characters. .... 266 The Portland type. . 266 The Hubbleton type .... . 267 The red quartzite. ... . . . 268 The Mud Lake type. .... . 269 The metamorphic conglomerate. 270 Comparison with Lake Superior and Other Quartzites. 270 Summary. ....... . 271 INTRODUCTION. The group of quartzite exposures that occurs in the midst of the Lower Silurian belt of southeastern Wisconsin, near the village of Waterloo, has an immediate local interest as the most remote group of outliers of the Lake Superior pre-Cambrian area, and as the nearest examples of crystalline rocks to the capi- tol of the state. Their peculiar structural types, and relations to adjacent paleozoic formations, and especially their relations to the quaternary formations, present features of general interest, and have caused them to receive considerable attention in geo¬ logical literature. The first public mention of this area seems ii— 2 256 Buell — Geologij of the Waterloo Quartzite Area. to have been made in a lecture given by the late Dr. Lapham in Milwaukee in 1848.* This lecture probably afforded Dr. Owen the data for its first notice in geological literature, which reads- as follows: “The late Mr. J. S. Thayer observed a locality of granite in Dodge county, Wisconsin, (Sec. 33, T. 9, R. 13, West.) It is nearly on a parallel of latitude with Painted Rock on the Mississippi and about one hundred miles east of these granite ridges on Black river and distant about one hundred and twenty miles from the Mississippi and between fifty and sixty miles from Lake Michigan.”! The description indi¬ cates a complete misapprehension of the nature and correlations of the exposures which may be best explained perhaps by the indefinite nature of his information. In Dr. Percival’s report upon Wisconsin geology made in 1855, are two brief descriptions of the outcrops. He describes the ledges as occurring in two parallel ranges, one on the east side of a marsh traversed by Waterloo creek, and the other on the west side of a ridge about a mile farther east. He cor¬ rectly locates two of the four areas described in this paper and associates them with the Baraboo quartzites, but errs in consid¬ ering them to be metamorphosed strata of the Potsdam forma¬ tion. His determination of the strike of the layers is south by east and the dip 20° east, which coincides with my determina¬ tions upon his eastern ledge area. In the records of the Wisconsin Academy of Sciences brief men¬ tion is made of a paper on “The Metamorphic Rocks of Portland and Waterloo,” t which was read at one of its earliest meetings by the Rev. A. O. Wright. In this the author called attention to the rounded and striated surfaces of the outcrops and to the bowl¬ der train extending southward from the main area. In the notes upon the discussion of the paper is the adoption of a resolution that the area be made the subject of scientific examination by a committee from the Academy. Apparently as an outcome of this is an extended note upon the topic by Dr. Irving which was published in 1871 in the American Journal of Science.? This- *Dr. R. D. Irving in note in Am. Jour. Science, Vol. V, p. 282. ■(•Report on the Geology of Wisconsin, Minnesota and Iowa, p. 151. ^Transactions Wis. Acad. Sciences, Vol. I, p. 189. §Am. Jour. Science, Vol V, p. 282. Introduction. 257 account contains a review of previous literature upon the sub¬ ject together with the results of a brief examination of the dis¬ trict. The two areas recognized by Dr. Percival were here described as one. The rock was designated a quartzite, in places a metamorphic conglomerate with seams of talco- silicious schist. The layers were thought to incline to the N. N. E. at a high angle, but this and the strike were not satis¬ factorily made out. The adjacent sandstone was referred to the Potsdam as is the case with the Baraboo outcrops, but the for¬ mation was for the first time correctly referred with its com¬ panion range at Baraboo to the Huronian age. The first detailed description of the area is found in the second volume of the reports upon the Wisconsin G-eological Survey.* In the chapter describing the Archaean formations of the region, Dr. Chamberlin mentions three separate groups of out¬ crops and notes in each the principal ledges. He determined also their true relations to the adjacent sandstone, shales and conglomerates and the underlying Lower Magnesian and over- lying Trenton limestone. The dip and strike of several of the outcrops were noted, but no attempt was made to correlate these observations. The occurence of glacial striae on several of the ledge areas was noted, and in the chapter on the quaternary formations their importance as points of origin of extensive bowlder trains was made prominent.! In two subse¬ quent articles on the glacial geology of the region, published in the reports of the U. S. Geological Survey, President Chamber¬ lin has briefly referred to these outcrops and indicated their bowlder trains. In Dr. Irving’s chapter in the Wisconsin re¬ port already referred to,f this area is briefly described and mapped with the other isolated outcrops of the region, the whole series being grouped with an outlying Huronian belt peripheral to the Archaean area. In this author’s subsequent reports upon the crystalline rocks of the lake Superior region these relations are several times brought out. The peculiar dynamic action to which these quartzites have *Geology of Wisconsin, Vol. II, p. 252. tlbid, p. 202. JIbid, p. 501. 258 Buell — Geology of the Waterloo Quartzite Area. been subjected was first pointed out to me by Prof. Van Hise, and to him is due the suggestion that the schistosity developed in these original elastics would be found to be a valuable means for the discrimination of 1 his rock from other quartzites and its identification in the glacial drift'. My approach to the subject has been from the side of the relations of these quartzites to glacial phenomena, being interested in them chiefly as points of origin of bowlder material which is disseminated through the glacial drift over a considerable area to the south, southwest and west of the ledges. In tracing out this dis¬ tribution in has been found necessary to enter somewhat minutely into the geological relations of the series and to work out the structural features of the quartzite itself, these points being found essential in the consideration of the quesfions of glacial distribution. In this paper are presented only the re¬ sults of these studies upon the constitution and structure of the rock forming the ledge exposures, but with the object in mind of subsequently using this knowledge as a substantial basis for the working out of their relations to the more recent stages of geological history. FIELD NOTES. General Geological Relations — The area including these ex¬ posures lies about twenty-five miles east of Madison in the southern part of Dodge county and in the northwestern town¬ ship of Jefferson county. The outcrops all lie in a broad erosion basin formed from the layers of the St. Peters sandstones and the adjacent limestones. This basin is occupied superficially by broad marsh areas and is drained by the sluggish Crawfish river and its tributaries. The ledges therefore occupy a lower position than the drift-covered limestone ridges in the vicinity. The territory outlined by the exposures extends for about twelve miles in a direction west-southwest from its initial area to the northeast, and the southwest exposure lies about six miles from the opposite margin of the field. The three mar¬ ginal areas may be considered as outlining a rude crescent within whose cusps the fourth area is included. Descriptions of the Exposures. 259 Descriptions of the Exposures — The four areas into which the ledges are grouped are designated as the Portland, Hubbellton, Lake Mills and Mud Lake areas. Two of these were recog¬ nized by Percival, the third was found by President Chamberlin in his study of the region, while the fourth was discovered dur¬ ing the course of my investigations. The first or Portland area lies within, and upon the eastern rim of the marsh drained by the terminal course of Waterloo creek. Rocky Island, its most northern exposure, is a ledge arising abruptly within a shallow lake at the junction of Waterloo creek with the Craw¬ fish river on Sec. 27, Portland township. On three sides the bare, polished roc lies moutonnees rise directly from the water, but on the fourth margin the gently sloping ledge surface dis¬ appears beneath spongy marsh accumulations. The longer axis of the outcrop coincides wfith the strike and direction of latest glaciation, or S. S. W. This extent is seventy-two rods, and its greatest breadth is sixty rods. The highest points of its rounded crests are about forty feet above the marsh level. No talus nor glacial debris is found adjacent to this ledge, but the thin till covering that rests upon the rock surface, bears a vigorous forest growth. Its area is approximately twenty- five acres. A half mile south of this island, domes of quartzite again appear along the crest of a ridge eighty feet above the marsh level. A succession of these ledges continues along the west¬ ern slope and margin of this ridge for a mile, ending in a low dome of rock lying in the marsh on the north-east quarter of Sec¬ tion 33. These outcrops are all beautifully rounded and striated by glacial action, the coincidence of the strike of the beds with the direction of latest glaciation, greatly favoring the devel¬ opment of these symmetrical forms. The eastern margin of the ledge area is heavily overlaid by glacial drift. Along its marshy western border are several low mounds of much weath¬ ered talus and a wide bowlder fringe, the quartzite blocks lying thickly together, and extending for nearly two miles on the lee slope of the ridge area. On the gentle north slope of the ridge and lying between this ledge and Rocky island a very interesting paleozoic con 260 Buell — Geology of the Waterloo Quartzite Area. glomerate appears wherever the thin drift covering has been removed. It is first seen near the crest of the ridge and dis- plays a very coarse boulder bed of rounded, wave- worn quartz¬ ite blocks of three or four square yards area lying closely to¬ gether and imbedded in a matrix of finer quartzite and sand. As the formation is followed away from the ledges down the slope, the size of the quartzite blocks gradually decreases, until, on the bank of the river, a quarter mile distant from the out-crops, the conglomerate passes into a coarse friable sandstone. At cer¬ tain points the imbedded quartzites present deeply exfoliating surfaces indicating extensive weathering. This conglomerate appears at exposed points for half a mile along the north slope of this ridge and limited areas have been noted on the west side of the Portland area on Section 3, Water¬ loo township. No other exposures have been found in the district, though conglomerate bowlders have been seen in the drift in the vicinity of the Lake Mills outcrop. Quarry ledge, the largest single outcrop of the range, lies just south of the last area in the southeast quarter of Section 33. The ledge rises abruptly on its east side, its slope correspond¬ ing to the dip of the strata and its highest point having an elevation of forty-five feet above the marsh level. From this marginal crest the surface slopes gently to the southwest until its border disappears beneath the marsh. A thin drift over- lies the greater part of the ledge, but where this is removed the rock presents a gently undulating glacially planed surface. The strike and longer axis of this out-crop extends in a north¬ west-southeast direction from the center of the north line of the quarter section into Sections 3 and 4, Waterloo .township. Its length is one hundred and eighty rods, and its greatest breadth is eighty rods; its area is about fifty acres. A quarter mile east of this ledge is a high drift ridge that extends for two miles from the margin of the Crawfish on Section 27, Portland township, into Sec. 3, Waterloo township. On the slope facing the quarry ledge a shoulder of rock cuts through the drift for nearly a half mile and on the other side of the hill is a low ledge which covers an area of ten acres. On the de¬ scending crest of this ridge half a mile southwest of the last Descriptions of the Exposures. 261 ledge several low domes and flat planed surfaces of quartzite define the southern limit of the area. The length of the Port¬ land area is two miles and its greatest breadth three-fourths of a mile. The Hubbellton area is second in size and importance to the last. It lies parallel with this and they are separated by a ridge and marsh covered interval a mile and a half wide. Its northern exposure is a bare knob of rock projecting from the end of a drift ridge near the center of the northwest quarter of Section 36, Portland township. In a ravine on the west slope of this ridge the quartzite is again exposed for several rods. A quarter mile south on the center line of Section 36, is a low drift ridge from whose surface the quartzite protrudes at several points. On the western border of this ridge a bare ledge rises from the marsh level and extends for several hundred feet along the. general trend of the area. The remaining exposures are in Section 2, Waterloo township, being separated from the last by a half mile of marsh interval. The principal ledge outcrops form the north end of a drift ridge and extends in the direction of its strike for 300 feet along the east margin of its slope. The crest of the ledge rises about twenty feet above the marsh level and the breadth of the exposed surface is seventy feet. A second outcrop was lately discovered in a low, wooded swell an eighth of a mile southeast of the ledge just described. This consists of rounded edges of rock strata that just appear above the surface over an area of about an acre. In the marsh a quarter of a mile farther south¬ east is another tree-covered ridge with its crest almost com¬ pletely Covered with quartzite blocks, indicating the presence of a ledge at no great depth beneath. These exposures outline an area a mile and a half long and a half mile wide. The single outcrop in the Lake Mills area was found by Pres¬ ident Chamberlin* in tracing to its origin a well-marked bowl¬ der train that crosses the east half of Lake Mills township. The ledge has, therefore, received that name, although it lies on the east ledge of Waterloo township on Sections 24 and 25. It is four miles south of the Hubbellton area on the east mar- * Geology of Wisconsin, Vol. II., p. 253. 262 Buell — Geology of the Waterloo Quartzite Area. gin of the ridge that borders the broad, marshy basin of the Crawfish river. Its linear extent is a quarter of a mile, and its breadth at center is thirty rods. As the rock also appears in a shallow well a quarter mile east of the ledge, it is proba¬ ble that a considerable area of thinly covered quartzite lies be¬ tween the exposed ledges and the high drift ridges to the west. The narrow ledge area of four or five acres evidently repre¬ sents a glacially abraded surface of at least thirty acres. The ledges forming the Mud Lake area were also located by tracing to their origin their trains of bowlder drift. In Pres. Chamberlin’s description of the area just referred to, mention was made of quartzite bowlders at a considerable distance to the north and east of the ledges which were then known. From information obtained from residents of the region I was led to the largest of these ledges at the beginning of my work. This exposure is on the west side of an isolated ridge that lies in the marsh basin north of Mud Lake. Its length is eighty rods and its greatest breadth about sixty rods. The ledge surface on its margins rises abruptly from the marsh, but its highest points do not exceed twelve feet above the general level. The rock surface is also exposed in the bed of the creek that flows through the marsh west of the ledge and indicates an indefinite extension of the outcrop beneath the peat accu¬ mulations of the marsh basin. The presence of quartzite bowlders in the glacial drift on the west side of this marsh and farther north than these exposures was observed at the time of the location of these ledges, but was first explained by supposing that concealed ledges exist in the marsh farther north than those already seen. But their frequent occurrence on the east side of this basin led to successful search for exposures on that side also. The eastern border of this bowlder train was followed from the vicinity of Hubbellton northward across Shields town¬ ship and the erratics were traced to their source in a small ledge on the east side of the marsh in the northeast corner of Section 2. This exposure consists of low swells of rock, the highest rising less than five feet above the marsh, and is in¬ cluded within an area of about four acres. The bowlder train traced to this point stops at the ledge surface, only a single Structural Features of the Exposures. 268 quartzite pebble of the Waterloo type being found among the hundreds of cords of bowlders observed on several square miles of surface which were explored north of this ledge. The posi¬ tion of this ledge at the northeast limit of the quartzite range gives it great prominence in the study of the bowlder trains. The area over which these erratics have been found, forms a sector of eighty degrees divergence from this center and includes within its limits all of the other areas and bowlder trains. The location of several of these ledges by means of their bowlder trains is instructive and suggests the question whether there are not still other quartzite outcrops within the area. Facts relating to the bowlder distribution indicate that such is the case. Their presence in the marsh basin north of the Mud Lake exposures has already been suggested, and seems very probable. Evidence of a similar character exists in the interval between the Portland and Hub bell ton areas. On the surface of a sharp drift ridge midway between these areas a large amount of fragmental quartzite is found which is distin¬ guishable by its peculiarities of color and texture from any hitherto observed in the outcrops examined. It is apparently the product of abrasion from some near but concealed ledge sur¬ face. The existence of a ledge somewhere beneath the drift ridge itself has an increased probability from the observation in a well section on the south end of this ridge, of quartzite beneath eighteen feet of drift and thirty-six feet of red shade. The con¬ cealment of these supposed ledges by glacial drift and marsh accumulations renders their exact location a difficult matter. Structural Features of the Exposures— Within the last few years extensive quarrying has been carried on at two of the ledges, which has very well exposed the bedding planes of the rock. On the broad fresh fracture surfaces thus developed this structure is almost as plainly seen as in unaltered sandstones so that not only the inclination of the layers but much of the conditions accompanying their original deposition is satisfac¬ torily made out. Conglomerate layers are of frequent occurrence in all of the marginal exposures of the Portland area. In the most southerly outcrops on Section 3, Waterloo township, the ledge is chiefly con- 264 Buell — Geology of the Waterloo Quartzite Area. glomerate, the rounded pebbles being almost entirely of quartz, principally of translucent white and gray, but with some red and brown opaque varieties as well. In drift bowlders found in the lee of these ledges, pebbles of larger size from two inches in diameter downwards are seen. These are chiefly of light colored quartz but among them are a few of black magnetitic and gray micaceous schists. The abundance and condition of this included material indicates an approach at this margin of the area to the older formation. In the quarry ledge the discordant stratifica¬ tion observed on the face of the section plainly indicates beach action This is also made evident by the rapid alternation over the same surfaces of finely granular and conglomeratic layers. On one of the ledges north of the quarry outcrop this structure is finely brought out. Crossing a smoothly planed surface of several square rods area are two layers of rather fine conglom¬ erate, separated by a stratum of even-textured rock in which the layers of cross-stratification are as perfectly preserved as if the rock had undergone no metamorphism. No conglomerates have been observed in the other areas. The finer material in these seems to have been very evenly deposited, but the bedding planes are plainly indicated on the ledge sur¬ faces by narrow bands of slightly differing colors. The dip and strike are easily made out on nearly every ledge of the several areas. In the northeast exposure of the Mud Lake area the strike is N. 80° E., or nearly east and west. The dip is here 45° to the south. In the larger western ledge the strike is more southerly or N. 55° E., with dip of 55° S. E. In the north ledge of the Portland area the strike of the parallel ledge crests is N. 30° E. with dip to the S. E. In the ledge next in order on section 28, a strike of N. 43° E. occurs, with dip of 42° to the S. E. On another surface on the northwest corner of sec¬ tion 34 the strike is N. 15° W., with dip of 71° E. In the last ledge of this series on the northeast quarter of section 33, a strike of N. 30° E. was again noted, with dip of 66° to the E. This variation of direction and inclination of strata con¬ tinues in the exposed layers of the quarry ledge. On its north end the bedding planes at two points furnish a due north strike Structural Features of the Exposures. 265 with a dip of 60° to the E. On the south half of the ledge, strikes varying from 30° to 50° west of north were noted with dips from 30° to 40° to the N. E. In the ledges at the south end of the area on Section 3, Waterloo township, the observed strike is N. 34° W., and in the ledge on Section 34, of Port¬ land township, a half-mile north, strikes varying from 33° to 40° west of north, and dips of from 30° to 40° N. E., were noted. In the Lake Mills area strikes of 45° and 60° west of north, with a dip of 40° to the N. E., were determined. In the medial Hubbellton area the strikes observed on the north ledges vary from due north to N. 20° W., with inclination of strata from 30° to 32° to the east. In the south ledges on section 2, Waterloo township, the strikes are from 15° to 20° east of north, with a dip of 20° to the east. The series of strikes occurring on the marginal areas closely correspond to the general outline of the range itself and roughly indicate the circumference of an ellipse on whose north side are the out¬ crops of the Mud Lake area and Island Ledge in the Portland area. The remaining ledges of the Portland area form the end of the ellipse, and the single Lake Mills ledge may be consid¬ ered as indicating che beginning of the south side of the fig¬ ure. The in-sloping strata in all of the out-crops suggest that these isolated areas may be the remnants of a broad, tolerably symmetrical trough, ot steeply sloping sides and crumpled end. The Hubbellton area with its gentle dips is clearly near the center of this basin. The remoteness of the Lake Mills area, together with the rapid change of direction in the strikes of the strata exposed in the Portland area, suggest that this fold may be not a simple, but a somewhat complex synclinal with an injutting anticlinal between the end of the Portland area and the Lake Mills outcrop. This would account for the slight difference in strike of the layers in the Lake Mills ledge and in the ledges at the south end of the Portland area. The absence of outcrops between the two areas leaves the matter simply one of conjecture. The evidences of disturbance here described are of especial interest as explanatory of the metamorphism of the strata which will next be considered. 266 Buell — Geology of the Waterloo Quartzite Area. LITHOLOGICAL CHARACTERS OF THE QUARTZITES. Prevailing Characters — The sharp folding of the strata indi¬ cated by the record of dips and strikes, is accompanied by evi¬ dences of extreme metamorphism. This is apparent in the ledge surfaces in the abundance of seams and cracks, and in the ease with which all angular surfaces are chipped under the hammer. Its effects are also shown on close examination of the rock texture. As compared with the usual quartzite rock from the Lake Superior Huronian it shows a much less distinctly granular appearance. Outlines of individual crystals are very indistinct and in the coarser textured rock ill-defined mottlings take their place. The usual fresh aspect of quartzite exposures charac¬ terizes both the ledge surfaces and in general the material forming the bowlder trains. But in the considerable talus ac¬ cumulations which lie on the margin of the Portland area many of the blocks are deeply exfoliated and similar evidences of at¬ mospheric action occur in some of the imbedded blocks of the Paleozoic . conglomerate that borders the same area. These effects are apparently due to the much greater time that these surfaces have been exposed than the glacially abraded ledges. The minerals recognized in these quartzites are few in num¬ ber, namely quartz with its inclusions of small crystals of zircon and magnetite, and fluid cavities, sericite and iron oxides. Variations in the size of quartz grains and their granu¬ lation from shearing, and in the amount of sericite present, have produced a somewhat wide range in the appearance of the material from the different parts of the field. The grouping of outcrops into isolated areas has given us, how¬ ever, a basis for the classification of these naturally blending forms, which will be followed in the descriptions of the princi¬ pal types. The Portland Type — The outcrops comprising this area afford the widest range in microscopic appearance. The rock is com¬ monly a coarsely crystalline quartzite with a somewhat mottled surface and splintery fracture. The secondary material is chiefly sericite and is relatively large in amount, often in suf- The Portland Type. 267 ficient abundance to give a slightly schistose appearance to fractured surfaces. Variations in structure appear in the chief exposures, gradations occurring in the different layers from finely granular structure to conglomerates containing pebbles two inches in diameter. Its range in color is from light gray to drab in some of the finer textured layers, and to a blue or purplish cast in the ledges farthest east. Less variation is seen in its composition on microscopic ex¬ amination. Quartz appears in fragments of irregular form and varying size, from one millimeter downward to the limit of determination. The most common arrangement of the larger grains is in clusters which give rise apparently to the mottled appear¬ ance of the surface. The separate grains in these clusters often show extinction at nearly the same angle, and this with the close interlocking of such forms indicates that these groups are the fragments in situ of large individual crystals. Quartz and iron oxide, apparently magnetite, are mingled with the interstitial sericite which usually appears in flakes between the quartz areas. The usual inclusions in quartz are present, and in some sections indications of the alteration of the iron oxide to the hydrated form are noticable. This type of structure is shown in Plate VIII, Fig. 1 and Plate IX. Fig. 1. In the dis¬ tinctively conglomeratic layers the pebbles contain very little interstitial quartz material, but the matrix is in large part composed of inwrapping plates of sericite. The Hubbellton Type — Quartzites exposed in the ledges of this area have a quite different aspect and structure from the Port¬ land quartzites. They are homogeneous in texture, of blue and purplish tones, translucent and exceedingly brittle. Bedding- planes are indicated on the cross fracture by narrow bands of varying color and translucency. The outcrops at the north end of the area show dark bluish, somewhat banded layers, while those on Sec. 2, Waterloo township, are of a very brittle translucent rock of reddish purple color. The microscopic structure is similar in all the sections examined from these ledges. The larger quartz grains are commonly of elongated forms and exhibit a parallelism in arrangement. Their outlines are exceedingly irregular and they are usually bordered by 268 Buell — Geology of the Waterloo Quartzite Area. smaller quartz grains. Sericite forms but a small part of the interstitial material, being confined to isolated knots and streaks. The finely granulated quartz is abundant about the larger grains and stainings of ferrite are seen chiefly in association with the sericite. Undulatory extinction is common in the larger quartz sections (Plate VIII, Fig. .3). The layers in the Lake Mills outcrop belong to the Hubbellton type and exhibit unim¬ portant modifications. The prevailing color is a darker blue and the banding in some layers is more distinct. In other layers an increase of iron oxide produces an opaque black rock. Quartz individuals appear in the section to be of somewhat larger size with less amount of fine interstitial material. Iron oxide is present in larger quantity but sericite bears about the same proportion to the other minerals as in the Hubbellton sections (Plate VIII, Fig. 4). The black layers appear to be composed of very finely pulverized quartz, cemented by an opaque matrix in which magnetite composes a considerable proportion of the whole. The Red Quartzite. — This type has already been noted as present in considerable quantity on the surface of a drift ridge- midway between the Portland and the Hubbellton areas. It is a fine textured rock of pinkish gray color, of low translucence and presents on fractured surfaces a granular or saccharoidal aspect. Quartz individuals as seen in section are very small, usually not exceeding one-fifth of a millimeter in diameter. They are distributed quite uniformly through the section, and are enveloped in a comparatively large amount of sericite-bear- ing interstitial material. In one of the sections examined clus¬ ters of larger grains occur, in which the correspondence of out¬ line and slight orientation of axes indicate that they are simply the slightly displaced fragments of single crushed indi¬ viduals. (Plate VIII, Fig. 2; Plate IX, Fig. 2.) This rock resembles in composition and structure the Portland type, but in general appearance is very similar to the rocks of the Hub- bleton area. Its interest aside from its unknown derivation consists in its well defined red color and the consequent ease with which its bowlder distribution has been made out. Errat- The Mud Lake Type. 269 ics identical in appearance with these have been found in each of the distinctive areas covered by the bowlder fans. The Mud Lake Type — The quartzites here exposed have a gen¬ eral resemblance to the rock from the Portland area, but are more vitreous and translucent, the quartz appearing in larger crys¬ tals with indistinct outlines and with smaller amounts of inter¬ stitial material. Minute facets of mica and streaks of reddish opaque iron oxide appear on fractured surfaces. The coarser varieties range in color from light gray through pink and blue tones to dark red and purple, with little apparent difference in structure. All of these variations in color appear in the layers exposed within an area of a few square rods on the surface of the small east ledge. The larger west ledge presents a finer textured rock of more uniform color, which approaches in gen¬ eral aspect the layers exposed in the Lake Mills ledge. The structure shown in thin sections is distinctive. Quartz individuals are of a larger size than any found elsewhere in the series, often appearing of several square millimeters area. Their outlines are very irregular, the individuals closely inter¬ lock and comparatively little finely granulated material is pres¬ ent. The larger grains show evidence of much disturbance, fine irregular cracks traversing the section in all directions (Plate VIII, Fig. 5.). Sericite inclusions are abundant in sections from the micaceous layers. In the same sections, however, lines of fluid inclusions lying in roughly parallel directions divide the larger areas into linear fragments and indicate the position of the fracture planes developed by the shearing process. The sericite films are found for the most part along these lines of inclusions and their association indicates that the secondary mineral was formed at the time of the crushing of the crystals, and that the amount of internal movement was not sufficient to greatly displace the fragments (Plate VIII, Fig. 6.). Besides these secondary inclusions small crystals of magnetite are of frequent occurence. Microscopically also the finer grained quartz¬ ite from the west ledge resembles that which occupies the Lake Mills area. The arrangement of these fluid inclusions is very similar to those described by Dr. Van Hise from the quartzites of the 270 Buell — Geology of the Waterloo Quartzite Area. Black Hills,* and they are there considered as due to the open¬ ing of the grains along these lines by the crushing force and the attendant redeposition of quartz imprisoning within them the inclusions. The Metamorphic Conglomerate. — Some light is thrown upon the origin of the formation by an examination of the pebbles from the conglomeratic layers. These are chiefly of very pure glassy quartz from white to reddish purple or nearly black, but among these are gray micaceous and black magnetite frag¬ ments. Sections from the latter show that quartz is still the principal mineral, with large amounts of mica and iron oxides in the interstitial material. Hematite occurs with the mao1- netite in these sections, the former being distinguished by its blood red translucency. The matrix inwrapping these pebbles contains a relatively large amount of sericite and gives a more decided schistose aspect to the conglomerate than is observed in the more homogeneous layers. The presence of these con¬ glomerates on the northwest margin of the area may indicate the near approach of the strata to the contact zone bordering the older formation. COMPARISON WITH LAKE SUPERIOR AND OTHER QUARTZITES. The evidence of dynamic action accompanying the meta¬ morphism of these rocks is strikingly at variance with the more common structure of the pre-Cambrian quartzites of the region of the Great Lakes and upper Mississippi as described by Dr. Van Hise.f He says: “About one hundred localities, the most of them of pre-Cam¬ brian age, are mentioned in bulletin No. 8 of the U. S. Geological Survey, in which the induration of quartzites was produced by a process of enlargement of old quartz particles or else by the deposition of new quartz between the grains rather than a destruction of the original fragments. So far as our experience has extended, practically all quartzites properly so-called of whatever age, thus reveal their fragmental * Bulletin of the Geological Society of America, Vol. I, p. 215, et seq. tlbid., p. 213. Summary . 271 character, except when they have been subjected to great dynamic action. * * * The great mass of the Devil’s Lake quartzite of Cen¬ tral Wisconsin exhibits perfectly, under the microscope, its frag¬ mental character, but along certain narrow zones slipping action has taken place ; the grains have been elongated in a common direction, and it is hard to find the clastic cores if any exist. ” Later observations upon the Huronian quartzites made by Dr. Van Hise indicate that instances of dynamic metamorphism are not altogether uncommon among them. These, however, occur in comparatively narrow areas and where structures similar to these found in the Waterloo area are noticed. Differences in the composition of the rock are generally sufficient to distinguish them. A beautiful instance of the extent to which the deformation of quartz can be carried by pressure has been described by Futterer.* In his description of the quartz porphyries of Thai in the Thuringian Forest, he mentions the apparent stretching and bending of quartz grains into forms of several times their original length. He notes the disturbance in the molecular ar¬ rangement which appears in the optical behavior of the mineral, a bisectrix emerging in some sections as in the case of biaxial minerals. SUMMARY. The quartzites here described occur in a broad basin deeply eroded into the Lower Silurian strata in southern Wisconsin, and are grouped into four areas separated by considerable in¬ tervals of surface underlaid by sedimentary rock. From the correlation of observations upon the strike and in¬ clination of the strata, a synclinal fold is indicated having an east .west axis; the fold appears to have an easterly pitch and comes to the surface in the vicinity of the Portland out¬ crop. The direction of dip in the Mud Lake and Lake Mills areas would seem to outline the position of the synclinal. Dips as high as sixty degrees occur in the Portland area, and the rapid variation both in strike and dip even within a single ex- * Die Ganggranite von Grosssachsen und die Quartzporphyre von Thai im Thuringer Wald. Inaug. Diss. Heidelberg, 1890. ii — 3 272 Buell — Geology of the Waterloo Quartzite Area. posure, are evidences of strong orographic movements in. the area. The rock is throughout a quartzite becoming conglomeratic in portions of the Portland area. Magnetite and zircon occur sparingly as primary inclusions, while sericite is a somewhat important secondary development in some types. The microscopic examination of the sections reveals much deformation of the quartz. The ditrital character of the rock has been nearly obliterated by the crushing and re¬ cementing of the quartz grains. Sericite has been developed through this means. Differences in composition and degree of metamorphism have produced four tolerably distinct types of quartzite, the recognition of which in the fragments composing the bowlder trains is of great assistance in defining their distribution. These correspond with the isolated areas of outcrops and are described under the names Port¬ land Type, Hubbellton Type, Red Quartzite and Mud Lake Type. Miscroscopically the distinctions lie in the relative coarseness of texture, the amount of granulation of quartz, the relative development of secondary sericite and the way in which the larger quartz fragments join one another — whether by locking together without interstitial material like the sutures of a skull, or cemented by a larger or smaller amount of finely granulated quartz and sericite. While the differences in these respects are not always great, they nevertheless suffice in most cases for the indentification of a specimen with some one of the' exposure areas. Corresponding with the microscopic differ¬ ences, are variations in the aspect of the rock which seem slight at first and are difficult to describe, but which from long familiarity come to have distinguishing value. From a comparison of structural features found in these rocks with Huronian quartzites from the areas of their occurrence to the north and northeast of this region the deduction is reached that the former present distinctive features of sufficient value to lead to their recognition. Familiarity with these differences is of great assistance as affording criteria for separation of the quartzite drift from the Waterloo area, from bowlder material from any of these other- Explanation of Plates. 273 sources, and enabling a more exact delineation to be made of bowlder trains that extend outwards from these ledge areas upon and within the different glacial formations of the Rock river valley. It is but just to state in conclusion that the petrographic in¬ vestigations here outlined have taken the writer into a field new to his experience and that acknowledgements are due to Dr. W. H. Hobbs, of the University of Wisconsin, under whose instruction this work has been carried on, and whose sug¬ gestions have been of invaluable assistance in this presentation of results. EXPLANATION OP PLATES. PLATE VII. Map of the area including the Waterloo quartzite outcrops. Scale 1:99,566. Contour Interval 20 ft. The dark areos are quartzite exposures. i PLATE VIII. Fig. 1. Section, of Portland quartzite. In the upper left hand portion of the section is a cluster of quartz grains. Sericite and magnetite with finely granular quartz form the greater part of the interstitial material. x25. Fig. 2. Section of red quartzite. The quartz is in clusters of small grains with some more finely comminuted grains as interstitial matter, but the larger part of the interstitial mater¬ ial is sericite in elongated irregular forms. x25. Fig. 3. Section of Hubbellton quartzite. The larger quartz grains are in elongated forms with general parallelism in axial directions. They are often fractured and generally show un- dulatory extinction and peripheral granulation. The inter¬ stitial material is chiefly finely granular quartz. Sericite oc¬ curs in scattered areas with occasional grains of magnetite and zircon. x25. Fig. 4. Section of Lake Mills quartzite. The minerals and their arrangement are the same as in Fig. 3, but the quartz 274 Buell — Geology of the Waterloo Quartzite Area. grains are larger, less elongated, and have a smaller amount of finely comminuted quartz as interstitial material, indicating that it has been subjected to less disturbance than the last. x25. Fig. 5. Section of Mud Lake quartzite. The large quartz grains are elongated and have wavy extinction, interlocking with one another without interstitial material, the axial direc¬ tion of the interlocking areas being essentially parallel. Seri- cite occurs in small scattered areas. x25. Fig. 6. Section of Mud Lake quartzite. Sericite and liquid inclusions in a single quartz individual. The sericite fre¬ quently shows hexagonal outlines and is arranged along the fracture lines like the liquid inclusions. The latter divide the surface into irregular areas. x25. PLATE IX. Fig. 1. Section of Portland quartzite. The quartz is in clusters of angular interlocking grains. The interstitial ma¬ terial is chiefly sericite. Crossed nicols. x40. Fig. 2. Sections of red quartzite. The quartz grains are more evenly distributed than in the last, are of smaller dimen¬ sions, and are accompanied by a larger proportion of sericitic interstitial material. Crossed nicols. x40. Vol. IX. PL VII. Trans. Wis. Acad. Sci. Buell. Waterloo Quartzite Area. Vol IX, PL VIII. Trans. Wis. Acad. b’ci. Buell. Waterloo Quartzite Area. Vol. IX , PL IX. Trans Wis. Acad. Scl. Fig. 2. Buell. Waterloo Quartzite Area. Fig. 1. NOTES ON CLADOCERA. III.* By E. A. Bikge, Professor of Zoology, University of Wisconsin. A. On a Collection of Cladocera from Central and Northern Wisconsin and Northern Michigan. In the summer of 1892, I made a short collecting trip through central and northern Wisconsin, occupying the last days of July and the first of August. Earlier in the same season I visited Green lake and made collections supplementing the pelagic material kindly given me by Prof. C. Dwight Marsh, of Ripon College, Wis. In August, 1893, I collected Cladocera in Washington Harbor, Isle Royale, Michigan, and in Gogebic lake, Mich. During the same season Mr. L. S. Cheney, of the University of Wisconsin, collected for me in northern Wiscon¬ sin, but his material, except that from lake Yieux Desert, has not yet been thoroughly studied. My thanks are due to Hon. Philo Dunning, the former president of the Wisconsin Pish Commission, and to Gen. E. E. Bryant, its present head, for securing me free transporta¬ tion on these excursions; and to the officials of the Chicago, Milwaukee & St. Paul Railroad, and of the Milwaukee, Lake Shore & Western Railroad for transportation furnished. The central Wisconsin collections were made from lakes Winnebago, Butte des Morts and Green, and also from ponds and marshes at Necedah and New7 Lisbon. Pelagic material has also been given me by Prof. Marsh from lakes Puckaway, Buf¬ falo and Rush, but this, so far as examined, has shown little of interest. In northern Wisconsin I visited Rhinelander, collecting in * The preceding articles of this series were published in the Transac¬ tions of this Academy, vol. IV, 1878, and vol. VIII, 1891. 276 Birge — Notes on Gladocera. lake Julia and in marshes ; lakes Tomahawk and Kawaquesaga in Oneida county, Pioneer and Twin lakes in Forest county, and Ashland and Bayfield harbors on Lake Superior. Mr. Cheney coll¬ ected in lake Yieux Desert on the line between Michigan and Wisconsin, and I have visited lake Gogebic in Michigan and have received material collected, at Watersmeet by Prof. C. R. Barnes. Collections were also made at numerous other points in north¬ ern Wisconsin, among them Goodnow, Harshaw, Hixon and Tomahawk on the Valley Division of the C. M. & St. P. R. R. , Lac du Flambeau, Woodruff and Bolton on the M. L. S. & W. R. R., but they did not show any species not included in the lists from the lakes where more careful work was done. The lakes in which I collected differ considerably in charac¬ ter. Lake Winnebago is a large sheet of water, about thirty miles long by fourteen in width. It is very shallow — nowhere over twenty to twenty-five feet deep. At the place where my collection was made — about eight miles north of Oshkosh — the lake yielded a great amount of pelagic material and but little from the shore waters. Anchistropus minor is the only rare species found here. Lake Butte des Morts was visited only at the end nearest Oshkosh. The collection from this lake as well as that from lake Winnebago can not represent their fauna at all adequately. Green lake near Ripon has been thoroughly studied by Prof. C. Dwight Marsh so far as its pelagic Copepoda are concerned. Its physical characters are described by him in a paper pub¬ lished in the Transactions of this Academy, vol. VIII, p. 214. The lake is over 200 feet in depth. It afforded very few pe¬ culiar forms. Pleuroxus nanus was found here and this is the furthest point to the south at which it has been found. If further study shows this species to have a wider southern range, the Cladoceran fauna of the lake will not differ from that of the shallower lakes in the same region. Collections were made at Necedah and New Lisbon from streams, ponds and marshes. Latonopsis australis was found at the former place, the only locality where it has been found out¬ side of Madison. Where Collections were Made . 277 The most important collection of the excursion was made at Minocqua in lake Kawaquesaga. This is a very irregular sheet of water, whose numerous shallow bays are filled with an abundant growth of Utricularia and other water plants. Its depth is not over thirty feet in any place which I visited. Thirty-nine species of Cladocera were found here, the most re¬ markable being the new species, Bunops scutifrons and Chydo¬ rus faviformis. Here, too, Acantholeberis curvirostris and Streblocerus serricaudatus were found for the first time. The other lakes examined in northern Wisconsin were Julia, Tomahawk, Twin, and Pioneer. They are much alike in -character. They are twenty to thirty feet deep, rather regular in outline, at least in the parts visited. The bottom is sandy, the shore abrupt with little marsh and few water plants. Rushes grow in the shallower parts but usually spring from the sand, so that the conditions are not the best for a large variety of Cladocera. Holopedium gibberum was found in -only one of these lakes, lake Julia at Rhinelander. Leptodora hyalina did not occur at all, although it was looked for. The species has however been found in the same region at Waters- meet, Mich., so that no conclusion as to its distribution can be drawn from its absence in these cases. Gogebic lake, Michigan, is a large lake about fourteen miles long and two to three in width. It is shallow, being only about twenty- two feet deep at the southern end which was the part I visited. Into this end the Slate river flows and there is an abundant growth of weed. There are many littoral species, and as the lake is so long and so much exposed to the wind, the pelagic species are mingled with the littoral fauna. Here was found a remarkable variety of D. hyalina , whose crest resembles greatly that of D. intexta , Forbes. In this lake were found the rare forms, Anchistropus minor , Rirge, Chydorus rugidosus , Forbes, Chydorus faviformis , Birge. Pelagic collections were made at Ashland and Bayfield, Wis. Nothing of especial interest was found except Holopedium gib¬ berum at Bayfield and a single specimen of Macrothrix rosea at the same place. 278 Birge — Notes on Gladocera. Washington Harbor, Isle Roy ale, was carefully examined. There was a very scanty pelagic fauna. This was true of all places where I dredged on the north shore of Lake Superior. In the shallows at the head of the harbor were found Drepanothrix dentata in large numbers (not previously found except at Madison), Alona falcata , Chydorus rugidosus , Pleuroxus nanus. In the following table l denotes that the species was found in the littoral waters; p, that it is pelagic; m, that it was found in marshy waters. Table showing the species of Gladocera collected in central Wiscon¬ sin and northern Wisconsin and Michigan. Butte des Morts. Winnebago. Green. Necedah . New Lisbon. Julia. Rhinelander. Tomahawk. Miuocqua. Twin. Pioneer. I -Ashland. ] Bayfield. ) Isle Royale. Vieux Desert 1 1 Gogebic. Holopediid^e. I 1 Holopedium gibberum, Zad ... . P P Sididjs. Sid a crystallina, 0. F. M . 1 1 .Ip 1 P lp lp P m lp 1 P lp IP 1 j Daphnella brachyura, fiip.v .... 1 lp lp Ip 1 P pi 1 Daphnella Br andti- n.nrt.n, TTisrVh 1 1 m m 1 Latona setifera, 0. F. M 1 P 1 lp Latonopsis OCCident- nl.is Rirgp. m Daphniidje. Simocephalus vetulus, O F M 1 m m m m P m m 1 m m Simocephalus serrula- tus , Koch . 1 1 1 m m m 1 1 Simocephalus exspino- sms TCnph m 1 i m Ceriodaphnia reticu¬ lata , Jur . Ceriodaphnia pulch- ella, Sars . Ceriodaphnia consors , Birge . i ixi m 1 1 1 m 1 1 i ] 1 1.. List of Species. 279 Butte des | Morts. - Winnebago. [ Green. Necedah. New Lisbon. | Julia. Rhinelander. | Tomahawk. Minocqua. Twin . Pioneer. Ashland. Bayfield. Isle Royale. Vieux Desert 1 | Gogebic. 1 Daphniidte — Continue J. Ceriodaphnia quad- 1 1 1 Ceriodaphnia lacus- 1 ip P P 1 1 ■j Scapholeberis aurita, Fisch . bn Scapholebers mucron- ata, O. F. M . Daphnia pulex, var . puUcaria, Forbes Daphnia Sclioedleri , 1 m m m m m 1 P 1 m 1 1 ... P p p Daphnia hyalina, Ley- P p p pi p p Ip IP Daphnia Kahlbergien- sis. var. retrocurva and i n t e x t a. P P P p P p p 1 p Daphnia Kahlbergien- sis, var. breviceps, var. nov . P Macrothricid.®. Lathonura red iros- tris , 0. F. M . m 1 1 f, Macrothrix rosea , Jur . Macrothrix laticornis, Jur . ' 1 m m p * P Drepanothrix dentata, Euren . .... 1 Ophryoxus gracilis, Sars m 1 p 1 1 Bun ops scutifrons, sp. nov . 1 Streblocerus serricau- datus, Fischer . m 1 Acantholeberis curvi- rostris , 0. F. M. . .. Ilyocryptus Ion giro- mis, Sars . m m - m 1 1 1 Bosminid,e. Bosmina longirostris , 0. F. M . 1 lp 1 1 m i P 1 1 1 , Bosmina cornuta, Jur. 1 Bosmina , sp? . P P X) P p t) P P P Ip P Ip Jr Lynceidte. Eurycercus lamella- tus, 0. F. M . 1 m m m 1 P 1 m 1 • • « • 280 Birge — Notes on Cladocera. Butte des Morts. Winnebago. Green. .a ts 8 O) A New Lisbon. Julia. | Rhinelander. Tomahawk. Minocqua. Twin. Pioneer. Ashland. Bayfield. Isle Royale. Vieux Desert. d 3 o bfl o 0 LYNCEiDiE— Contra i ied . Alona qua dr an g u- laris, O, F. M . 1 m m 1 m 1 1 1 1 Alona lineata, Fischer m 1 m p 1 1 1 m m 1 1 1 Alona costata, Sars. . . Alona lepida, Birge . . . 1 1 m m m 1 m m 1 m P 1 1 1 1 Alonella rostrata , Koch . 1 1 Monospilus tenuiros- 1 1 P m 1 1 Graptoleberis testudi- naria , Fischer. . . . 1 m 1 lp m 1 Dunhevedia s etiger, Birge . 1 » Pleuroxus denticula- tus, Birge . 1 m m m m P m P 1 1 1 Pleuroxus gracilis, Hu- dendorff, var. uni- dens, Bilge . 1 m m 1 1 Pleuroxus exiguus,Jj illj Pleuroxus excisus, Fischer . m m m m m Pleuroxus procurva- tus, Birge . 1 m 1 m mp 1 m 1 m 1 Pleuroxus nanus, Baird . 1 1 1 1 Pleuroxus hastatus, Sars . m m p 1 Anchistropus minor , sp. nov . 1 1 Chydorus rugulosus, Forbes . 1 1 Chydorus fctviformis , sp. nov. . . 1 m 1 Chydorus sphcericus, O. F. M . 1 IP 1 m m m 1 m m IP 1 lp 1 m 1 1 Chydorus globosus, Baird . . 1 IP 1 Alonopsis latissima, Kurz . m 1 mp m Acroperus leucocepha- lus, Koch m m m m m 1 i 1 Acroperus angustatus, Sars . 1 m m 1, . . . . 1 m i 1 Classification of Species Collected. 281 The total number of species and varieties in the foregoing list is sixty-three, distributed as follows : Holopediidse . 1 Sididse . 5 Daphniidse . 16 Macrothricidse . 9 Bosminidse . 2* Lynceidse . 28 Polyphemidse . 1 Leptodoridse . 1 63 It is not impossible that the forms described as Daphnia JSchoedleri, Sars, and D. pulex , var. pulicaria, Forbes, are really the same. More than two varieties of D. Kahlbergiensis , Schdl. , might have been enumerated, and almost every lake has its own variety of D. hyalina , Leyd. Among the Lynceidse the several varieties of Chydorus sphoericus were noted but their distribution was not determined. These were the forms, (7. coBlatui} Schdl.; punctatus, Hellich; nitidus , Schdl., and minor. * Besides several unidentified forms. 282 Birge — Notes on Cladocera. Lillj. Daphnia minnehaha , Herrick, and Fleur oxus trigonellusf O. F. M., were also found at Tomahawk, Wis. There have, therefore, been collected from central and northern Wisconsin a total of sixty-nine species and varieties, which in most Euro¬ pean lists rank as species. The following species in the list are new to science: Geriodaphnia lacustris , sp. nov. Daphnia Kahlbergiensis Schdl. var. breviceps , var. nov. Bunops scutifrons , gen. et sp. nov. Anchistropus minor , . sp. nov. Chydorus faviformis , sp. nov. The following species are new to the United States: Simocephalus exspinosus , Koch. Geriodaphnia quadrangula , Sars. Streblocerus serricaudcttus, Fisch. Acantholeberis curvirostris , O. F. M. Alona falcata , Sars. Alonella rostrata , Koch. Fleur oxus hastatus , Sars. Acroperus angustatus , Sars. The following species are new to Wisconsin: Daphnia pulex , var. pulicaria, Forbes. Monospilus tenuirostris , Fisch. Pleuroxus nanus, Baird. Ghydorus rugulosus , Forbes. The following species and varieties have not as yet been found in southern Wisconsin, although no doubt many of them will be discovered there : Daphnia Kahlbergiensis , var. breviceps , Birge. Acantholeberis curvirostris , O. F. M. Alona falcata , Sars. Alonella rostrata , Sars. Monospilus tenuirostris , Fisch. Pleuroxus nanus , Baird. Pleuroxus hastatus , Sars. Ghydorus rugulosus , Forbes. Ghydorus faviformis , Birge. Species and Varieties Known to Exist in Wisconsin. 283 Several species were not found north of central Wisconsin: Scapholeberis aurita , Fisch. Pleuroxus exiguus, Lillj. Dunhevedia setiger , Birge. Alona quadrangularis , O. F. M. Without doubt the range of many of these will be extended by further study. A striking example occurred just as this paper was going to press. Macrothrix rosea , Jur. was not found in northern Wisconsin, although abundant in the centre of the state and although it was especially sought. Finally a single specimen was found in a pelagic collection from Bayfield at the extreme north of the state A considerable number of species have been found in southern Wisconsin, whose range has not as yet been extended to the northern part of the state. These are : Moina affinis , Birge. Moina flagellata , Hudendorff. Ceriodaphnia megalops , Sars. Scapholeberis obtusa , Schdl. Daphnia pulex , De G-eer. Daphnia microcephala , Sars. Daphnia longiremis , Sars. Ilyocryptus sordidus , Liev. Bosmina longicornis , Schdl. Bosmina bohemica , Hellich. Leydigia quadrangularis , Leyd. Alona tenuicaudis , Sars. Alonopsis latissima , var. media , Birge. Camptocercus macrurus , O. F. M. Camptocercus biserratus,. Schdl. Adding these to the former list we have a total of eighty- four species and varieties - known to exist in Wisconsin. Of these varieties it may be said that nearly all of them are recog¬ nized as species in standard lists of European Cladocera and in comparing the fauna of Wisconsin with that of any other country, most of them must be counted as species. 284 Birge — Notes on Cladocera. The list of Wisconsin forms has now become so great that it is not premature to compare our fauna with that of European countries. The following table will show the number of species reported from various countries as compared with the Wisconsin list: ' Bohemia, Hellich, 1878, 00 00 00 r— 1 2 M Denmark. Mulbe, 1867. Norway. Sars, 1890. Wisconsin. Birge, 1893. Holopediidae . . 1 1 1 1 1 Sididse . 4 3 4 5 5 Daphniidse . 39 36 19 24* 24 Macrothricidse . . .8 6 6 11 10 Bosminidee . 5 5 7 15 4t Lynceidse . . 37 47 31 40 38 Polyphemidse . 1 1 6 8 1 Leptodoridse . 1 1 1 1 1 Total . . . 96 100 75 105 84 * Besides numerous varieties, j* And several undetermined species. In comparing the above lists the fact must be noted that Hellich’s list for Bohemia and Daday’s for Hungary both con¬ tain a large number of species of the genus Daphnia. Hellich gives twenty-four species of this genus and Daday enumerates eighteen. Many of these are of doubtful value. A certain por¬ tion of them can be fairly set against the varieties of that genus included in my total. But after making all deductions Gladocera of Wisconsin and Europe Compared. 285 of that sort I have no doubt that the number of the species of that genus which are found in temporary pools is smaller here than in Europe, as the rainfall here is so much less. Sars, who has described so many species of Daphnia , reduces the total number for Norway to nine in his latest list. My list in¬ cludes eleven species and varieties of this genus, and the num¬ ber should be reduced about one-half in order to compare it fairly with Sars’ list. Norway on the other hand furnishes fifteen species of the genus Bosmina. This genus has yielded me only four species. I have a large amount of material, embracing certainly several species, but in the absence of recognizable descriptions and fig¬ ures of European forms, I hesitate to describe them. Sars also enumerates eight species of Polyphemidse, which family in Nor¬ way shows marine as well as fresh-water species. If we omit these two families from the comparison between Norway and Wisconsin, we shall find for Wisconsin eighty-one species and varieties arid for Norway eighty-two species. If we take from Wisconsin’s list the varieties of the genus Daphnia , we shall be able to compare the lists on a fair basis and may reckon the number of the known species at about seventy-six. This number is so nearly equal to that found in Norway, whose Cladocera are better known than those of any other European coun¬ try, that it seems fair to compare the fauna of Wisconsin with that of Europe in order to see how many species are common to both sides of the Atlantic and how many are peculiar to America. The following table shows these relations as I find them. Column I shows the species common to Wisconsin and Europe, II the species peculiar to America, and III the varieties peculiar to America: 286 Birge — Notes on Cladocera. I. II. III. Holopediidm . 1 0 0 Sididse . 4 1 0 Daphniidse . 16 4 4 Macrothricidm . 8 1 0 Bosmi'nidae . 4 0 0 Lynceidse . 29 7 2 1 0 0 Leptodoridse . 1 0 0 Total . 64 13 6 Besides these enumerated in the table, one species, Ilyocryptus lonyiremis, Sars, is common to Wisconsin and Australia. It is possible that the forms described in the second section of this paper under the names D. microcephalcc and D. lonyiremis , Sars, are really entitled to rank as independent varieties. If so the totals must be correspondingly altered. It is also to be ob¬ served that Imhof has noted * but not described a new species of Bosmina from Green lake, Wisconsin. The facies of our fauna is even more European than these fig¬ ures would indicate. American varieties of European species need, of course, no comment. They are only slightly dif¬ ferent from the European form. The like may be said of m'any of the Wisconsin forms considered as entitled to specific rank. Many of them are very close to European species, as may be seen from the following list: *Zoologischer Anzeiger, vol xiv, p. 275. Similarity of Wisconsin and European Forms. 287 Wisconsin. Europe. Moina affinis , Birge. Ceriodaphnia lacustris, Birge. Ceriodaphnia consors, Birge. Daphnia minnehaha , Herrick. Bunops scutifrons , Birge. Aona lepida , Birge. Pleuroxus denticulatus , Birge. Anchistropus minor , Birge. Chydorus rugulosus , Forbes. 3/. rectirostris , Jur. (7. hamata , Lillj. (7. laticaudata , P. E. M. H. dentata , Matile. A. ( Maerothrix ) serricaudata y Daday. A elegans , Kurz. Z\ aduncus, Jur. A emarginatus , Sars, (7. gib bus, Lillj. Besides these, llyocryptus longiremis , Sars, is close to Z agilis, Kurz ; Latonopsis occidental is, Birge, is closely allied with Sars’ Z. australis from Australia. The genus has not as yet been found in Europe. Pleuroxus procurvatus, Birge, and Chydorus faviformis, Birgey do not seem to be closely connected with any other known species. The forms of the genus Daphnia, described by Forbes under the name of Z>. retrocurva, are the representatives in this coun¬ try of the European Z. cucullata with its varieties, especially Kahlbergiensis, Schdl. Perhaps as all our forms are provided with a pectinated caudal claw, it would be well to make of them a separate species. This would then probably bear the name D . Jcerusses, Cox. In any case the Wisconsin forms closely corre¬ spond to those of Europe in nature and range of variation of the crest of the head. It thus appears from the list and comments that the fauna of Wisconsin differs very slightly from that of Europe. No genus thus far discovered here is peculiar to America, and, only two of our species lack a close relative in Europe or some other widely separated land. So close is the relation between our species and their foreign allies that we cannot doubt that more careful study of the range of variation shown by the Cladocera will re¬ duce many of our thirteen peculiar species to the rank of vari¬ eties. In a recent paper on the geographical distribution of t’ne- ii— 4 288 Birge — Notes on Cladocerci. Cladocera,* M. Jules Richard concludes that less than one-half of the species found in North America are peculiar to that coun¬ try, and that careful revision will reduce this proportion. He gives a list of species found here, using as authority, apparently, Herrick’s list in the Minnesota Geological Report for 1884. This list contains a large number of species both from my paper of 1878 and from Herrick’s own work, which are unques¬ tionably synonyms of European species. The real relation of the fauna of the north central states of this country can not differ very greatly from the proportions as given in this paper. In his statement of conclusions to be drawn from the ob¬ served facts of the geographical distribution of the Cladocera, M. Richard expresses himself with great caution. Neverthe¬ less, I think that he has gone somewhat further than the facts warrant in even the following cautious opinion : “Dans plusieurs parties du monde, on trouve des types spe- ciaux, le plus s'ouvent en tres petit nombre, et noyes en milieu d’une foule de formes tres repandus. Nous avons en Europe: Limnosida , Anchistropus , Corniger; en Afrique: Guernella , Grimaldina; dans l’Amerique du Nord: Pseudosida ; en Austra- lie: Latonopsis . ” My own observations show that two of the seven peculiar genera enumerated are found in Wisconsin. Anchistropus and Latonopsis are represented here by species very close to the Australian and European forms respectively. I have little doubt that Limnosida will be found by careful study of our northern lakes. If not, it will be the only European species of Sididse which is not found in this country. Corniger is a salt water form of the Polyphemidse from southern Russia. No studies have been made in this country in corresponding latitudes which will warrant the assertion that the genus is not found here, and the same statement may be made regarding the other genera men¬ tioned by M. Richard. The facts so far as known to me justify the expectation that all genera of Cladocera are intercontinental in their distribu- *Sur la Distribution Geographique des Cladoceres. J. Richard. Re¬ ceived October, 1893, as a separate reprint from a Russian journal, but without name of journal or date of publication. Geographical Range of Species. 289 dion. There probably are exceptions to such a rule, but it is still far too early and our knowledge of the group is far too de¬ fective to warrant us in naming this or that genus as confined do one continent. One further fact mentioned by me in an earlier paper has not heen sufficiently considered in connection with the geographical range of the species of Cladocera. This is the wide geo¬ graphical area over which the species may be found, coupled wdth a very irregular distribution in that area. As a good •example of this fact may be mentioned Ancliistropus minor , described in the second part of this paper. A single specimen of this species was found by me in lake Wingra in 1890. No second specimen could be discovered although several days were devoted to the search; nor has another individual been seen from this locality in the course of the three years which have passed since the first one was seen. Another single individual was found in Lake Winnebago in 1892 and again I was unable to find another even after most careful dredging in the same place where the first was found. Finally I found the species fairly abundant at Isle Royale. It can not be doubted that Ancliistropus minor occurs widely throughout the state of Wis¬ consin and yet it is so rare or local in its distribution that it seems a mere matter of accident whether or not it is reported from a given locality. This case is paralleled by many others in the experience of every collector of Cladocera and illustrates the need of extreme caution in declaring a species absent from a region or from any given lake. My own belief is that most species whose form is not very variable in the locality where they are found, will have an intercontinental distribution. Ex¬ ceptions will no doubt occur, but the presumption so far as the facts are known to us, is in favor of a wide area of distribution rather than a smaller one. 290 Birge — Notes on Gladocera. B. On new or rare species of Cladocerct chiefly from Northern Wisconsin. Moina affinis, sp. nov. Plate X, Figures 1, 3, 5, 7, 8, 12, 13, 14. Female. — The head closely resembles that of M. rectirostris ,. Jur. , being somewhat rounded anteriorly, having a deep de¬ pression above the eye, and being without an angle on the ven¬ tral margin posterior to the antennules. As seen from above/ the head is rather long and narrow and shows the supraocular depression very distinctly The outline of the sides of the head is slightly concave in the middle and the sides round over evenly into the anterior margin. The valves are fringed on the' margin with setae- more closely set than in M. rectirostris , and are marked by transverse, anastomosing lines, giving an ap¬ pearance . to the shell somewhat like that of a Simocephalus. These markings can 'be seen when the shell is examined un¬ covered and without water, and also, by careful manipulation, under a cover-glass. These striae resemble those of M. Lillje- borgii , Schdl. as figured by Lilljeborg, (’53,* p. 38, pi. II, f. 4f.),. and still more closely those of M. propinqua , Sars, as described and figured by him. (’85, p. 31, pi. VI, f. 1.) The structure of the legs agrees exactly with that of M. rec¬ tirostris t as described by Gruber and Weismann. (’77, p. 70-72.) The post-abdomen has a relatively long post-anal portion,, which is armed with 9-11 serrate teeth and a bident longer than the adjacent tooth. The caudal claws have a pecten of 12-15 teeth at the base and are denticulate. The ephippium contains one egg whose long axis is parallel to that of the body. The ephippium is densely reticulated over its entire surface. The antennules are of moderate size, being apparently some¬ what smaller than the figures of M. rectirostris would indicate for that species. The usual anterior sense-hair is placed a, * For full titles of papers, see the list at the end of this article. Moina affinis. 291 little proximad to the middle and its length is about one-half that of the antennule. The antennules are fringed on the pos¬ terior side by a dense growth of very fine hairs, visible only with a high power of the microscope, but easily disclosed by treatment with osmic acid. The antennae resemble in general those of M. propinqua. Transparent, with sometimes a tinge of violet. Length, 0.8-1 mm. Height, 0.4-0. 5 mm. Male — The male is about 0.3-0. 6 mm. in length, and agrees in structure with the usual type of the males of this genus. The antennules are modified into powerful claspers. They are broad at the base in the antero-posterior direction and are in¬ serted near the vertex, so that the head projects but little be¬ yond them. They are geniculate, the angle occurring about 1-5 of the length from their insertion. At the bend are two sense hairs, one short and stout and the other long and slender. There are four hooks at the distal end of the antennule. The first foot has a hook and is without a flagellum. The spermatozoa are spherical or oval, and never have radiate projections of protoplasm. This species is evidently close to the European M. rectirostris , Jur. I have been somewhat in doubt as to the specific distinct¬ ness of the form, but on the whole I have thought it best to give it a separate name, although recognizing the possibility That the range of variation of M. rectirostris will be found great enough to cover this form. It is clear that If. rectirostris , Jur., of Europe, M. propinqua , Sars, of Australia, and M. affinis are very closely allied species. They agree in general form, color and size. All have an ephippium with one egg, and a head with supra-ocular depression. All agree in number and structure y him, which had several young in the brood-cavity. It could therefore scarcely have belonged to this genus where there are only two young. His suggestion that Ancliistropus is possibly a male Ghydorus is certainly incorrect. Acroperus leucocephalus, Koch. Acroperus angustatus, Sars. Both of these species appear in my collections, as do lorms in some respects intermediate between them. I have long been puzzled by the species of Acroperus found at Madison, as It seemed to approach A. leucocephalus in some respects and A. angustatus in others. In 1892 I received specimens of the genus from Cambridge and Easthampton, Mass., and collected them in G-reen lake and at Minocqua and other points in northern Wisconsin. All of the Massachusetts specimens are Typical A. leucocephalus and entirely resemble the European de¬ scriptions and figures. Specimens from northern Wisconsin are nearly typical A. angustatus. The form from G-reen lake ap¬ pears to have a higher cephalic crest than do those from any other locality. In no case do I find the antennae quite as short •as is required by the description of Hellich (’77, p. 80.). In lake Gogebic and elsewhere both species occur together. In such cases I have failed to find intermediate forms. In the ordinary form at Madison the dorsal line is somewhat arched, the posterior angles are less prominent than in typical ungustatus and the antennary setae reach nearly to the posterior •edge of the valves. In all these particulars they approach leucocephalus , while in general form and in most other respects they resemble more nearly angustatus and should probably be ranked with that species. 312 Birge — Notes on Cladocera. There is no constant difference between the species in size,, color or transparency. Hellich says that the striae are not so closely set in cmgustatus as in leucocephalus. In my specimens, the reverse is true although the difference is not great. The figures of P. E. Mueller (P. Ill, f. 15, 18.) show the facts as I find them. Mueller (’67, p. 169.) says of A. angustatus “margo ventralis * * * * postrema parte glabra. 5 ’ Hellich’s figure of angustatus shows it ciliate to the tip. My specimens show a similar arrangement. The antennary setae in my specimens of A. leucocephalus do> not quite reach the posterior edge of the valves when the an¬ tennae are reflexed. In many specimens of A. angustatus they are as long as in many individuals of the other species. The crest of the'head is very variable in both sexes. The post-ab¬ domen affords no constant characters for distinguishing the species. On the~whole there seem to be two fairly well marked forms- of the genus Acroperus ; but general shape and appearance are the only means for discriminating them, as the characters re lied upon by different authors for specific marks are not con¬ stant. The straight dorsal margin, the short antennae, and the position of the posteal teeth, are characteristic of A. angustatus , but these structural features show considerable vari¬ ation in the direction of the 'corresponding structures of A , leucocephalus. Monospilus tenuirostris, Fischer. This species occurred in dredgings from Twin lakes, Toma¬ hawk lake, and lake Julia, Wisconsin. I have also received it in collections from Easthampton, Mass., and Isle Royale, Mich. Herrick reports it from Minnesota. In all my bottles cast shells were far more plenty than ani¬ mals. The cast shell shows clearly that the affinities of the genus are with Alona. It is well known that the relation of the shell of the head to that of the valves varies greatly in the Lynceidce. In Alona and allied genera, as Acroperus and Camptocercus , the suture marking the junction of the shell of Papers to which Reference is Made. 313 the head with that of the body follows the extension of the an¬ terior edge of the valves and runs nearly perpendicular to the long axis of the animal. In Pleuroxus, Chydorus and allied genera, this line runs far back toward the posterior end of the valves. Monospilus belongs very plainly to the first group of genera. LIST OF PAPERS TO WHICH REFERENCE IS MADE. Birge, ’78. Notes on Cladocera: E. A. Birge, Madison, 1878. Trans. Wis. Acad., vol. IV. Birge, ’91. List of Crustacea Cladocera from Madison, Wis. : E. A. Birge, Madison, 1891. Trans. Wis. Acad., vol. VIII. Daday, ’88. Crustacea Cladocera Faunae Hungaricee : E. Daday de Dees, Budapest, 1888. Eylmann, ’86. Beitrag zur Systematik der Europaeischen Daphniden: E. Eylmann, Freiburg i. B., 1886. Ber. Naturforsch. G-esellsch. zu Freiburg, B. II. Forbes, ’90. On some Lake Superior Entomostraca : S. A. Forbes, Washington, 1890. Rept. Fish Com., 1888. Forbes, ’93. A preliminary Report on the Aquatic Invertebrate Fauna of the Yellowstone National Park, Wyoming, and of the Flathead Region of Montana: S. A. Forbes, Washing¬ ton, 1893. Bull.U. S. Fish Com., 1891. Gruber and Weismann, ’78. Ueber neue oder unvollkommen gekannte Daphniden: A. Gruber and A. Weismann, Freiburg, 1878. Ber. Naturforsch. Gesellsch. zu Freiburg. de Guerne et Richard, ’91b. Entomostraces recueillis par M. Ch. Rabofc en Russie et en Siberie: J. de Guerne et J. Richard, Paris, 1891. Bull. Soc. Zool. France, 1891. 314 Birge — Notes on Gladocera , Hellich, ’76. Die Cladoceren Boehmens : M. C. Bohuslav Hel¬ lich, Prag, 1877. Herrick, ’84. The Crustacea of Minnesota included in the orders Cladocera and Copepoda: C. L. Herrick, Minne¬ apolis, 1884. 12th Annual Report Geol. and Nat. Hist. Sur. Minn. Kurz, ’74. Dodekas neuer Cladoceren, nebst einer kurzen Uebersicht der Cladocerenfauna . Boehmens : W. Kurz, Wien, 1874. Sitzungsber. Akad. der Wissensch. Wien, B LXX. Leydig, ’60. Naturgeschichte der Daphniden: F. Leydig, Tuebingen, 1860. Lilljeborg, ’53. De Crustaceis ex ordinibus tribus : Cladocera, Ostracoda et Copepoda, in Scania oecurrentibus : W . Lilljeborg. Lund., 1853. Matile, ’90. Die Cladoceren der Lmgegend von Moskau: P. Matile. Moscow, 1890. Mueller, ’68. *Danmarks Cladoceren: P. E. Mueller. Copen¬ hagen, 1868. Norman and Brady, ’67. A Monograph of the British Ento- mostraca belonging to the Families Bosminidse, Macro- thricidse, and Lynceidse: A. M. Norman and G-. S. Brady. Nat. Hist. Trans. Northumberland and Durham, London, 1867. Poppe and Richard, ’90. Note sur divers Entomostraces du Japon et de la Chine: S. A. Poppe et J. Richard. Bull. Soc. Zool. France. , vol. XV, 1890. Richard, ’89. Note sur les peches effectuees par M. Ch. Rabot dans les Lacs Enara, Imandra, et dans le Kolozero: J. Richard, 1889. Bull. Soc. Zool., France, 1889. Sars, ’62. Om Crustacea Cladocera, jagttagne i Omegnen af Christiania: G-. O. Sars, Christiania, 1862. Forh. Videns- Selsk. i Christiania, 1861. * I follow the general custom in dating this work 1868. My own copy, a separate reprint, is dated 1867. Explanation of Plates. 315 Sars, ’63. Om en i Sommeren 1862 foretagen Zoologisk Reiser G. O. Sars, Christiania, 1863. Sars, ’85. On some Australian Cladocera raised from Dried Mud: G-. O. Sars, Christiania, 1885, Forh. Vid.-Selsk. i Christ., 1885, No. 8. Sars, ’90. Oversigt af Norges Crustaceer; II: G. O. Sars, Christiania, 1890, Ibidem, 1890, No. 1. Schoedler, ’63. Neue Beitrage zur Naturgeschichte der Cladoceren: Ed. Schoedler, Berlin, 1863. Schoedler, ’66. Die Cladoceren des frischen Halls: E. Schoe¬ dler, Berlin, 1866. Wiegmatm’s Archiv fuer Naturge¬ schichte, Jg. XXXII. EXPLANATION OF PLATES. PLATE X. Fig. 1. 2. 3. 4. 5. 6. 7. . 8. 9. 10. 11. 12. 13. 14. Moina affinis , Birge. Post-abdomen of female. X 175. 11 flagellata, Hud. Post-abdomen of female. X 175. 11 ' affinis. Antennule of male. X 150. 11 flagellata. Antennule of male. X 150. 11 affinis. Young female. X 65. ‘•£ flagellata. Anterior part of female, showing hairs of dorsum of head. X 65. 11 affinis. Male. X 65. “ affinis. Reticulation of shell. X 250. f.f. flagellata. Head of female from above. X 65. “ flagellata. Ephippium. X 65. 11 flagellata. Male. X 65. u affinis. Antennules of male from below. X 65. 11 affinis. Head of female from above. X 65. u affinis. Ephippium. X 65. 316 Birge — Notes on Cladocera. PLATE XI. Fig. 1. Daphnia Kahlbergiensis , Schdlr. , var. breviceps , Birge. Female. X 60. 2. “ breviceps . Apex of post-abdomen. X 250. 3. “ breviceps. Head. X 65. 4. 5, 7, 8, 9. Daphnia longiremis , Sars. Various forms of head. X 65. Daphnia breviceps. Head. X 65. u longiremis. Female. . X 65. u longiremis. Post-abdomen. X 100. <£ longiremis. Female from above. The an- tennse in this specimen were shorter than is usual. X 40. 11 microcephala , Sars. Head of female.- X 100. 6. 10. 11. 12. 13. PLATE XII. Fig. 1. Daphnia pulex , var. pulicaria , Forbes. Caudal claw. X 250. 2. “ pulicaria. Head of male. X 160. 3. “ pulicaria. Post-abdomen of female. X 40. 4. 5. “ pulicaria. Outline of head of female. X 40. 6. Ceriodaphnia lacustris. Female. Small specimen. X 65. 7. u lacustris , Birge. Anterior part from above. X 65. 8. u lacustris. Head of female showing spin- ules. X 175. 9. “ lacustris. Apex of post-abdomen. X 175. 10. Bosmina obtusirostris, Sars. Young. X 75. 11. “ “ Female. X 75. Explanation of Plates. 317 rig. PLATE XIII. 1. Bunops scutifrons , Birge. Small female. X 65. 2. Anchistropus minor , Birge. Female from below. X 120. 3. “ “ Claw of first foot. X 260. 4. u 11 Anterior part of valve. X 120. 5. 11 “ - Post-abdomen. X 260. 6. Chydorus rugulosus , Forbes. Female. X 100. 7. 11 faviformis , Birge. Cast shell of young female. X 100. 8. u faviformis. Post-abdomen. X 260. 9. Alona falcata, Sars. Female. X 100. 10. “ “ Sars. Head from below. X 100. 11. Pleuroxus hastatus , Sars. Female. 65. ... - . ■. ■ ■' ■ • ' ' ?v - • • \ : ..- - ■ Trans. Wis. Acad. Sci. Vol. IX, PI. X. Birge. Cladocera. Trans. Wis. Acad. Sci. Vol. IX, PI. XI. Birge. Cladocera. ' I i : . \ Trans. Wis. Acad. Sci. Vol. IX, PI. XII Birge. Cladocera. Trans. Wis. Acad. Sci. Vol.IX , PI. XIII. Birge. Cladocera, THE STRUCTURE AND AFFINITIES OF BUNOPS SCUTI- FRONS, Birge. By Harriet Bell Merrill, M. S., Instructor in Biology, Milwaukee High School. This paper describes a member of the family Macrothricidce found by Professor E. A. Birge at Minocqua, Wis., in Lake Kawaquesaga, July, 1892. It was recognized by him as the type of a new genus, and is described in this volume (pp. 275-317) under the name of Bunops scutifrons. Numerous specimens, preserved in alcohol, were given to me with the request that I would study the anatomy as far as possible and determine the relationships of the genus to the other members of the family. The anatomy of the skele¬ ton and appendages was especially desired, as Dr. E. Daday de Dees in his Crustacea Cladocera Faunae FLungaricoe had de¬ scribed a closely allied species as belonging to the genus Macrothrix , under the name M. serricaudata. Herrick also had seen in Minnesota another member of the genus and described it as Macrothrix pauper . It was therefore necessary to study the appendages carefully with reference to the corresponding structures in Macrothrix and the other members of the family. In July, 1893, a very few specimens were found at Madison, and some notes were made on the internal organs, but lack of time prevented a complete study of the internal anatomy. DESCRIPTION. Viewed laterally the general form of the body is round, (PL XIV, Fig. 1). The height and length are nearly equal, the length usually exceeding the height. The dorsal margins of the valves are coalesced to form a strongly and evenly arched keel or crest extending the entire length of the body. At the posterior end, the crest forms a marked rounded projection ii— 6 320 Merrill — Structure and Affinities of Bunops Scutifrons. where the dorsal joins the ventral edge of the valves. The gen¬ eral semicircular outline of the ventral margin is broken by a slight concavity at its most ventral part caused by the curling or infolding of the ventral edges of the valves. Viewed from below, (PI. XIV, Figs. 2, 6), the posterior half of the ventral edge of the valves is seen to be sharply inflected to form a right or acute angle with the main part of the valves, causing the valves to gape widely at the anterior part, even when the pos¬ terior parts are tightly closed. The anterior ventral margin is edged by long, smooth, straggling, movable hairs. Just in front of the infolding is a space where they are short and feeble. Along the infolded part they are short and densely set, and cease altogether a short distance from the posterior end. At the anterior part of the ventral edge of the shell, the hairs are placed alternately in and out, but upon the bend, out only. On the infolded part they point inward. The infolding of the ven¬ tral edge sets the posterior hairs up a little, so that there is a space between them and the apparent edge of the valves as seen from the side. The valves are reticulated with hexagonal meshes in the anterior portion. Similar reticulations are seen on the head. The keel and posterior part of the valves are smooth. HEAD. PI. XIV, Figs. 1, 4. The head is small, triangular in general outline, and is very short antero-posteriorly. It is shorter and smaller in propor¬ tion to the size of the animal than in any other genus of the family. It is not depressed and the rostrum projects forward. The crest extends over the head about one-third of its length and then widens out into a triangular area, which is continued as a flattened rectangle to the end of the rostrum. This area is thus somewhat kite-shape or shield-like in outline. Its edge is formed by a strong ridge, whose lower part probably repre¬ sents the continuation of the fornices. The general surface of this area is depressed and the sides of the head are compressed just behind the boundary line. This area I call the forehead. The even surface of the forehead is broken by a very pronounced, al- Antennules. 321 most hemispherical projection over the eye. The ventral margin of the forehead is bilobed and continues vertically on each side as a small flap, covering the insertion of the antennules. The ven¬ tral margin of the head is deeply concave and passes into the large labrum. Just above the labrum is a projection for the attachment of the muscle of the labrum and a spine on each side. The labrum consists of two parts, the outer a broad and trian¬ gular projection, the inner smaller. The edge of the labral projection is smooth. The fornices are moderately broad (PI. XIV, Fig. 5.), cov¬ ering the base of the antennae. They extend to the anterior edge of the head, and disappear just before reaching the fore¬ head, which they join at the point where the triangular passes into the rectangular portion. Below the fornix, the head be¬ comes thin from side to side, being thinner than the breadth of the forehead, and very high ventro-dorsally. GENERAL MEASUREMENTS OE THE ANIMAL. G-reatest height . 0.875 mm. Greatest length . 1.06 mm. Perpendicular length from haft-organ .... 0.717 mm. Forehead . 0.105 mm. Diameter of boss over eye . 0.07 mm. Projection of boss . 0.027 mm. Length of setae on ventral edge . . . 0.010 mm. Triangular piece of labrum, length . 0.122 mm. Triangular piece of labrum, width . 0.105 mm. Diameter of eye . 0.052 mm. APPENDAGES OF THE HEAD. (A.) Antennules. PI. XIV, Figs. 4, 5. The antennules are very long, almost as long as the branches of the antennae, cylindrical, tapering slightly at the end. The antennule forms a gentle compound curve, greatest at the proximal end. It is much narrowed at the point of attachment. 322 Merrill — Structure and Affinities of Bunops Scutifrons. It is sparsely covered with fine, short spines, arranged in? transverse rows at the proximal end, but reduced to scattered bunches and single hairs at the opposite end. At the terminal end there is a circle of four or five small teeth, and from be¬ tween these spring eight or ten delicate sense hairs of about, uniform length. The tip of each sense f^ir is enlarged slightly to form a knob. There are two pairs of sense hairs on the outer side of the distal half of the antennule. The farther pair- is situated about one-sixth the length of the antennule from the end; the other pair about the same distance from the first. There is no distinction between the basal and terminal parts of the hairs. They are curved, taper slightly, and are of about equal length. There is also on the proximal end very near the baser a single sense hair which is about as long as the terminal hairs. It is very stout at the base and tapers abruptly to a delicate^ hair. The basal is about half as long as the terminal part. MEASUREMENTS OF ANTENNULE. Length . . 0.402 mm. Sense hairs additional. . 0.052 mm. Breadth . 0.019 mm. Greatest breadth . 0.024 mm. Least breadth . 0.0b mm. Lateral sense hairs . 0.021mm. (B.) Antennae. PI. XIV, Fig. 1. 0-0-0-3 0-1-0-1 Formula of setae, - of spines, - . 1-1-3 1 0-0-0 The antennae are of medium length and slender. The basal joint is long and slender, projecting considerably beyond the head. It is ringed at the base, the rings extending less than half the entire length of the joint. Along the dorsal side there is a row of short, stiff bristles, running from the rings lengthwise to the end of the basal joint, and the tip has a few scattered. Antemice. 823 hairs. On the ventral side is a single larger sensory bristle. The usual delicate sense bristles are situated on a slight tubercle on the outer side about the middle. The exterior, distal, one is the longer. From the extremity between the two branches, there arises a very long, delicate, sensory spine. It is smooth and bi-articulate, and extends somewhat beyond the two proximal joints of the dorsal branch. The two branches attached to the basal joint are of nearly equal length, slender and somewhat tapering. The dorsal branch is four-jointed, with setae on the terminal joint only The proximal joint is very short, about one-third the length of the other joints, which are nearly equal in length. It has no accessory spines, hairs or setae. The next joint is three times as long, bears a delicate spine on the dorsal side, but has neither hairs nor setae. The next joint is like the preceding but without the spine. The terminal joint is slightly longer ■than the two preceding it. It' has one spine at the end, and three terminal setae. These setae are moderately long, as long or longer than the whole length of the antennae. They are ■two-jointed, flexible and sparsely plumose. The ventral branch of the antenna is three-jointed. The proximal joint is smooth, bearing one very long seta, sd long ■that it reaches beyond the tips of the terminal setae. There is :a marked projection of the joint at the place where the seta is articulated to it, but there are no spines. The seta is stiff at the middle joint, but is so long and slender as to be very flexi¬ ble. It is sometimes sparsely plumose and occasionally shows very fine spinules. The second joint of the branch is of about the same character as the proximal, but shorter. The seta is bi-articulate and plumose. The terminal joint bears three ter¬ minal setae, with the characteristics already described for the dorsal branch. The spines on both branches are very delicate, irregular and of little importance. There may be a fringe of hairs around each joint, but they are difficult to distinguish even with a high magnifying power, and appear much like the threads at¬ taching infusoria or filamentous plants. 324 Merrill — Structure and Affinities of Bunops Scutifrons. MEASUREMENTS OF ANTENNAE. Basal Joint. Extreme length . 0.402 mm. Average width . 0.061 mm. Width at free end . 0.052 mm. Rings at base . 0.175 mm. Ventral Branch. Basal joint, length . 0.196 mm. Basal joint, width . 0.024 mm. Basal seta, length . 1.240 mm. Second joint, length . 0.054 mm. Second joint seta, length . 1.050 mm. Terminal joint, length . 0.070 mm. Dorsal Branch. Basal joint, length . 0.026 mm. Second joint, length . 0.070 mm. Second joint, length of spine . . . 0.001 mm. Second joint, width . 0.022 mm. Third joint, length . 0.070 mm. Terminal joint, length . 0.087 mm. Terminal joint, width . 0.017 mm. Terminal setae, length . 0.875 mm. POST-ABDOMEN. PI. XV, Fig. 6. The post-abdomen is large, triangular, broad above, but greatly flattened below. It is divided into two parts by a notch on the dorsal side just anterior to the anus. The anus,, therefore, opens on an elevation at a short distance from the terminal claws. As in Cladocera generally the anus is an elongated slit. Here it lies between two folds of in¬ tegument. The fold on each side is provided with three spines posteriorly, and is bordered by a fringe of setae Post-Abdomen — Legs. 325 anteriorly. Laterally it has several bunches of stiff hairs. The terminal claws are placed on a prolongation from the anal lobe, which is very like the “End-stueck” of Moina or Ophryoxus , but much smaller. This prolongation bears two small teeth on each side. The terminal claws are slender, sharply curved at the end and finely denticulate. The teeth are of uniform size and there is no secondary tooth at the base of the claws. Anterior to the anus, the post-abdomen widens out rapidly with a semicircular margin and bears five to seven marginal hooked teeth, and later¬ ally, several rows of hairs extending from three or more of the teeth over about one-fourth the side of the post-abdomen. The abdominal setae are situated on no special projection. They are long, slender, sparsely plumose and bi-articulate. The margin of the post-abdomen between the abdominal setae and the anal spines is crenelated and bordered by short fine hairs. Ante¬ rior to the abdominal setae is a prominent abdominal process, consisting of a rounded ridge bearing a number of stiff hairs. Anterior to this is another lower ridge bearing several long hairs. These ridges fit into a fold of carapace and close the brood cavity. The dorsal part of the body possesses what Sars calls “mammilliform processes” similar to those in Macrothrix. MEASUREMENTS OF POST-ABDOMEN. Sense hairs to notch . 0.19 mm. Notch to terminal claws . 0.11 mm. Length of terminal claws . 0.06 mm. Greatest width of post-abdomen . 0.24 mm. Length of abdominal setae . 0.28 mm. LEGS. The nomenclature followed is that of Lund. * He divides the leg into two parts, the stem and two branches. In all cases the stem is short and scarcely distinguishable as a separate part. In an ideal leg, the stem would bear four processes. These * Bidrag til Cladocerernes Morphologi og Systematik, ved L. Lund; Naturhist. Tidskrift. Vol. VII, pp. 130-174, Pis. V-IX, 1871. 326 Merrill — Structure and Affinities of Bunops Scutifrons. are never all present on the same leg, however. On the inner side of the stem there is a vesicular process, the gill sac, which is always present. This gill sac is small in the Macrothricidce and is usually oval or kidney- shaped. In Bosmina and the Lyneeidoe it is drawn out into a long process. Immediately above the gill sac there is in many Cladocera a delicate ciliated lobe or extension. It is found only in the more posterior legs. On the outer side is a process which ideally is flattened and rectangular, but usually becomes trian¬ gular in shape. It bears setae and cilia, and is frequently coalesced with the inner branch cf the stem. This is the maxil¬ lary process. It is sometimes absent in the first leg, but usu¬ ally present in all the others. The “setae terminales stipitis” lie below the maxillary process and consist of a stout ciliated seta on each side. There are two branches attached to the distal end of the stem. The inner branch is lobed and forms the working part of the leg. The outer is membranous. In the anterior legs, the inner branch is most strongly developed. In the posterior ones the outer is the larger. Bunops scutifrons has five broad leaf-like legs. They conform in general to the type of structure of the Macrothricidce , show¬ ing differences in detail from those of any other genus. FIRST LEG. Plate XV, Fig. 1. As in all the family the first leg is very large and broad, with hooks and setae capable of projecting beyond the edges of the valves. Starting from its point of attachment, it runs for¬ ward parallel with the labrum, and then bends down abruptly, forming a sort of knee. Above the bend there is a tuft of deli cate bristles, and a little within the margin above the gill sac are two strong, posteriorly curved setae. The gill sac ( g ) is the only process present upon the stem. The maxillary process seems to be entirely lacking. The distal portion of the leg con¬ sists of two branches, the ramus interior and the ramus ex¬ terior. The latter is represented only by a slight projection First Leg. 327 below the knee, which lies not far above i in the figure. The interior ramus is very greatly developed and divides into two irregular branches. The posterior branch (i) is broad and plate-like, while the anterior (v) is narrower and somewhat con¬ ical. The anterior branch again divides into two, and the poste¬ rior into three parts, each bearing spines, hooks or both. The anterior lobe of the anterior branch of the interior ramus (i) bears one long bi-articulate seta ciliated along the anterior edge. It is by far the longest seta on the leg. The pos¬ terior lobe has two stout hooks of unequal size, and one seta which is smaller than the anterior one, but is also bi-ar¬ ticulate and ciliated. The main peculiarity of the leg is the presence of the large hook. (Plate XV, Fig. 1, b). In the pos¬ session of this large hook, Bunops differs from most other mem¬ bers of the family. The hook is smooth, very large, almost as long as the ciliated setae on the same lobe, and is attached just under it. At its point of attachment it is narrow; it then widens suddenly to almost double its basal width and tapers gradually to a point. It is sharply curved posteriorly at the end. This hook of B. scutifrons is proportionately stronger than that of any other member of the family, although it is pos¬ sessed by Ophryoxus and Drepanothrix. Macrothrix , to which genus a species of this genus was referred by Daday, * has only an ordinary seta in place of this hook. The hook connects itself with the mode of life of the animal, being used for holding to weeds. Bunops is much like Op>hryoxus in its habits. It lives In shallow water among weeds, and swims from weed to weed, clinging to them with the hook of the first leg. It uses its feeble antennae with a steady, forward, paddling motion, like that of Ophryoxus. While clinging to weeds with the hook of the first leg, it rakes in food with the second. The smaller hook is about half the diameter and length of the larger one, and probably serves the same purpose, in a less degree. The posterior branch (i) of the interior ramus has setae on four distinct parts. The two anterior lobes are the largest and have two rows of setae, six in a distal row, three for each lobe, Daday, E. Crustacea Cladocera Faunae Hungaricae, p . 105 . 328 Merrill — Structure and Affinities of Bunops Scutifrons. and two in a proximal row, one in each lobe. The anterior seta of the inner row stands between the two anterior setae of the distal row, and the posterior one, anterior to the three distal setae of the second lobe. The third lobe has two setae while two other setae arise from the side of the leg directly. These setae are ciliated on both sides, except the second three of the distal row, which have cilia on the anterior side only. The entire leg, particularly the anterior part, is covered with lines of cilia. The leg agrees in this respect with that of Macrothrixy but in the number and arrangement of setae it agrees more nearly with Acantholeberis , while it is even more like Ophryoxus or even the Lynceid Leydigia australis described by Sars.* SECOND LEG. PI. XV, Fig. 2. The second leg is much shorter than the first, and somewhat broader. The exterior ramus ( e ) is here developed into a nar¬ row delicate lobe, bearing one slender seta on its distal end, and covered with numerous fine hairs. The inner branch (i) shows indications of the same lobing as the first leg, but so- much slighter, that it practically constitutes one rectangular plate. The setae are arranged in two rows as in the first leg.. The distal row consists of nine stout bi-articulate setae. The two exterior ones are longer and more slender than the others, and have cilia on the posterior edge only. They resemble the two anterior setae of the first leg. The seven following are graduated in length from first to last. The distal joint of the first six is set with delicate close-set plates, making a comb-like structure, instead of setae, and the joint is curved. The proximal joints have very fine cilia. The seventh seta has cilia and no plates. It is much straighter than the others. The proximal row of setae consists of three, borne in two small lobes The anterior lobe bears two small, smooth setae, while the pos¬ terior lobe has but one seta. The maxillary process is well * Sars, G. O., On some Australian Cladocera raised from dried mud, Christiania Videnskabs-Selskabs Forhandlinger, 1885, pp. 39-41, PI. VIII,. Figs. 2-6. Third and Fourth Legs. 329 developed. The triangular tip has three slight divisions. The dorsal part of the maxillary process has five bi-articulate, falci¬ form, incurved setae. The ventral side near the base is covered with fine bristles. THIRD AND FOURTH LEGS. PI. XV, Figs. 3, 4. As in all the family the outer ramus of these legs is well developed, thin and leaf-like. In the third leg * the exterior ( D. A. Les Gres Wallons. Brussells, 1885. 25e Brinton, B. G. The Ancient Phonetic Alphabet of Yucatan. Ceuleneer, A. Type d’ Indien du Nouveau Monde Represente sur un Bronze Antique de Louvre. 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Atlas to Accompany a Monograph on the Geol- ogy of the Eureka District, Nev., by Arnold Hague. Atlas case. NON-SERIALS. Pamphlets , 14e. Ackermann, K. Repertorium der Landeskundlichen Litteratur fur den preussischen Regierungsbezirk Kassel, mit Nach- trage 1-3. Backstrom, H. Beitrage zur Kenntniss des islandischen Lipa- rite. Geol. Foren. i. Stockholm Forhandl., vol. XIII. pp. 637-682. - Ueber Fremde Gesteinseinschlusse in einigen skandinavi- schen Diabasen. ; - Ueber Angeschwemmte Bimstein und Schlacken der Nord- europaischen Kusten. - Om “Kvartskakelagren” vid Guda, Norge. Geol. Foren i. Stockholm Forhandl. Bd. XII, pp. 209-246, Stockholm, 1890. Baltzer, A. Glacialgeologisches v. der Sudseite der Alpen. Naturf. Gesell. in Bern, 1892. Barrois, Charles. Faune du Calcaire d’Erbray (Loire Inferi- eure) Contribution a l’etude du terrain Devonien de l’ouest de la France. Lille 1889. 14a. - Memoire sur la distribution des Graptolites en France. 98 Catalog. Beecher, C. E. The Development of a Paleozoic Poriferous Coral. (Plates IX-XIII) Symmetrical Cell Development in the Favositidse. (Plates XIV, XV) Trans. Conn. Acad, vol. VIII, 1891, pp. 207-220. Blytt, A. The probable Cause of the Displacement of Beach¬ lines, Christiania, 1889. Branner, J. C. The Relations of the. state and national Geolo¬ gical Surveys to each other and to the Geologists of the Country. Address at Salem, 1890. Proc. A.A.A.S., vol. XXXIX, pp. 1-21. Brigham, A. A chapter in Glrcial History; with illustrative Notes from central New York. Transactions of the Oneida Historical Society, 1889-1892. - Rivers and the Evolution of Geographic Forms. Bulletin of the Amer. Geog. Society, March, 1892, pp. 1-21. - The Geology of Oneida County. Transactions of the Oneida Historical Society, 1887-1888, pp. 1-17. Brogger, W. C. Die Silurischen Etagen 2 u. 3 im Kristiania- gebiet und auf Eker; Christiania, 1882. 14a Brusna, S. Fossile Binnen-Mollusken. aus Dalmatien, Kroatien, u. Slavonien. 1874. Cross, Whitman. Post-Laramie Deposits of Colorado. Amer. Journ. Sci. vol XLIV, July, 1892. - - Constitution and Origin of Spherulites in Acid Eruptive Rocks. Bulletin Philosophical Society of Washington, vol. XI, pp. 411-444. Pis. 5, 6. - The Post-Laramie Beds of Middle Park, Colo. Proceedings of the Colorado Scientific Society, in Denver, Oct. 3, 1892. Deichmuller, J. v. Die Meteoriten des Koniglichen Mineralog- ischen Museums in Dresden. Abh. der Gesellschaft “Isis” in Dresden, 1886. Abh. II, pp. 40-48, 92-94. Geology — Non- Serials. 99 Eldridge, G. H. The Florence Oil Field, Colorado. 1891. Read before Amer. Inst, of Mining Engineers, Oct., 1891. _ On Certain Peculiar Structural Features in the Foot-Hill Region of the Rocky Mountains, near Denver, Cob Bulletin Phil. Soc. Washington, vol. XI, 1890. pp. 248-274. - A Preliminary Sketch of the Phosphates of Florida. Read before Amer. Inst, of Mining Engineers, 1892. Fegraens, T. Om de Losa Jordaflagringarna i nagra af Nors- lands Elfdalar. Stockholm, 1890. Felix, J. Untersuchung uber fossile Holzer, Zeitsch. d. Deutsch. geolog. Gesellschaft, vol. XXXIX, pp. 517- 528, mit Tafel XXV. - — — Beitrage zur Kenntniss der Gattung Protosphyrsena Leida. Zeitschrift der deutschen geolog. Gesellshaft, vol. XLII, pp. 278-302, mit Tafeln XII-XIV. - Die fossilen Holzer Westindiens. Sammlung paleontolo- gische Abhandlungen, Series I, Heft 1, 1883. Felix, J. and Lenk, H. Beitrage zur Geologie u. Paleontologie der Republik Mexico. Stuttgart (E. Koch), 1891. Foshay, P. Max and Hice, R. R. Glacial Grooves at the South¬ ern Margin of the Drift. Bull. Geol. Soc. of Amer., vol. II, pp. 457-464, pi. 18. ' - Newly Discovered Glacial Phenomena in the Beaver Val¬ ley. Amer. Naturalist, 1890, pp, 816-818. Frazer, P. Archaean-Palseozoic Contact near Philadelphia, Penn. Proc. Amer. Assoc, for Advancement of Sci¬ ence. vol. XXXIII, 1884, pp. 1-5. - Petrefactenfunde im Rothliegenden. Neues Jahrbuch fur Mineralogie, 1889. Bd. II, pp. 193-4. - Ueber die rothen und bunten Mergel der oberen Dyas bei Manchester. Abh. der Gesellschaft “Isis” in Dresden,. 1889, Abh. Ill, pp. 1-10, 14-21. ' ii— 8Ap. 100 Catalog. Geinitz, H. B. Nachtragliche Mittheilungen uber die rothen und bunten Mergel der oberen Dyas bei Manchester. Ibid. 1890, Abh. V, pp. 1-6. Geinitz, H. B. and Marck, W. v.d. Geologie von Sumatra. Mittheilungen aus den Koniglichen Mineralogischen Museum in Dresden, Heft 2, pp. 1-16. Geology Society of London. List of Members, 1884,' 1891, 14a. 'Gilbert, G. K. The Moon’s Face. Bulletin Philosophical Society of Washington, vol XII, pp. 241-292, pi. 3. - - The Colorado Plateau Region considered as a Field for Geological Study, Amer. Journ. of Sci., 1875, July and August, pp. 1-27. - - The Strength of the Earth’s Crust. Bull. Geol. Soc. Am., vol. I, 1888, pp. 23-27. - - The History of the Niagara River. From 6th Annual Re¬ port of the Commissioners of the State Reservation at Niagara for 1889. — — The Sufficiency of Terrestrial Rotation for the Deflection of Streams. National Academy of Sciences, vol. Ill, pp. 1-6. Grant, U. S. The Stratigraphic Position of the Ogishke Con¬ glomerate of Northeastern Minnesota, Amer. Geologist, vol. X, July, 1892, pp. 1-10. - Report of Geological Observations made in Northwestern Minnesota durning the summer of 1888. Part IV of the Seventeenth Annual Report of Minn. Geol. Survey, St, Paul, Minn., 1889. - Account of a Deserted Gorge of the Mississippi near Minnehaha Falls. Amer. ' Geologist,- July, 1890, pp. 1-6, - Note on Quartz-Bearing Gabbro in Maryland. Johns Hop¬ kins University Circulars, No. 103. Geology — Non- Serials. 101 Harker, A. Rocks from the Cross Fell Inlier. Quart. Journ. G-eol. Soc. , vol. XLVII, pp. 512-525. - - On Local Thickening of Dykes and Beds by Folding. Geol. Magazine, 1889. Decade III, vol. VI., No. 2, pp. 69-70. * - On the Slaty Cleavage and Allied Rock Structures with Special Reference to the Mechanical Theories of their Origin. - Rocks from the Tonga Islands. Geol. Magazine, 1891. Decade III, vol. VIII, No. 324, p. 250. - The Shap Granite and Associated Rocks. Quart. Journ. Geol. Soc., Aug., 1891, vol. XLVII, pp. 266-328, pis. 10, 11. - Geology of Mynydd Mawr. Geol. Magazine, 1888 (May). Decade III, vol. V, No. 5, p. 221. - - Additional Note on the Blue Hornblende of Mynydd Mawr. Ibid, No. 10, pp. 455-456. - Contortion and Metamorphism. Ibid, 1890, vol. VII, No. 310, p. 189. - Woodwardian Museum Notes on “Eyes” of Pyrites and other Minerals in Slate. Ibid, 1889, vol. VI, No. 303, p. 396. - - Woodwardian Museum Notes. On Various Crystalline ' Rocks. Ibid, 1891, vol. VIII, No. 322, p. 169. - On Some Anglesey Dykes, Part I. Ibid, No. 9, pp. 410- 416; Part II. Ibid, No. 12, pp. 546-552 ; Part III. Ibid, No. 6, pp. 267-272. - Physics of Metamorphism. Ibid, January, 1889, vol. VI, No. 1, p. 15. * - The Cause of Slaty Cleavage: Compression v. Shearing Ibid, 1885, vol. II, No. 1, p. 15. Stages of Slaty Cleavage. Ibid, vol. II, No. 6, p. 266. 102 Catalog. Harker, A. — continued. Petrological Notes on Some of the? Larger Boulders on the Beach South of Flam borough: Head. - The Eruptive Rocks in the Neighborhood of Sarn, Caern¬ arvonshire. Quart. Journ. G-eol. Soc., 1888 (Aug.), pp.. 442-462. - The Ancient Lavas of the English Lake District. - Notes on North of England Rocks. I', II and III. - The Oolites of the Cave District. Naturalist, 1885 (May)*. pp. 229-232. Hayden. F. Y. Preliminary Report of the Field Work of the- U. S. G-eol. and G-eog. Survey of the Territories for the- season of 1878. Washington, D. C,*. 1878. 16d. - Catalogue of Publications of the U. S. Geological Survey of the Territories. Washington, 1874. 16d. Hayes, C. W. The Overthrust Faults of the Southern Appa¬ lachians. Bull. Geol. Soc. America, 1891. vol. II, pp. 141-154. Headen, W. P. The Production of Columbous and Tungstous. Oxides in Forming Compounds of Iron and Tin. Heinemann, J. Die Krystallinischen Geschiebe Schleswig-Hol- steins. Inaug. Diss. Kiel, 1879. Hibsch, J. E. Die Insel aeltern Gebirges und ihre Nachste Umgebung im Elbthale nordlich v. Tetschen. Jahrbuch der K. K. Geol. Reichsanstalt, vol. XLI, pp. 235-288. - Geologie fur Land- u. Forstwirte. - Der Doleritstock u. das Vorkommen v. Blei- u. Silbererzen bei Rongstock im bobmischen Mittelgebirge. — — Gangformiges Auftreten v. doleritischem Nephelinit in der' Umgebung des Schrecken steins im bohmischen Mittelge¬ birge. Geology — Non- Serials. 103 Hobbs, Wm. H. Secondary Banding in Gneiss. Bull. G-eol. Soc. Am., vol. Ill, pp. 460-464; plate 14. - Notes on a Trip to the Lipari Islands. Trans, Wis. Acad. Sci., vol. IX, pp. 21-32; plate 1. .. _ Phases in the Metamorphism of the Schists of Southern Berkshire. Bull. Geol. Soc. Am., vol. IV, pp. 167-178. Holmes, W. H. Maps and Panoramas. Twelfth Annual Re¬ port of U. S. G-eol. and Geog. Survey of the Territories. Washington, D. C., 1878. 160. Hovey, E. O. Observations of Some of the Trap Ridges of the East Haven-Branford (Ct.) Region. Amer. Journ. Sci (1889). vol. XXXVIII, pp. 363-383. Hubbard, L. L. Beitrage zur Kenntniss der Nosean-fuhrenden Auswurflinge des Laacher Sees. Inaug. Diss. Wien., 1887. Hyatt, A. On Reversions among the Ammonites. Proc. Boston Soc. Nat. Hist. vol. XIII, pp. 22-43. - The Jurassic and Cretaceous Ammonites. Ibid, vol. XVI, pp. 365-372. * - Biological Relations of the Jurassic Ammonites. Ibid, vol. XVII, pp. 236-241. - - Remarks on the Porphyries of Marblehead. Ibid, vol. XVIII, pp. 220-224. - Evolution of the Faunas of the Lower Lias. Ibid. vol. XXVI, pp. 17-30. - - Carboniferous Cephalopods. Geol. Survey of Texas, 1890. pp. 329-354. - Jura and Trias at Taylorville, Cal. Bull. Geol. Soc. Am., 1892, vol. Ill, pp. 385-412. Irving, R. D. and Van Hise, C. R. The Penokee Iron-Bearing Series of Michigan and Wisconsin. Tenth Annua. Re¬ port of the Director U. S. G. S., 1888-89. Washing ton, 1890, pp. 343-508., pis. 22-42. 104 Catalog. Irving, R. D. Origin of the Ferruginous Schists and Iron Ores of the Lake Superior Region. Amer. Journ. Sch 1886, vol. XXXII, pp. 255-272. Jack, R. L. Geological Observations in British New Guinea in 1891. - - The Russell River Gold Field. - The Normanby Gold Field. James, J, F. Section of the Maquoketa Shales in Iowa. Proc. A. A. A. S., vol. XXXVIII. - Manual of the Paleontology of the Cincinnati Group. Part I, Jour. Cincinnati Soc. Nat. Hist., vol. XIV, pp. 45-72. Part II, Ibid., vol. XIV, pp. 149-163. - On the Age of the Pt. Pleasant, Ohio, Beds. Ibid., voh XIV, pp. 93-104, pis. Ill and IV. - Ancient Channel of the Ohio River at Cincinnati. Ibid., vol. XI, pp. 96-101. - Studies in Problematic Organisms — Genus Scolithus. Bulk Geol. Soc. Cin., vol. Ill, 1891, pp. 32-44. - “Illustrations of the Fauna of the St. John Group,” by G. F. Mathew. (Criticism.) James, U. P. Catalogue of Lower Silurian Fossils of the Cincinnati Group. New Edition. - Description of ten New Species of Monticulipora from the Cincinnati Group, Ohio. Paleontologist, Sept. 1882, pp. 45-56. James, U. P. and J. F. Monograph of the Monticuliporoid Corals of the Cincinnati Group. Jour, of Cin. Soc. of Nat. Hist., vol. X, pp. 118-141, 158-184, pi. 2; vol. XI, pp. 14-47, pi. 1. Katzer, F. Geologie von. Bohmen. Prag, 1892. 15a. - - Das altere Palseozoicum in Mittelbohmen, Die Nothwendig- keit einer Neueintheilung Desselben. Mit. 1 Karte u. 1 autogr. Tafel-Profile. Prag. 1888. Geology — Non- Serials. 105 Keyes, C. R. Certain forms of Straparollus from Southern Iowa. Amer. Geologist, 1890, pp. 193-197. - Soleniscus, its Generic Characters and Relations. Amer. Naturalist, 1889, pp. 420-424. - The Bed Rock Sandstone of Marion County, Iowa. Amer. Jour. Science, vol. XLI, pp. 273-276. - Remarks on the Perisomic Plates of the Crinoids. _ _ — An Annotated Catalogue of the Mollusca of Iowa. Bull. of the Essex Institute, vol. XX. - The Sedentary Habits of Platyceras. Amer. Jour. Sci., vol. XXXVI, pp. 269-272. - Genesis of the Actinocrinidae. Amer. Naturalist, 1890, pp. 243-254, pi. 7. - - ■ Review of the Progress of American Invertebrate Paleon¬ tology for the Year 1889. Ibid., 1890, pp. 131-138. - Review of the Progress of American Invertebrate Paleon¬ tology for the year 1890. Ibid., 1891, pp. 327-333. - The Coal Measures of Central Iowa, and Particularly in the Vicinity of Des Moines. Amer. Geologist, 1888, pp. 396-404. - Surface Geology of Burlington, Iowa. Amer. Naturalist, vol. XXII, No. 264, pp. 1049-1054, plates 23, 24. - Discovery of Fossils in the Limestones of Frederick County, Maryland. Johns Hopkins University Circu¬ lars, No. 83. - Lower Carboniferus Gasteropoda from Burlington, Iowa. 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Jahrbuch der konigl. preuss. geologischen Landesanstalt, Berlin, 1892. - and Lossen, K. A. Beitrage zur Beurtheilung der Frage nach einer einstigen Yergletscherung des Brocken Gebie- tes. Zeitsch. deutsch. Geolog. Gesellsch. 1880, pp. 124- 136. - and Salisbury, R. D. Neue Beobachtungen ub$r die quar- tarbildung der Magdeburger Border Ibid., 1888, pp. 262- 273. Walcott, C. D. Correlation Papers, Cambrian. Bull. U. S. Geol. Survey, No. 81. - Cambrian Faunas of North America. Bulk U. S. Geol. Sur¬ vey, No. 30. - Cambrian Fossils from Mount Stephens, Northwest Territory of Canada. Amer, Journ. Science, vol. XXXVI, pp. 161-166. - Appendages of the Trilobite. Science, vol. Ill, No. 57, p. 279. - Paleozoic Notes: — New Genus of Cambrian Trilobites, Mesonacis. Am. Journ. Science, vol. XXIX, pp. 329-331. - Fauna of the “Upper Taconic’’ of Emmons, in Washington County, N. Y. Ibid., vol. XXXIV, pp. 187-201, pi. I. - Discovery of Fossils in the Lower Taconic of Emmons. Proceedings of the Am, Assoc, for the Advancement of Science, vol. XXXVI, p. 213. ii — 7 Ap. 116 Catalog. Walcott, C. D. — continued. The Taconic System of Emmons and the Use of the name Taconic in G-eological Nomen¬ clature. Amer. Jour. Sci., vol XXXV, pp. 229-401, ph III. Wheeler, G. M. Explorations in Nevada and Arizona. Wash¬ ington, D. C., 1871. 17d. Wichmann, A. and Martin, K. Sammlungen des G-eologischen Reichs-Museums in Leiden. 2te Serie. Bd. I, mit 5 tafeln, 1887-1889. Williams, G. H. On a New Plan Proposed for Future Work upon the Geological map of the Baltimore Region. Johns Hopkins University Circulars, No. 59, July, 1887. - The Petrography and Structure of the Piedmont Plateau in Maryland. Bull. Geol, Soc. Amer., vol. 2, pp. 301- 322, pi. 12. - - The Nickel and Copper Deposits of the Sudbury District, Canada. Ibid., pp. 125-140. - Note on the Eruptive Origin of the Syracuse Serpentine. Ibid., vol. 1, pp. 533-534. - Geological and Petrographical Observations in Southern and Western Norway. Ibid., pp. 551-553. - Notes on Some Eruptive Rocks from Alaska. Na¬ tional Geographic Magazine, vol. IV, pp. 63-74. - Geology of Baltimore and its Vicinity. Guide Book of Bal¬ timore, prepared for the Amer. Inst, of Mining Engi¬ neers, February, 1892. - A Summary of Progress in Mineralogy and Petrography in 1885. Amer. Naturalist, 1885. - The Gabbros and Diorites of the Cortlandt Series. Amer, Jour. Sci., Vol. XXXV, pp. 438-448. - - Contributions to the Geology of the Cortlandt Series, near Peekskill, N. Y. Ibid., vol. XXXVI, pp. 254-269, pi. 6. Geology — Non- Serials. 117 Williams, G-. H. — continued, The Non-feldspathic Intrusive Rocks of Maryland and the Course of their Alteration^ Amer. Geologist, 1890, pp 35-49. - - On a New Petrographical Microscope of American Manu¬ facture. Amer. Journ. Sci., vol. XXXV, pp. 114-117> - The Geology of Fernando de Noronha. Ibid., vol. XXXVII, pp. 145-189. - - On the Serpentine (Peridotite) Occurring in the -Onon¬ daga Salt Group at Syracuse, N. Y. Ibid., vol. XXXIV, pp. 137-145. - Some Modern Aspects of Geology. Popular Sci. Monthly, 1889, pp. 640-648. Winchbll, A. Michigan. Condensed popular Sketches of the Topography, Climate and Geology of the State. Wal¬ ling’s Atlas of Michigan, 1873. Winchell, N. H. On the Geology of Sandusky, Seneca,. Wyandot and Marion Counties of Ohio. Columbus,. 1872. 15b. • - The Drift Deposits of the Northwest. Popular Sci. Month¬ ly, 1873, pp. 202-230. - The Devonian Limestones in Ohio. Proc. of Amer. Ass. for Advancement of Science, 1873, pp. 100-104. - Notes on the Drift Soils of Minnesota. 4th Annual Re¬ port of Commissioner of Statistics of Minn., 1873. Winslow, A. A preliminary Report on the Coal Deposits of Missouri from field work prosecuted during the years 1890 and 1891, with 131 illustrations. Jefferson City, 1891. 14a. - The Missouri Coal Measures and the Conditions of their Deposition. Bull. Geol. Soc. Am., vol. Ill, 1891, p. 10 9. - The Geology and Mineral Products of Missouri. “Missouri at the World’s Fair,” St. Louis, 1893. 118 Catalog. Winslow, A — continued. Notes on the Cambrian in Missouri and the Classification of the Ozark Series. Amer. Journ. Sci„ vol. XLV, March, 1893. Woodward, H. A G-uide to the Exhibition G-allerys of Geology and Palaeontology. Part 1, Fossil Mammals and Birds. Part 2, Reptiles, Fishes and Invertebrates. (See British Museum Nat. Hist). 19c. Wulfing, E. A. Untersuchung eines Nephelinsyenit aus dem mittleren Transvaal, Sud-Afrika. Neues Jahrbuch fur Mineralogie, Geologie und Palaeontologie, 1888, Band II, p. 16. HISTORY. SERIALS. Madrid [Spain] Real Academia de la Historia. Boletin, Vols. I, pt. 5; V, 5, 6; VI, 1-4; VII, VIII, 2, 4, 6; IX, 1-3, 5; X, 2 -6; XI, 2, 4-6; XII, 2, 4, 5; XIV, 1-4; XV, 2, 4-6; XVI-XVIII, XIX, 1-3, 5, 6; XX, XXI, 1- 5. + 27c Munich [Germany] K. b. Akademie der Wissenschaften. Sitzungsberichte der philosophisch-philologischen und historischen Classe, 1887, Vol. II, Nos. 2, 3; 1888, I, 1. + 8d Regensburg [Germany] Historischer Verein von Oberpfalz und Regensburg. V erhandlungen, Vols. XXXIV-XXXIX, XLI, XLII. + 26c Rio de Janeiro [Brazil] Instituto Historico e Geographico Braziliero. Revista Trimensal, Vol. L, Fol. 1, 2; LIV, 1, 2. 4- Id History — Non- Serials. 119 Stockholm [Sweden] Konigl. Vitterhets Historie och Antiquitets Akademiens. Manadsblad, 1885-1889, 1890. + 27d Topeka [Kansas] Kansas State Historical Society. Kansas Historical Collections, Yol IV. + 27b Annual Report, 8th. + 27b Worcester [Mass.] Worcester Society of Antiquity. Proceedings, Nos. 1, 2, 4, 5, 7, 8, 13, 17, 19-27, 31, 35, 39. + 25e NON-SERIALS. Pamphlets , 27c. Aberg, K. V. K. De Diplomatiska forbindelserna mellan Sverige och storbrittannien under Gustaf in Adolfs Krig Emot Napolean. Upsala, 1890. Acquoy, J. G. R. Het Klooster te Windesheim en Ziju In- vloed (Uetgegeven door het Provincial Utrechtsch Ge- nootschap van Kunsten en Wettenschappen.), vols. I and II. 27b. De Aranjo Porto-Alegre Manoel. Colombo Poema. Rio Janeiro, 1892. Armstrong, W. Discussions on the Abolition of Patents for Inventions in the United Kingdom, France, Germany and the Netherlands. London, 1869. 26b. Baentsch, Bruno. Das Zeitalter des Heiligkeits-Gesetzes. Habilitationsschrift, Jena, 1893. Brinton, D. G. The Prophetic and Historic Records of the Mayas of Yucatan. Proc. of Numismatic and Antiquar¬ ian Society of Philadelphia. 1882. Brockhaus, F. Ueber das canonische Recht. Kiel, 1888. Bugge, S. Rune-indskriften poa ringen i forska Kirke i Nordre Helsingland. Christiania, 1877. 120 Catalog. Caro, G. Die Verfassung G-enuas zur Zeit des Podestats. Inaug. Diss. Strassburg, 1891. Castilho, A. M. Etudes Historico-Geographiques. Lisbon, 1870. Chagas, M. P. Os Descobrimentos Portuguezes e os de Colom¬ bo. Lisbon, 1892. DeCosta, B. E. Sailing directions of Henry Hudson prepared for his use in 1608. Dieckmeier, A. Die Stadt Cambrai. Inaug. Diss. Jena, 1889. Fahraens, G-. R. Om forandringen af sveriges allianssystem aren 1680-1682 i ders sammenhang medde europisska forveklingarna. Upsala, 1891. Friese, K. Ueber den ausseren Gang der Verhandlungen beim Frieden v. Oliva. Inaug. Diss. Kiel, 1890. Gauter, L. Die Provincialwaltung der Triumvirn. Inaug. Diss. Strassburg, 1892. Hanel, A. Das Kaiserthum. Inaug. Diss. Kiel, 1892. Hartog, J. De Spectatoriale Geschriften van 1741-1800. Utrecht, 1872. Henneberg, H. Die Politischen Beziehungen zwischen Deutsch¬ land und Frankreich unter Konig Albrecht I, 1289-1308. Inaug. Diss. Strassburg, 1891. Heskel, A. Die Historia Sicula des Anonymus Vaticanus und des Isanfredus Malaterra. Inaug. Diss. Kiel, 1891. Hinz, C. H. Zur Beurtheilung Appiaus u. Plutarchs in der Darstellung der Ereigniss v. der Ermordung Caesars bis zum Tode des M. Brutus. Inaug. Diss. Jena, 1891. Homes, H. A. The Palatine Emigration to England in 1709. Trans, of Albany Institute, vol. VII, pp. 106-131. Karlsson, K. H. Den Svenske Konnugens Domstratt och Formerna for dess Utonfing under Medeltiden. Upsala, 1890. History — Non- Ser ials. 121 Kayser, R. Placidus von Nonatula De Nonore ecclesise. Inaug. Diss. Kiel, 1888. Krebs, J. Zacharias Allerts Tagebuch aus dem Jahr 1627. Breslau, 1887. 27b. Kriehn, G-. The English Rising in 1450. Inaug. Biss. Strass- burg, 1892. Eieblein, J. Recherche sur la Chronologie Egyptienne d’apres les listes G-enealogiques, Christiania, 1873. i — - — Handel und Schiffahrt auf dem rothen'Meere in alten Zeiten. Christiania, 1888. Lipp, M. Die Marken des Frankreichs unter Karl den G-rossen. Theil I. Inaug. Diss. Konigsberg, 1892. Eorenz, E. Thuringische Katastrophe vom Jahre 531. Inaug. Diss. Jena, 1891. XiUNDiN, C. F. Wismars Pantsattande till Meklenburg- Schwerin. Publications Upsala, 1892. Marquardt, Gr. Die Historia Hierosolymitana des Rubertus Monachus. Inaug. Diss. Konigsberg, 1892. Meyer, W. Das Werk des Kanzlers G-islebert v. Mons beson- ders als Yerfassungsgeschichtliche Quelle betrachtet. Inaug. Diss. Jena, 1888. Mez, A. Greschichte der Stadt Harran in Mesopotamien bis zum Einfall der Araber. Inaug. Diss. Strassburg, 1892. Micheler, J. Das Tabakwesen in Bayern v. dem Bekanntwer- den des Tabaks bis zur Einfuhrung eines Herdslattgeldes. 1717. Inaug. Diss., 1887. i Moshack, R. Die Reichslandvogtei in der Wetterau. Inaug. Diss. Jena, 1888. Munsel, J. A Chronology of Paper and Papermaking. Al¬ bany, 1870. 26b Nielsen, Y. Diplomatiske Aktstyker vedkommende Norges Opgjor med Danmark, 1818-1819. Christiania, 1890. 122 Catalog. Nitzsch, F. Die Idee u. die Stufen des Opferkultes, ein Bei- trag zur allgemeinen Religionsgeschichte. Kiel, 1889. Nordwall, J. E. Svensk-ryska underhandlingar fore freden i Kardis (1658-61). Upsala, 1890. Nutzel, H. Munzen der Basuliden nebst einem Abriss der Geschichte dieser Jemenischen Dynastie. Inaug. Diss. Jena, 1891. Osten, G. y. d. Die Handels- u. Verkehrssperre des deutscheir Kaufmannes gegen Flandern, 1358-1360. Inaug. Diss. Kiel, 1889. Phillips, H. An Account of the Congo Independent State. Proc. Amer. Phil. Soc., vol. XXVII, pp. 459-476. Rauch, Jacob. Kritische Bemerkungen zu einigen Quellen der Geschichte Rudolfs von Hapsburg. Inaug. Diss. Jena, 1893. Regner, P. B. Kriget och tillstandet i. vesterbotten 1809, Jamto foregaende historik ofver Ryssarnes infall i vester¬ botten pa 1700-talet. Upsala, 1891. Rydfors, A. De diplomatiska forbindelserna mellan suerigG och England, 1624-1630. Upsala, 1890. Sandregen, M. Till historien om statshualfningen i suerige 1809. Upsala, 1890. Schroder, H. Zur Waffen- u. Schiffskunde des deutschen Mit- telalters bis urn das Jahrl200. Inaug. Diss. Kiel, 1890. Pereira da Silva, I. M. Christovam Colombo eo Descobrimento da America. Rio Janeiro, 1893. Smitt, I. Det Norske Landbrugs Historie i Tidsrumnet 1815— 1870. Christiania, 1876. Stavenow, L. Om viksradsvalen under frihetstiden bidrag til Svenska riksradets historia. Upsala, 1890. History — Non- Serials. 123 y. Terey, G-. Cardinal Albrecht von Brandenburg und das Halle’sche Heiligthumsbueh von 1520. Inaug. Diss., Strasburg, 1892. Turner, F. J. The Character and Influence of the Indian Trade in Wisconsin. Johns Hopkins Universty Studies, Histor¬ ical and Political Science, Series IX, Nos. 11 and 12. Ulrici, E. Hie Ansiedlungen der Normanen in Island,. Gron- land u. Nord-Amerika in 9ten, lOten and 11 ten Jahrhun- dert. Undset, I. Indskrifter framiddelalderen i Throndhjems dom- ) kirke. Christiania, 1888. Unzer, A. Hie Convention v. Klein-Schnellendorf. Inaug. Hiss. Kiel, 1889. - Hertzberges Anteil an den preussisch-osterreichischen Ver- handlung 1878-79. Inaug. Hiss. Kiel, 1890. Vaconius, Franz. Hie Messianische Idee der Hebraeer ge- schichtlich entwickelt. Teil I. Inaug. Hiss. Jena. Vessberg, G. W. Om svenska ricksdagen ders sammansattning och Verksamhetsformer 1772-1809. Upsala, 1889. Wagner, M. Untersuchung uber die Ryswijker Religions- Klausel. Inaug. Hiss. Jena, 1889. Woebling, Gustav. Hie mittelalterlichen Lebensbeschreib- ungen des Bonifatius ihrem Inhalte nach untersucht, ver- glichen und erlautert. Inaug. Hiss. Jena. Whitney, S. H. The Early History of the Kennebec Valley. Wirtz, L. Hie Politik der Katharina v. Medici u; deren Zu- sammenhang mit den auswartigen Beziehungen u. inneren Verhaltnissen Frankreichs, 1563-1565. Inaug. Hiss. Jena, 1891. 124 Catalog. LAW. NON- SERIAL 8. Pamphlets , 30c. Brandt, F. Grundtraekkene i. den Aeldste Norske Procers . Christiania, 1874. Hertzberg, E. De gamle loves mynding. Christiania, 1889. Katz, P. A. Beitrage zur Lehre v. den Schriftsatzen. Inaug. Diss. Kiel, 1883. Kjellen, R. Studier vorande Ministeransvarigheten. loch II. Upsala, 1890. Landgren, K. G. Om Konungens Sanktionsratt vid Forand- ring eller Upphafvande af Statens Ordinarie Inkomster. Upsala, 1890. Nieden, W. zur. Das Miteigenthumverhaltniss am Gemein- schaftlichen Sklaven u. der darauf beruhende Rechts- erwerf desselben fur die mehreren Herren. Inaug. Diss. Jena, 1891. \ Noye, W. Maxims of the Laws of England. Albany, 1870. 27b. Ruhl, A. Zur Reform der Armengesetzgebung. Inaug. Diss. Jena, 1888. Seelig, G. Die Erbfolgeordnung des Schwabenspiegels. Inaug. Diss. Kiel, 1890. Varenivs, O. Om Riksforestandarskap enligt sveriges och Norges Grundlagar. Publication Upsala, 1892. Language and Literature (Greek) — Non-Serials. 125 LANGUAGE AND LITERATURE (Greek). NON-SERIALS. Pamphlets , 30d. Aars, J. Das Gedicht des Simonides in Platons Protagoras. ^Christiania, 1888. Adams, C. D. De periodorum formis et successionibus in Demosthenis oratione Chersonesitica. Inaug. Diss. Kiel, 1891. Blars, F. Die Entdeckungen auf dem Gebiete der Klassischen Philologie im Jahre 1891. Inaug. Diss. Konigsberg, 1892. Burckhardt, Ludovicus Augustus. Dse Hieroclis Synecdemi codicibus commentatio. Inaug. Diss. Leipzig. Clamon, P. De Scholiis veteribus in Aves Aristophanis com- positis. Inaug. Diss. Kiel, 1881. Comparetti, D. Sulla Epistola Ovidiana di Saffo a Faone. Florence, 1876. 26b Friedrichsmeier, F. De Luciani re metrica. Inaug. Diss. Kiel, 1889. Gerber, T. Quae in commentariis a Gregorio Corinthio in Hermogenem scriptis vetustorium commentariorum ves¬ tigia deprehendi possint. Inaug. Diss. Kiel, 1891. Grigorakis, G. 2rrKPI2ilS TT1N "SXOAUim TLLN $OINI22flN TO TETPITIIA OF ITP02 TO TOTTTIN KEIMENON. Inaug. Diss., 1890. Hagen, P. Quaestiones Dioneae. Inaug. Diss. Kiel, 1887. Harries, H. Tragici Graeci qua arte usi sint in describenda insania. Inaug. Diss. Kiel, 1891. Hars, H. De Herodis Attici oratione. LLEPI IIOLITEIA'2. Inaug. Diss., 1880. 126 Catalog. Helmbold, H. Aristophanis Pax superstes utrum prior sit an retractata. Inaug Diss. Jena, 1890. Hempel, O. Quaestiones Theocriteae. Inaug. Diss. Kiel, 1881. Hirsch, R. De animarum apud antiquos imaginibiis. Inaug. Diss., 1889. Kaehler, F. De Aristophanis Ecclesiazuson tempore et chore quaestiones epicriticae. Inaug. Diss. Jena, 1889. Kehmptzow, F. De Quinti Smyrnaei fontibus ac mythopoeia. Inaug. Diss. Kiel, 1891. Kersten, F, De ellipseos usu Lucianeo. Inaug. Diss. Kiel, 1889. Kjellberg, L. De cyclo epico quaestiones selectae. Publi¬ cation Upsala, 1890. Lees, J. T. AIKANIKO'2 A0r02 in Euripides. Diss. Johns Hopkins, 1891. Meinhardt, Paulus. De forma et usu juramentorum, quae inveniuntur in comicorum graecorum et Platonis, Xenophontis, Luciani sermone. Inaug. Diss. Jena. Lindemann, H. De dialecto Ionica recentiore. Inaug. Diss. Keil, 1889. Ludwich, A. Lectiones Pseudophocylideae, 1892. - - Herodiani technici reliquiarum supplementum, 1891. Luebbert, G. De amnestia anno CCCCIII, a. 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Language and Literature (Latin) — Non- Serials. 129 Kelter, E. Apulei quae fertur physiognomonia quando com- posita sit. Inaug. Diss. Kiel., 1890-. Mayen, G-. De particulis quod quia quoni am quomodo ut pro acc. cum infinitivo post uerba sentiendi et declarandi positis. Inaug. Diss. Kiel, 1889. Molken, H. In Conmenstarium de bello africano quaestiones criticae. Inaug. Diss. Jena., 1892. Neumann, H. De Plinii Dubii Sermonis Libris Charisii et Prisciani fontibus. Inaug. Diss. Kiel, 1881. Badtke, J. Observationes criticae in Cornifici libros de arte rhetorica. Inaug. Diss., 1892 Keiche, F. Chronologie der letzen 6 Bucher des Ammianus Marcellinus. Inaug. Diss. Jena., 1889. Rubensohn, O. Die Mysterienheiligtumer in Eolensis und Samrothrake. (Esrster Theil.) Publication Strasburg, 1892. Schultze, E. De legione Romanorum XIII gemina. Inaug. Diss. Kiel, 1887. Wendling, A. De peplo Aristotelico quaestiones selectae. Inaug. Diss. Jena, 1891. Wieding, G-. De aetate Consolationis ad Liviam. Inaug. Diss. Kiel, 1888. Witte, E. Ammianus Marcellinus quid judicaverit de rebus divinis. Inaug. Diss. Jena, 1891. 130 Catalog. LANGUAGE AND LITERATURE (English and Anglo-Saxon). NON-SERIALS. Pamphlets, 30d. Carstens, B. Zur Dialectbestimmung des Mittelenglisehen Sir Firumbras, eine Lautuntersuchung. Inaug. Diss. Kiel, 1884. Foster, T. G. Judith Studies in Metre, Language and Style. Inaug. Diss. Strassburg, 1892. Fuhrmann, J. Die Alliterierenden Sprachformeln in Morris’ Early English Alliterative Poems u. im Sir Gawayne and the Green Knight. Inaug. Diss. Kiel, 1886. Goeders, C. Zur Analogiebildung im Mittel und Neueng- lischen, ein Beitrag zur Kenntniss der Sprachgeschichte. Inaug. Diss. Kiel, 1874, Graf, A. Das Perfectum bei Chaucer. Eine Syntactische Untersuchung. Inaug, Diss. Kiel, 1888. Harstrick, A. Untersuchung uber die Praepositionen bei Al¬ fred dem Grossen. Inaug. Diss. Kiel, 1890. Heesch, G. Uber Sprache und Versbau des Halbsachsischen Gedichts, “Debate of the Body and the Soul.” Inaug. Diss. Kiel, 1884. Hoofe, A. Lautuntersuchungen zu Osbern Bokenam’s Legend- en. Inaug. Diss. Kiel, 1885. Kolls, A. Zur Lanvalsage. Eine Quellen-untersuchung. Inaug. Diss. Kiel, 1886. Kramer, G. Uber Stichomythie und Gleichklang in den Dramen Shakespeares. Inaug. Diss. Kiel, 1889. Lowisch, M. Zur Englischen Aussprache von 1650-1750 nach Fruhenglischen Grammatiken. Inaug. Diss. Jena, 1889 Language and Literature — Non- Serials. 131 Luttgens, C. Uber Bedeutung u. Gebrauch der Hilfsverba im Fruhen Altenglischen. Sculan and Willan. Inaug. Diss. Kiel, 1888. Muller, Hugo. Uber Die Angelsachsischen Versus Gnomici. Inaug. Diss. Jena, 1893. Neumann, M. Ueber das Altenglische Gedicht von Judith. Inaug. Diss. Kiel, 1892. Bitzenfeldt, E. Der Gebrauch des Pronomens, Artikels u. Verbs bei Thomas Kyd im Vergleich zu dem Gebrauch bei Shakespeare. Inaug. Diss. Kiel, 1889. 'Schultz, E. Die Sprache der “English Gilds” aus dem Jahre 1389. Ein Beitrag zur Dialektkunde von Norfolk. Inaug. Diss. Jena. Tolman, A. H. The Style of Anglo-Saxon Poetry. Trans, and Proc. of Modern Language Association of America, vol. Ill, pp. 1-31. - - Studies in Macbeth. Atlantic Monthly, vol. LXIV, No. 412, pp. 241-245. - Shall and Will and Should and Would. Modern Language Notes, vol. VII, No. 4, pp. 1-3. Wandschneider, W. Zur Syntax des Verbs in Langley’s Vis¬ ion of William concerning Piers the Plowman, together with vita de Dowel, Dobet & Dobest. Inaug. Diss. Kiel, 1887. Wichers, P. Uber di Bildung der Zusammengesetzten Zeiten der Vergangenheit im Fruh-Mittelenglischen. Inaug. Diss. Kiel, 1889. ii — 10 Ap. 182 Catalog LANGUAGE AND LITERATURE (French) NON-SERIALS. Pamphlets , 30d. Andersson, H. Etude Linguistique sur Version de la legends* de Theophile. Upsala, 1889. Brauns, J, Uber Quelle u. Entwicklung der altfranzosischen Caucun de saint Alexis verglichen mit der provenzal- ischen Vida sowie den altenglischen u. mittelhoch- deutschen Darstellungen. Inaug. Diss. Kiel, 1884. Cron, J. Die Stellung des attributiven Adjectives im Alt¬ franzosischen. Inaug. Diss. Strassburg, 1891. Elsner, Avon. Uber Form u. Verwendung des Personalprono- mens im Altprovenzalischen. Inaug. Diss. Kiel, 1886. Frantzen, J. J. A. A. Kritische Bemerkungen zu Fischarts Uebersetzung von Rabelais’ Gargantua. Inaug. Diss. Strassburg, 1892. Hellgrewe, W. Syntaktische Studien uber Scarron’s Le Roman Comique. Inaug. Diss. Jena, 1887. Herting, A. Der Versbau Etienne Jodelle’s. Abhandlung.. Kiel, 1884. Hofmann, F. Avoir u. estre in den umschreibenden Zeiten de& altfranzosischen intransitiven Zeitworts. Inaug. Diss. Kiel, 1890. Johannssen, H. Der Ausdruck des Concessivverhaltnisses im Altfranzosischen. 1884. Kinne, G. H. Formulas in the Language of the French Poet- Dramatists of the Seventeenth Century. Inaug. Diss Strassburg, 1892. Language and Literature — Non- Serials. 133 Lindstrom, E. Anmarkningar till de Obetonade Vokalernas Bortfall i. narga Nordfranska Ortnamm. Publication Upsala, 1892. Matschke, O. Die Nebensatze der Zeit im Altfranzosischen. Inaug. Diss. Kiel, 1887. Nienkirchen, F. Alfred de Musset’s G-edicht Sur la Paresse als zeitgenossiche Satire mit ihren Beziehungen zu Mathurin Regnier im biographisch-literargeschichtlicher Commentar. Inaug. Diss. Jena, 1889. Nissen, P. Der Nominativ der verbundenen Personalpronomina in den altesten franzosischen Sprachdenkmalern. Inaug. Diss. Kiel, 18*82. Nordfelt, A. Etudes la chanson de enfances vivien. Stock¬ holm, 1891. Orlopp, W. Ueber die Wortstellung bei Rabelais. Inaug. Diss. Jena, 1888. Quiehl, K. Der Gebrauch des Konjunktivs in den altesten franzosischen Sprachdenkmalern bis zum Rolandsliede einschliesslich. Inaug. Diss. Kiel, 1881. Raeder, H. Die Tropen u. Figuren bei R. Gamier, ihrem Inhalt nach untersucht u. in den romischen Tragodien mit der lateinischen Vorlage verglichen. Inaug. Diss. Kiel, 1886. Roll, O. Ueber den Einfluss der Volksetymologie auf die Ent- wicklung der neufranzosischen Schriftsprache. Ein Bei- trag zur Kenntniss der Sprachgeschichte. Inaug. Diss. Kiel, 1888. Ruckoldt, A. Richeiieus Stellung in der Geschichte der franzo, sischen Litteratur. Eine Litterarische u. grammatische Untersuchung. Inaug. Diss. Jena, 1889. Schopf, S. Beitrage zur Biographie u. zur Chronologie der Lieder des Troubadours Peire Vidal. Inaug. Diss. Kiel, 1887. 134 Catalog. Thomsen, E. Uber die Bedeutungsentwicklung der Scheide- worter des Franzosischen. Inaug. Diss. Kiel, 1890. Williams, C. A. Die Franzosischen Ortsnamen Keltischer Abkunft. Inaug. Diss. Strassburg. 1891. Wolff, E. Zur Syntax des Verbs bei Adenet Le Roi. Inaug. Diss. Kiel, 1884. LANGUAGE AND LITERATURE (Teutonic). NON-SERIALS. « Pamphlets , 30d. Ahlgrimm, T. Untersuchungen uber. die Gothaer Handschrift des “Herzog Ernst. ” Inaug. Diss. Kiel, 1890. Balg, G. H. The First Germanic Bible, translated from the Greek by the Gothic Bishop Wulfila in the fourth cen¬ tury, and the other remains of the Gothic Language. Milwaukee, New York, London and Halle, 1891. 26a - (Translator) Gothic Grammar with Selections for Reading and a Glossary, by Wilhelm Braune. Translated from the Second German edition by G. H. Balg. New York, 1883. 26a - A Comparative Glossary of the Gothic Language with Especial Reference to English and German, with a pre¬ face by Prof. F. A. March, LL.D. Mayville, New York, London and Halle, 1887-1889. 26a Calaminus, W. Zur Kritik u. Erklarung der altnordischen Frithjofssage. Inaug. Diss. Jena, 1887. Garke, H. Prothese u. Aphaerese des H in Althochdeutschen. Inaug. Diss. Strassburg, 1891. Heitmuller, F. Hamburgische Dramatiker zur zeit Gottscheds u. ihre Beziehungen zu ihm. Ein Beitrag zur Geschichte des Theaters u. Dramas im 18ten Jahrhundert. Inaug. Diss. Jena, 1890. Language and Literature— Non- Serials. 185 Goldbeck-Loewe, A. Geschichte der freien Verse in der Deutschen Dichtung. Von Klopstock bis Goethe. Inaug. Diss. Kiel, 1891. Graf, H. Der “ Sprachverderber” vom Jahre 1643 u.d ie aus ihm hervorgegangenen Schriften. Inaug. Diss. Jena, 1892. Hellquist, E. Bidrag till laran om den Nordska Nominal- bilduingen. Publication Upsala, 1890. Kuhlmann, H. Die Konzessivsatze in Nibelungenliede u. in der Gudrun mit Vergleichung der ubrigen mittelhoch- deutschen Volksepen. Inaug. Diss. Kiel, 1891. Litzmann, A. Untersuchungen uber Berthold von Holle. Habilitationsschrift. Jena, 1891. Mensing, O. Untersuchungen uber die Syntax der Concessiv- satze im Alt- und Mittelhochdeutschen mit besonderer Rucksicht auf Wolframs Parzival. Inaug. Diss. Kiel, 1891. Netoliczke, O. Schaferdichtung u. Poetik im 18ten Jahrhun- dert. Inaug. Diss. Jena, 1889. Puls, A. Untersuchung uber die Lautlere der Lieder Muscat- blut’s. 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Din Warheit eine Reimpredigt aus dem llten Jahr- hundert. Inaug. Diss. Kiel, 1891. Wachter, O. Untersuchungen uber das G-edicht “Mai u. Beaflor. ” Inaug. Diss. Jena, 1889. LANGUAGE AND LITERATURE, (Oriental.) NON-SERIALS. Pamphlets , 30d. Ahfeldt, O. C. P. Den Jeremianska Profetiam om Guds Rike. Publications Upsala, 1891. Bugge, S. Beitrage zur etymologischen Erlauterung der arme- nischen Sprache. Christiania, 1889. Bouk, H. De Davide, Israelatarum Rege. Inaug. Diss. Kiel. 1891. Feilciienfeld, Josef. Ein einleitender Beitrag zum garib-al- kuram nebst einer Probe aus dem Lexikon des Segestani. Inaug. Diss. Jena. Feige, H. Die Geschichte des Mar Abhdiso und seines Jungers Mar Quardagh. Inaug. Diss. Kiel, 1889. Fick, R. Eine jainistische Bearbei.tung der Sagai*a Sage. Inaug. Diss. Kiel, 1888. Mathematics — Non- Serials. 137 Fries, K. Weddase Marjam ein Aethiopischer Lobgesang an Maria nach mehreren Handschriften herausgegeben und Ubersetzt. Inaug. Diss. Upsala, 1892. Huizinga, A. H. Analogy in the Semitic Languages. Diss. Johns Hopkins, 1891. Oppenheim, B. Die Syrische Uebersetzung des funften Buches der Psalmen. Inaug. Diss. Konigsberg, 1891. Seler, E. Das Conjugationssystem der Maya-sprachen. Leip¬ zig, 1887. Thiessen, J. H. Die Legende von Kisagotami. (Erster Theil. ) Inaug. Diss. Kiel. Weill, E. Der Commentar des Maimonides zum Tractat Berachoth. Inaug. Diss. Strassburg, 1891. MATHEMATICS. NON-SERIALS. Pamphlets , 21a. Backlin, G. Om partiela Differentialequationer af ordningen u. med en beroende och tua obervende variabler. Upsala* 1890. Ball, R. S. The Eighth Memoir on the Theory of Screws, Showing how Plane Geometry Illustrates General Prob¬ lems in the Dynamics of a Rigid Body with three Degrees of Freedom. Trans, of Royal Irish Academy, vol XXIX, No. 8, pp. 247-284. - Certain Problems in the Dynamics of a Rigid System Moving in Elliptic Space. Ibid., vol. 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Der logarithmische Grenzfall der Hypergeo- metrischen Differentialgleichung n-Ordnung. Inaug. Diss. Kiel, 1889. Oeltjen, H. Die Differentialgleichungen fur das Gleichgewicht der isotropen elastischen Platten. Inaug. Diss. Kiel, 1881. Olsson, O. Om fasta Kroppars rorelse i vatskor. Upsala, 1890. Oppenheimer, H. Anwendungen des Amesederschen Nullsys- terns. Inaug. Diss. Jena, 1881. Petrini, H. Om de till ekuationen Acp—Q Horande ortogonaal Koordinatsystem. Upsala, 1890. Penseler, G. Eine Linear Differentialgleichung funfter Ord- nung mit zwei endlichen singularen Stellen. Inaug. Diss. Kiel, 1890. Penzold, Eduard. Bestimmung der Lichtmenge, welche ein Ellipsoid von einem leuchtenden Punkte empfangt, wenn es teilweise von einem andern Ellipsoid beschattet wird, Inaug. Diss. Jena. Ruhlmann, R. Philosophische Arbeit ueber die Zahl. Inaug, Diss. Kiel, 1889. Sack, P. Ueber Kreisbundel liter Ordnung. Inaug. Diss. Jena, 1890. 140 Catalog. Schlesinger, L. 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Ein Beitrag zur Keratitis parenchymatosa aus den journalen der Universitats-Augenklinik zu Kiel. Inaug. Diss. Kiel, 1887. Bokelmann, H. Zwei Falle von Axendrehung des Dickdarms. Inaug. Diss. Kiel, 1889. Bolck, W. Die Alkoholbehandlung bei Erkrankungen des Ohres. Inaug. Diss. Konigsberg, 1892. Bolte, H. Beitrag zur iEtiologie u. operativen Behandlung der Haematocele retrouterina. Inaug. Diss. Kiel, 1889. Boltz, R. Ein Beitrag zur Statistik u, Anatomie der Tuberku- lose im Kindersalter. Inaug. Diss. Kiel, 1890. Bording, B. Das Meckel’sche Divertikel als Ursache innere Darmeinklemmung. Inaug. Diss. Kiel, 1891. Medicine — Non- Serials. 145 Bork, G. Ueber die Missbildungen bei Tarnien. Inaug. Diss. Kiel, 1891. Bosdorff, E. Ueber Haufigkeit u. Vorkommen der Anenrysmen. Inaug. Biss. Kiel, 1889. Botjer, W. Die Antisepsis in der Geburtshulfe. Inaug. Diss. Kiel, 1880. Brandis, J. Ein Fall v. Dickdarmsyfilis. Inaug. Diss. Kiel,. 1884. Bratz, E. Ueber Strychnin u. Brucin. Inaug. Diss. Kiel, 1891. 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Kiel, 1890. 146 Catalog. Bultmann, W. Ein Beitrag zum Erfolge der Iridectomie bei Glaucoma simplex. Inaug. Diss. Kiel, 1880. Burmeister, J. Einige Falle v. Miliartuberkulose ausgehend v. cariosen Processen. Inaug. Diss. Kiel, 1889. Burmeister, R. Ueber die Wirkung des Coniin auf den Kreis- lauf. Inaug. Diss. Kiel, 1881. Butefisch, H. Ueber Encephalopathia Saturnina. Inaug. Diss Kiel, 1891. Carstens, C. Beitrag zur Lehre u. Statistik der Oesofagus- geschwure. Inaug. Diss. Kiel, 1889. Caspersohn, C. Zur Statistik . u. Radikaloperation des Mast- darmkrebus. Inaug. Diss. Kiel, 1887. Claussen, J. A. Die Wirkungen des Hyosciuum Hydrojodicum u. Hydrobromicum in Vergleiche mit denen des Atrapin u. des Extr. Hyoscyami. Inaug. Diss. Kiel, 1883. Coesfeld, H. Ueber Fliunnereoithelcysten des Oesophagus* Inaug. Diss. Kiel, 1891. Cohn, S. Beitrag zur Statistik des runden Magengeschwurs, Inaug Diss. Kiel, 1891. Cohn, T. 31 Falle v. Myomektomie. Inaug. Diss. Kunigsberg, 1891. Collischonn, H. Beitrag zur Casuistik der Form u. Lagerungs- Storungen des Magens. Inaug. Diss. Kiel, 1888. Cramer, E. Zur Behandlung der Endometritis Hyperplastica mit Chlorzinkstiften. Inaug. Diss. Kiel, 1892. Cromme, F. Beitrag zur Kenntniss der Wirkung des Nitro- prussidnatrium. Inaug. Diss. Kiel, 1891. Cunningham, D. J. The Brain and Eyeball of a Human Cy- clopian Monster. Trans, of Royal Irish Acad., vol. XXIX, No. 4, pp. 101-122; pi. 5. Medicine — Non- Serials. 147 Danielson, H. Krebs-Statistik nach den Befunden des Pathologischen Instituts zu Kiel von Jahre 1873-1887. Inaug. Biss. Kiel, 1887. Dannemann, A. Beitrag zur Kenntniss der Wirkung des Physostigmin. Inaug. Diss. Kiel, 1891. Demohn, G-. Ueber einen Fall v. grossem Darmstein. Inaug. Diss. Kiel, 1891. Denker, A. Ein Beitrag zur Lehre v. der Resorptionsthatig- keit der Magenschleimhant. Inaug. Diss. Kiel, 1890. Derbe, M. Ueber das Vorkommen von Pflasterepithel in Cyl- inderepitheltragenden Schleimhauten. Inaug. Diss. Konigsberg, 1892. Dittmer, J. Beitrag zur Statistik der modificierten Linear- Extraktion. Inaug. Diss. Kiel, 1892. Boege, M. Ein Fall v. Nierenexstirpation nach subcutaner Yerletzung der Niere. Inaug. Diss. Kiel, 1889. Doehle, P. Beobachtungen uber einen Antagonisten des Milz- brandes. Inaug. Diss. Kiel, 1889. - Ein Fall v. Eigenthumlicher Aortenerkrankung bei einem Syfilitischen. Inaug. Diss. Kiel, 1885. Donhoff, R. Beitrag zur Statistik u. Pathologischen Histolo- gie der Tubenerkrankungen. Inaug. Diss. Kiel, 1888. Dorken, E. Ein Fall von Spontaner Milzruptur. Inaug. Diss. Kiel, 1892. Dose, C. Beitrag zur Kenntniss der Wirkung des Landanins. Inaug. Diss. Kiel, 1890. Dressler, O. Ein Beitrag zur Beurfcheilung der Alexander- Adam’schen Operation. Iuaug. Diss. Kiel, 1890. Dreyer, A. Beitrag zur Kenntniss der Funktion der Schutz- scheide. Inaug. Diss. Jena, 1892. ii— 11 Ap. 148 Catalog. Duvelins, J. Ueber Entzundungen der bursa trochanterica m. deren Behandlung. Inaug. Diss, Kiel, 1880. Eichhorn, hugo, Beitrage zur Kenntniss des Einflusses von Temperatur und Witterungs-verhaltnissen auf die Ten- acital des tuberkulosen Sputums. Jena, 1893. Erler, K. H. Zur Kenntniss der Nereditar luetischen Zungen- Speicheldrusen- und Halslymphdrusen-Vergrosserung.. Inaug, Diss. Jena, 1892. Ernst, G. Bericht uber 25 von Herrn Professor Dr. Riedat operierte Falle von Kropfgeschwulsten. Inaug. Diss. Jena, 1892. Eschricht, C. Ein Fall v. Hydrops genuintermittens. Inaug.. Diss. Kiel, 1888. Ebermaier, A. Ein Fall v. Syfilis hereditaria tarda. Inaug„. Diss. Kiel, 1888. Elgehausen, F. Ein seltene Misbildung des weiblichen Uro- genitalapparates. Inaug. Diss. Kiel. 1891. Engel, H. Ein Fall v. Myxoma lipomatodes der Unterleibs- hohle. Inaug. Diss. Kiel, 1888. Falck, H. Beitrag zur Lehre u. Casnistik der Bindegewebs- geschwulste des Halses. Inaug. Diss. Kiel, 1887. Fenstell, F. Ueber die spateren Schicksale der Atelektase. Inaug. Diss. Kiel, 1883. Fichtel, J. 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V erhandlungen 2d Ser. Yols. X-XXIX. + 14b Washington [D. C.] U. S. Geological Survey. Mineral Resources of the United States, 1882-84, 86-90. + 18b - - U. S. Treasury Department. Mineral Resources West of the Rocky Mountains. Report 1872-73. 18c Mineralogy — Non- Serials. 181 NON- SERIALS. Pamphlets , 14a. Artini, E. Della forma cristallina di due nuovi composti organici. Revista di Mineralogia e Cristallografia, vol. X, fasc. VI, p. 90. Backstrom, H. Elektrisches u. thermisches Leitungsvermogen des Eisenglanzes. Stockholm, 1888. - Beitrage zur Kenntniss der Thermoelektricitat der Krys- talle. Stockholm, 1888. Backstrom H. and Brogger, W. C. Ueber den Dahllit ein neues Mineral v. Odegarden Bamle, Norwegen. Stock holm, 1888. Bjerken, P. Nagra Undersokningar ofver Accidentell Dubbel brytning hos Gelatinosa Amnen. Upsala, 1890. Brauns, Reinhard. Die optischen Anomalien der Krystalle. (Preisschrift Furstlich Jablonowski G-esellschaft). Leipzig, 1891. 13e. Bucca, L. Contribuzione alio studio geologico dell’ Abissinia. Rivista di Mineralogia e Cristallografia, vol. X, fasc. VI, pp. 90-94. Clarke, F. W. Note on the Constitution of Ptilolite and Mordenite. American Journal of Science, vol. XLIV, August, 1892. Cohen, E. Titaneisen v. den Diamantfeldern in Sud-Afrika. Neues Jahrbuch fur Mineralogie, etc., 1877, pp. 1-2. - Review of Nordenskiold’s Mineralogische Beitrage 6 (no title.) Ibid., 1879, pp. 77-84. Ueber einen Aventurinquarz aus Ostindien. Versamml des Oberrheinisch. geol. Vereins zu Durkheim, bayr. Rheinpfalz. , am 13, 14 u. 15, Apr. 1882. 182 Catalog. Cohen, E. — continued. Ueber Jadeit von Thibet. Neues Jahr- buch fur Mineralogie, etc., 1884, Bd. I, pp. 71-73. - Ueber eine Pseudomorphose nach Markasit aus der Kreide- von Arcona auf Rugen. Sitzungsberichte der naturwiss. Yereins fur Neuvorpommern und Rugen, 1886, pp. 1-4. - Ueber Speckstein, Pseudofit u. dichten Muscovit aus- Sud-Afrika. Neues Jahrbuch fur Mineralogie, etc. y 1887, Bd. I, pp. 119-124. - Ueber pleochroitische Hofe im Biotit. Ibid., 1888, Bd.. I, pp. 165-169.] - Ueber den Granat der sudafrikanischen Diamantfelder u. uber den Chromgehalt der Pyrope. Mittheilungen des- naturwiss. Vereins fur Neuvorpommern u. Rugen, 1888, pp. 1-4. - Optischer Schlussel zur Bestimmung des Krystallsystems, v. Mineralien in Gesteinsdunnschliffen. Comstock, T. B. Occurrence of tin in Central Texas. Cross W. and Eakins, L. G. A new Occurrence of Ptilolite.. American Journal of Science, vol. XLIY, Aug., 1892. Fletcher, L. An Introduction to the Study of Minerals. 19c.. - An Introduction to Study of Meteorites. 19c. - Students Index to Collection of Minerals. 19c. - A Guide to the Mineral Gallery. (See Brit. Museum of' Nat. Hist.) 19c Friedel, G. Sulla Melanoflogite. Revista di Mineralogia e Cristallografia, vol. X, fasc. VI, pp. 89-90. Groth, Paul. Ueber die Molekularbeschaffenheit der Krys- talle. Festrede Munich, 1888. Haege, T. Die Mineralien des Siegerlandes und der angrenzen- den Bezirke. Inaug. Diss. Jena, 1888. Mineralogy — Non- Serials. 183 Hobbs, W. H. On a Rose-colored Lime- and Alumina-bearing Variety of Talc. American Journal of Science, vol. XLV, May, 1893. von J anson, A. Die Mineralien-Sammlung des Rittergutsbe- sitzers A von Jar son auf Schloss Gerdauen in Ost- preussen. Jenney, W. P. The Mineral Wealth, Climate and Rainfall, and Natural Resources of the Black Hills of Dakota. Washington, D. C., 1876. 16d. Hugo, L. Essays on Crystallography. Paris, 1867. 14a. Kunz, G. F. The Gem collection of the U. S. National Museum. Report of the Smithsonian Institution, 1885- 1886, part 2, pages 267-275. Washington, 1888. - - Precious Stones. Abstract from “Mineral Resources of the U. S. for 1886. Washington, 1887. - On a large Garnet from New York Island. New York Academy of Sciences. Read Dec. 7, 1885, and May 30, 1886. - Mineralogical Notes. Proceedings of the American As¬ sociation for the Advancement of Science, vol. XXXIV, Ann Arbor meeting, Aug. 1885, pp. 237-258. - Article on Precious Stones from Appleton’s Physical Geography. New York, 1892. Hue as, J. Mines and Mineral Statistics of New South Wales. Sidney, 1875. 15e. Noelting, J. Ueber das Verhaltniss der sogenannten Schalen- blende zur regularen Blende u. zum hexagonalen Wurtzit. Inaug. Diss. Kiel, 1887. Panebianco, R. Sulla forma cristallino della melanoflogite. Revista di Mineralogia e Cristallografia, vol. X, fasc VI, pp. 81-84. 184 Catalog. Peterson, G. W. Studier ofver Gadolinit, Upsala, 1890. Piccini, A. e Giorgis, G. Fluossivanaditi e fluossipovanaditi e fluovanaditi. Rivista di Mineralogia e. Cristallografia, vol. X, fasc. VI, pp. 85-89. Richard, T. A. Certain Dissimilar Occurrences of Gold- Bearing Quartz. Colorado Scientific Soc. in Denver,. 1893. Schweitzer, J. Krystallographische Beschreibung des Eisen- glanzes u. des Fahlerzes von Framont. Inaug. Diss. Strassburg, 1892. Spezia, G. SulF Origine dell Solfo nei GiacimentL Solfiferl della Sicilia. Turin, 1892. Stober. F. Mittheilungen uber den Kalkspath von Elsass- Lothringen. Inaug. Diss. Strassburg, 1892. IV ads worth, M. E. The Argillite and Conglomerate of the Boston Basin. Proc. Boston Soc. Nat. Hist., vol. XXII, pp. 130-133. Weinschenk, E. Beitrage zur Mineralsynthese. Zeitschrift fur Krystallographie, vol. XVII, pp. 486-504. Williams, G. H. Cause of the Apparently Perfect Cleavage in American Sphene (Titanite). Amer. Jour. Sci., voh XXIX, pp. 486-490. - On the Hornblende of St. Lawrence County, N. Y. , and its Gliding Planes. Ibid., vol. XXXIX, pp. 352-358. - On the Paramorphosis of Pyroxene to Hornblende in Rocks. Ibid., vol. XXVIII, pp. 258-268. - - On a Remarkable Crystal of Pyrite from Baltimore Coun¬ ty, Md. Johns Hopkins University Circulars, No. 52, 1886. - Note on Some Remarkable Crystals of Pyroxene from Or¬ ange County, N. Y. Amer. Jour. Sci., vol. XXXIV, pp 275-276. Mining — Serials. 185 Williams, G. H. — continued. On the Crystal Form of Metallic Zinc. Am. Chemical Jour., vol. XI, No. 4. - Syllabus of Lectures on Optical Crystallography. - Colestin von Mineral County, West Virginia. Zeitschrift fumKrystallographie, vol. XVIII, No. 1. - — On the Possibility of Hemihedrism in the Monoclinic Crystal System, with Especial Reference to the Hemi¬ hedrism of Pyroxene. Amer. Jour. Sci., vol. XXXVIII, pp. 115-120. - - Anglesite, Cerussite and Sulphur from the Mountain View Lead Mine, near Union Bridge, Carroll County, Md. Johns Hopkins University Circulars, No. 87. - and Gill, A. C. Contributions to the Mineralogy of Maryland. Ibid., No. 75. MINING. SERIALS. Golden [Colorado] Colorado State School of Mines. Annual Report to Governor, 1885-1887, 88- 90. + 19a Newcastle [England] North of England Mining and Mechanical Engineers. Transactions. Vols. XII-XVII, XXIII-XXX, XXXI, pts 1-3, XXIV 1-6, XXXV 1-3, XXXVI 2-4, XXXVII 1-6, XXXVIII 1-6, XXXIX 1, XL 1-4. + 18a&b Index of Vols. I-XXV, (1852-76). 18a - Council of Mining and Mechanical Engineers. North¬ umberland and Durham Borings and Sinkings. Part I, A-B, II, C-E, III, F-K 18b Reports 1890-91. Parts I-III. 18b 186 Catalog » New York [New York] Columbia College. School of Mines Quarterly. Vol. XIII, No 4; XIV, No. 1. + 19a Sacramento [Cal.] State Mining Bureau. Annual Report 1884-86, pt II, 87, 88, 89, 90. + 18b Tucson [Arizona] University of Arizona, School of Mines. Bulletin, Nos. 1 and 2. + 19a NON SERIALS. Pamphlets , 17e. Comstock, T. B. The Veins of Southwestern Colorado. Amer. Naturalist, 1886, pp. 1063-1044. - Mining Engineering at the University of Illinois. Trans. Amer. Inst. Mining Engineers, 1886, pp. 1-10. - Oil and Natural Gas in Illinois. Engineers and Sur¬ veyor’s Ass. of Ill., 1887. - Report on the Geology and Mineral Resources of the Central Mineral Region of Texas. Bull. Geol. Surv. , Texas, 1891. pp. 555-664. - A Preliminary Report on the Geology of the Central Mineral Region of Texas. Ibid., 1890, pp. 239-391. Egleston, T. Leaching Gold and Silver Ores in the West. Amer. Inst. Mining Engineers, 1883. Parish, J. B. On the Ore Deposits of Newman Hill. Trans. Colorado Sci. Soc., 1892, pp. 1-16. Hale, I. The Present Limitations of the Electric Power in Mining. Trans. Colorado Sci. Soc., 1892. Pedagogy — Non- Serials. 187 Rittler, W. H. Report of Mining Engineer of the Stephenson Silver Mining Company in the Organ Range of Mountains near Ft. Fillmore, in the Territory of New Mexico, U. S. 1860. b • Y ogdes, A. W. Notes on the Distribution of Iron Ores in the United States. PEDAGOGY. NON-SERIALS. Pamphlets , 30c. Burger, A. Ueber die Gliederurg der Padagogik Kants. Inaug. Diss. Jena, 1889. Maenuel, B. Ueber Abstraktion. Eine psychologisch-pada- • gogische Monographic. Inaug. Diss. Jena, 1890. Manterola, R. Ensayo sobre una clasificacion de las Ciencias. Mexico, 1884. Muller, W. Comen ius : Ein Systematiker in der Padagogik. Eine philosophisch-historische Untersuchung. Inaug. Diss. Jena, 1887. Span, Peter. Die Fortbildung der Padagogik Herbarts durch Ziller. Inaug. Diss. Jena, 1889. PHILOLOGY. (see language and literature.) 188 Catalog. PHILOSOPHY. (INCLUDING PSYCHOLOGY, ETHICS, THEOLOGY, ETC.) NON-SERIALS. Pamphlets , 30c. Aviella, G. L’evolution religieuse contemporaine chez les Anglais, les Americains et les Hindous. Bahlow, F. Luthers Stellung zur Philosophie. Inaug. Diss„ Jena, 1891. Baltzer, A. Spinozas Entwicklungsgang, besonders nach seinen Brief en geschildert. Inaug. Diss. Kiel, 1888. Barchudarian, J. Inwiefern ist Leibniss in der Psychologie ein Vorganger Herbarts. Inaug. Diss. Jena, 1889. Bauer, W. Die Psychologischen Grundanschauungen Pesta- lozzis. Inaug. Diss. 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Diss. Jena., 1889. Harsler, A. Den Kristnes Forhallande till det Materiella Goda enligt nya testanentets lara. Upsala, 1891. Hissbach C. 1st ein durchgehender Gegensatz zwischen Spinoza u. Leibniss vorhanden. Inaug. Diss. Jena., 1889. Ilgen, H. Animadversiones ad L. Annsei Senacse philosophi scripti. Inaug. Diss. Jena., 1889. Klostermann, A. Die Gottesfurcht als Hauptstuck der Weis- heit. Inaug. Diss. Kiel, 1885. Koppehl, Hermann. Die Verwandschaft Leibnizens mit Thomas v. Aquino in der Lehre vom Bosen. Inaug. Diss. Jena. Kussner, G. Kritik des Pessimismus. Inaug. Diss. Jena. 1888. Leitz, H. Probleme im Begriff der Gesellschaft bei Auguste Comte im Gesammtzusammenhange seines Systems. Inaug. Diss. Jena, 1891. Liebermann. B. Der Zweckbegriff bei Trendelenberg. Inaug. Diss. Jena, 1889. Loeck, G. Die Homiliensammlung des Paulus Diakonus die unmittelbare Vorlage des Otfridischen Evangelienbuchs. Inaug. Diss. Kiel, 1890. Marbach, F. Die Psychologie des Firmiamis Lactautius. Inaug. Diss. Jena, 1889. 190 Catalog. Mauff, B. M. Der Religionspbilosophische Standpunkt der Sogenannten Deutschen Theologie v. Meister Eckhart^ Inaug. Diss. Jena, 1890. McMurry, F. Herbert Spencer’s Erziehungslehre. Inaug. Diss. Jena, 1890. Molsdorf, W. Die Idee des Schonen in der Weltgestaltung bei Thomas von Aquino. Inaug. Diss. Jena, 1891. Moosherr, Theodor. A. E. Biedermann nach seiner allgemein- philosophischen Stellimg. Inaug. Diss. Jena, 1893. Morgenstern, G-. Cyprian, Bischof von Carthago, als Philosoph. Inaug. Diss. Jena, 1889. Muller, H. Johannes Clauberg u. seine Stellung im Car- tesianismus mit besonderer Berucksichtigung seines Ver- haltnisses zu der Occasionalistischen Theorie. Inaug. Diss. Jena, 1891. Nicolai, W. 1st der Begriff des Schonen bei Kant Consequent Entwickelt. Inaug. Diss. Kiel, 1889. Nitzsch, F. Luther u. Aristoteles. Kiel, 1883. Norstrom, V. Grunddragen af. Herbert Spencer’s Sedelara. Inaug. Diss., 1890. Kenkauf. A. Philosophische Begrundung des Lehrplans des Evangelischen Religionsunterrichts an Hohern Schulen. Inaug. Diss. Jena, 1892. Riedel, O. Die Monadologischen. Bestimmungen in Kants Lehre vom Ding an sich. Inaug. Diss. Kiel, 1884. Rosny, L. La Religion des Japonais. Schoebel, C. L’ame Humaine. Schrecker, E. Der ReligionsbegrifT bei Schleiermacher u. seinem namhaftesten Nachfolgern. Inaug. Diss. Jena, 1880. Philosophy t etc . — Non- Serials. 191 Schwabe, G. Fichte’s u. Schopenhauer’s Lehre vom Willenmit ihren Konsequenzen fur Weltbegreifung u. Lebensfuh- rung. Inaug. Diss. Jena, 1887. Schwarz, H. Die Leibniz’sche Philosophie aufgefasst als Wider- legung des Materialisinus. Inaug. Diss. Jena, 1888. Steuer, Carl Wilibald. Die Gottes- und Logoslehre des Tatian mit ihren Beruhrungen in der griechischen Philosophie. Inaug. Diss. Jena, Stave, E. Om Aposteln Pauli Farhallande till Jesu Historiska. lif och lara. Upsala, 1889. Strasosky, H. Jacob Friedrich Fries als Kritiker der Kant- ischere Erkenntnisstheorie. Inaug. Diss. Jena, 1891. Temming, E. Beitrag zur Darstellung und Kritik der morali- schen Bildungslehre Kant’s. Inaug. Diss. Jena, 1892. Thomsen, H. Die rechtliche Willensbestimmung. 1882. Turic, Georg. Der Entschluss in dem Willensprozesse, aus dem Gesichtpunkt von Herbarts metaphysik und Psy¬ chology erortert. Inaug. Diss. Jena. Vannerus, A. Om Erfarenhetten ett Kenrskapsteoretiskt Studieforsok. Stockholm, 1890. Veeck, O. Darstellung u. Erorterung der reiigionsphilosophis- chen Grundanschauungen Trendelenburgs. Inaug. Diss. Jena, 1888. Werner, J. Hegels Offenbarungsbegriff. Inaug. Diss. Jena, 1887. Wernick, Georg. Der Begriff der Materie bei Leibniz in seiner Entwickelung und in seinen historischen Bezieh- ungen. Inaug. Diss. Jena, 1893. Wille, B. Der Phanomenalismus des Thomas Hobbes. Inaug. Diss. Kiel, 1888. 192 Catalog. PHONETICS. NON- SERIAL S. Pamphlets f 30b. Bierwirth, H. C. Die Vocale der Mundart v. Meinersen. Inaug. Diss. Jena, 1890. Dittmar, E. Die Blankenheimer Mundart. Inaug. Diss. Jena, 1891. G-oerke, R. Die Sprache des Raoul de Cambrai, eine Lautun- tersuchung. Inaug. Diss. Kiel, 1887. Gunther, G. Ueber den Wortaccent bei Spenser. Inaug. Diss. Jena, 1889. Heibey, H. Die Laute der Mundart v. Borssum. Inaug. Diss. Jena, 1891. Heumann, F. Consonantismus des Gascognischen bis zum Ende des dreizehnten Jahrhunderts. Inaug. Diss. Jena, 1888. Keferstein, G. Der Lautstand. Inaug. Diss. Jena, 1888. Leidolf, J. Die Naunheimer Mundart. Inaug. Diss. Jena, 1891. Martens, W. Ueber des Verhalten v. Vocalen u. Dyphthongen in gesprochenen Worten. Inaug. Diss. Kiel, 1888. Salge, E. Der Vocalismus in den Gedichten des Earl of Sur¬ rey. Inaug. Diss. Jena, 1887. Physics — Non- Serials. 198 PHYSICS. NON-SERIALS. Pamphlets , 21b. Ackermann, K. Bestimmung der erdmagnetischen Inklination von Kassel. Ball, R. S. Extension of the Theory of Screws to the Dy¬ namics of any Material System. Trans, of Royal Irish Academy, vol. XXVIII, No. 7, pp. 99-136. Bjerken, P. Nagra Undersokningar ofver Accidentell Dubbel- brytning hos Gelatinosa Aemnen. Upsala, 1890. Boas, F. Beitrage zur Erkenntniss der Farbe des Wassers. Inaug. Diss. Kiel, 1881. Brogan, H. H. Das magnetische Feld im physikalischen Lab- oratorium und die erdmagnetischen Constanten Von Strassburg. Inaug. Diss. Strassburg, 1892. Burnett, S. M. Refraction in the principal Meridians of a Triaxial Ellipsoid, with Remarks on the Correction of Astigmatism by Cylindrical Glasses and an Historical Note on Corneal Astigmatism. Archives of Ophthalmol¬ ogy, vol. XII, No. 1. Classen, J. Beobachtungen uber die spezifische Warme der flussigen Schwefels. Inaug. Diss. Hamburg, 1889. Dorn, E. Vorschlage zur gesetzlichen Bestimmungen uber elek- trische Maasseinheiten entworfen durch das Curatorium der Physikalisch-Technischen Reichsanstalt. Berlin, 1893. Eichhorn, W. Abhangigkeit der Warmeleitung der Gase von der Temperatur. Inaug. Diss. Jena, 1889. 194 Catalog. Farnsteiner, Karl. Ueber die Einwirkung einiger anorgan- ischen Salze auf das optische Drehungsvermogen des Rohrzuckers. Inaug. Diss. Jena, 1890. Frazer, P. The Application of Composite Photography to Handwriting and Especially to Signatures. Gerber, Otto. Ueber die Zusammensetzung des Dampfes von Klussigkeitsgemischen. Inaug. Diss. Jena. Gleichen, A. Beitrag zur Theorie der Brechung v. Strahlen- systemen. Inaug. Diss. Kiel. Grimpen, A. Ein Beitrag zur Theorie der durch eine kreis- formige Oeffnung erzeugten Beugungserscheinungen. Inaug. Diss. Kiel, 1890. Gross, G, Theoretische u. experimentelle Beitrage zur Diffu¬ sion v. Gasen und Dampfen. Inaug. Diss. 1889. Grosse, W. Ueber Polarisationsprismen. Inaug. Diss. 1886. Hagstrom, K. L. Jamforelse mellan Angstroms och Neumanns Metoder for Bestamning Ledningsformaga for Varme. Upsala, 1891. Harkness, W. M. On the Progress of Science as Exemplified in the Art of Weighing and Measuring. Washington, 1888. Henneberg, H. Ueber das Warm elei tun gsvermogen der Miseh- ungen von Aethylalkohol u. Wasser. Inaug. Diss. Wien, 1888. Heringa, P. M. Considerations sur la Theorie des Phenomenes Capillaires. Archives Nierlandaises des Sciences Exactes et Naturelles, Vol. XIII. 10c. Jonas, V. Photometrische Bestimmung der Absorptionsspektra roter u. blauer Blutenfarbstoffe. Inaug Diss. Kiel, 1887. Hofker, Hinrich. Ueber die Warmeleitung der Dampfe von Aminbasen. Inaug, Diss. Jena. Physics — Non- Serials 195 Juhlin, J. Bestamning af Vattenaugans Maximispanstighet ofver is mellan 0° och — 50° C. samt ofver vatten mellan + 20° och —13° C. Upsala, 1891. Kallenberg, O. Ueber'die Kohasion der G-emische v. Athylal- kohol, Propylalkohol u. Ameisensaure mit Wasser u. deren Beziehung zur Dampfspannung. . Inaug. Diss. Jena, 1890. Karsten, G. Die internationale General-Konferenz fur Maass und Gewicht in Paris 1889. Kiel, 1890. Koch, R. Beitrag zur Diffusion von Gasen und Dampfen. Inaug. Diss. Jena, 1892. Korselt, E. Untersuch ungen uber das Gesetz der Temperatur- abnahme in der Verticalen, a.uf Grund verschiedener Formeln zur barometrishen Hohenmessung. Inaug. Diss. Jena, 1890. Kugel, M. Uber die elektromotorische Wirkung des Broms. Inaug. Diss. Jena, 1889. Laas, M. Ueber den Einfluss der Luft auf den Widerstand des Quecksilbers. Inaug. Diss. Strassburg, 1892. Ladenburg, A. Die komischen Consequenzen der Spectral- analyse. Kiel, 1884. Liebig, G. A. On the Electrostatic Force required to produce Sparks in Air and other Gases. Philosophical Maga¬ zine, 1887, pp. 106-113, pi. II. Lebedew, P. Ueber Messungen der Dielectricitatsconstanten der Dampfe u. uber die Mossotti-Clausiussche Theorie der Dielectrica. Inaug. Diss. Strassburg, 1891. Ludeling, G. Erdmagnetische Messungen im physikalischen Institut der Universitat Kiel. Inaug. Diss. Kiel, 1891. Mills, Simeon. Force. Madison, 1893. Nordmann, P. Ueber eine neue Methode zum Messen des Ver- brauchs an elektrischer Energie. Inaug. Diss. Berlin,, 1888. ii— 14 Ap. 196 Catalog. Schonberg, P. Ueber die Warmeleitung u. ihre Abhangigkeit v. der Temperatur in den Dampfen v. Benzol u. Schwe- felkohlenstoff. Inaug. Diss. Jena, 1890. Schultze, Arthur. Ueber die Bewegung der Warme in einem homogenen rechtwinkligen Parallelepipedon. Inaug. Diss, Kiel, 1887* Simonson, E. A. Photometrische u. elektrische Untersuchungen Geissler’scher mit Atmospharischer Luft gefullter Rohren. Inaug. Diss. Kiel, 1892. Sommerfeld, Arnold. Die Willkurlichen Functionen in der Mathematischen Physik. Inaug. Diss. Konigsberg, 1891. Tarleton, F. A. On some Deductions from M’Cullagh’s Lec¬ tures on Rotation. Trans, of Royal Irish Academy, vol. XXVIII, no. X, pp. 185-196. Thompson, J. O. Ueber das G-esetz der elastischen Dehnung. Inaug. Diss. Strassburg, 1891. Timberg, G. Om temperaturens inflytande pa nagra vatskors Kapillaritetskonstanter. Upsala, 1891. Victorian Institute of Engineers. Rules for Electrical In¬ stallations. Walter, B. Ueber die lichtverzogernde Kraft geloster Salz- molekule u. ein Verfahren zur genaueren Bestimmung von Brechungsexponenten. Inaug. Diss. Jena, 1891. Zahn, G. H. Ueber die Vorgange an der Uebergangsstelle eines elektrischen Stromes zwischen Elektrolyten in verschie- den konzentrirten Losungen. Inaug. Diss. Strassburg, 1 892. Physiology — Non- Serials. 197 PHYSIOLOGY. NON-SERIALS. Pamphlets , 2 2d. Almkvist, A. Om Upptackten. af Blodomloppet, Y och VI Publicatioii Upsala, 1892. Danielsson, O. A. Om Upptackten af Blodomloppet, IV Publication Upsala, 1891. Haughton, S. The Principle of Least Action in Nature Illus¬ trated by Animal Mechanics. London, 1871. Hjarne, H. G. Om Upptackten af Blodomloppet, I. Publica¬ tion Upsala, 1889. Hyatt, A. The Larval Theory of the Origin of Cellular Tissue. Proc. Bost. Soc. Nat. Hist., vol. XXII, p. 262. - Abstract of Larval Theory of Origin of Tissue. • Amer. Jour. Sci., vol. XXXI, pp. 332-347. Morner, C. T. Undersokning af Proteinamnena i ogats Ljus- brytande Medier. Publication Upsala, 1892. Motta, E. A. Elementos de Histologia Geral e Histophysio- logia. Lisbon. Muller, J. W. Transfusion und Plethora. Christiania, 1875. Nordlung, G. A. Studier ofver Framre Bukvaggens Fascior och Aponevroser hos Menniskan. Publication Upsala, 1891. Hobinski, S. Zur Kenntniss der Augenlinse und deren Unter- suchungsmethoden. Berlin, 1883. Howell, G. A. On the Beneficent Distribution of the Sense of Pain. London, 1862. 198 Catalog. Trygger, E., and Falk, M. Om Upptackten af BlodomloppeL Publication Upsala, 1889. Wilder, B. G. Paronymy versus Heteronymy as Neuronymic Principles. Jour, of Nervous and Mental Disease, voL XII, pp. 1-21. STATISTICS. SERIALS. Albany [New York] Annual Report of Quartermaster General of State of N. Y. for year 1864. 28$ Budapest [Austria] Statistisches Bureau der Hauptstadt Budapest. (Fovaros Statisztikai Hivataland Kozlemenyei.) Vols. XXI-XXIV. + 24b Buenos Ayres [Argentine Republic] Annuaire Statistique de la Province de Buenos Aires. Annee 8. 27d Helsingfors [Finland] Finlands offiiciela Statistik. Aren, 1846-1865. 20c Madison [Wisconsin] Annual Report of the Commission¬ ers of Fisheries of State of Wis., 1877. 28$ • - Annual Report of Secretary of State of the state of Wisconsin, 1875-77. 28c - State Board of Charities and Reform. Annual Report, 1879-1880. 28c - Report of the State Board of Health, 1884, 1887. 28a ■ - Journal of House of Representatives, first session of the third Legislative Assembly of Wisconsin, 1841. 28e, St a t istics — Seria Is . 199 W. Nashville [Tennessee] State Board of Health. Bulletin, Yols. VI, VII, VIII, Nos. 1-4. 28c Home [Italy] Ministero di Agricultura, Industria e Com- "• J* 7‘ - M -■ v mercio. Relazione sul Servizio Minerario nel 1882. 15b Springfield [Illinois] Report of Railroad and Warehouse Commission for years 1872-1873. 28c Sidney [N. S. Wales] Melbourne Centennial International Exhibition, 1888. 15e N. S. Wales Mineral Court Catalogue of Exhibits. 15c Washington [D. C.] Treasury Department. Bureau of Statistics. Quarterly Report of Chief. 1875, No. 4. 1876. 28e - The French Universal Exhibition of 1867. - Report of Yellowstone National Park, 1877. - Report of London and Paris International tions of 1862 and 1867. - Special Report of Immigration, 1872. 29b 28a 28c 28a 28a - Annual Report of Board of Visitors to U. S. Mil¬ itary Academy for 1885. Finance Report. 1873, 1876. - Annual Report of Chief of Bureau . of Statistics for year 1876, pts. 1-2. - A Report of the Commercial Relations of the U. S. with Foreign Countries in 1875. - - Population and Resources of Alaska, 1881. - r- Report of Commissioner of Education for years 1871, 74, 75. 28b 28b Exhi- 28b 29b 28b 200 Catalog. Washington, [D. C.] — continued. Department of State. Message and Documents, 1867, 1869, 1876, 28b - Department of Interior. Ninth Census, Vols. I— III (with Compendium). 24c Tenth Census, Vols. I-IV, VI-XXII. 24cde Report of Commissioner of General Land Office, 1870-71. 28& - International Exhibit, 1876. Classification of the Collection to Illustrate the Animal Resources of U. S. 28d - U. S. Fish Commission. Report, 1881. 28d - U. S. Commission of Fish and Fisheries. The Fishery Industries of U. S., Section 1. His¬ tory of Aquatic Animals, Text. 28d - Smithsonian Institution. List of Correspondents, 1882; Corrected to Jan¬ uary, 1883. 28e NON-SERIALS. Pamphlets , 24 a. Bonsen, L. Schiffs- Tonnen- u. Personenfrequenz auf den atlantischen Ozean. Inaug. Diss. Kiel, 1890. Boothby, J. Statistical Sketch of South Australia. London,. 1876. 15e Coghlan, T. A. A Statistical Account the the Seven Colonies of Australia. Sidney, 1892. 24a Knauer, T. Untersuchung uber den Marktpreis des Heues u. dessen Verwendbarkeit zu landwirtschaftlichen Veran- schlagungen. Inaug. Diss. Jena, 1889. Napp, R. The Argentine Repbulic. Buenos Ayres. 1876. 27d Zoology— Serials. 201 Kussaka, J. F. Das japanische Geldwesen. Inaug. Diss. Jena, 1890. Pickard, J. L. Report of Common Schools of State of Wiscon¬ sin 1861. Madison, 1861. 26b Robinson, C. Official Catalogue of the Natural and Industrial Products of N. S. Wales. Sidney, 1876. 15e - New South Wales. Its Progress and Resources. Sidney, 1876. 15e - New South Wales, the Oldest and Richest of the Australian Colonies. Sidney, 1873. 15e Seelhorst, C. yon. Der Roggen als Wertmass fur landwirt- schaftliche Berechnungen. Inaug. Diss. Jena., 1888. Trader, E. Die Yolksdichtigkeit Niederschlesiens. Inaug. Diss. Kiel., 1888. Wells, W. Water Power of Maine. Augusta, 1869. ZOOLOGY. SERIALS. Amsterdam [Holland] Koninklijk Zoologisch Genootschap Natura Artis Magistra. Feest Nummer. Bijdragen tot de Dierkunde. 22c Breslau [Germany] Zeitschrift fur Entomologie. Neue Folge, Hefts 1-18 (1870-92) + Entomologische Miscellan. 22 Brussels [Belgium] Societe royale Malacologique de Bel¬ gique. Proces-Verbaux des Seances, Yols. XI, pts. 1-7 ; XII, 8-12; XIII, XIY, XY, 8-12; XVI- XIX, XX, 1-6. + Annales, Yols. XXI-XXV + 25a 22a 202 Catalog. Budapest [Hungary] Termeszetrajzi Fuzetek (A period¬ ical of zoology, botany, mineralogy and geology besides a review for abroad. ) Vol. XV (1892) Nos. 3, 4. + 19b Cambridge [Mass.] Nuttall Ornithological Club. Journal, Vol. 4, Jan. 1879. 22a Granville [Ohio] Journal of Comparative Neurology (Edited by C. L. Herrick, Granville, Ohio.) Vols. I, II pts. 1-3. 22a New York [N. Y. ] Am. Ornithologists Club. The Auk. 1889-92. Vols. VI-IX, parts 1-2. + 22a Philadelpaia [Penn.] Zoological Society. Annual Eeport. 1879-81, 83, 85-90. + 22b Zurich- Hottingen [Switzerland] International Entomolog¬ ical Society (Societas Entomologica. ) Jahrgang VIII, Nos. 3, 6. (1893.) + 31d NON-SERIALS. Pamphlets . 29c. Allen, J. A. The North American Species of the Genus Colaptes, considered with Special Reference to the Re¬ lationships of C. auratus and C. cafer. Amer. Museum of Nat. Hist., vol. IV, No. 1, pp. 21-44. Antipa, G. Die Lucernariden der Bremer Expedition nach Ostspitzenbergen im Jahre 1889. Inaug. Diss. Jena, 1891. Apstein, C. Ban und Function der Spinndrusen der Araneida. Inaug. Diss. Kiel, 1889. Averill, C. K. List of Birds Found in the Vicinity of Bridge¬ port, Conn. Bridgeport Sci. Soc. Baars, H. Les Peches de la Norwege. Paris, 1807. Zoology — Non- Serials. 203 Beyer, O. W. Der G-iftapparat v. Formica rufa, ein reducirtes Organ. Inaug. Diss. Jena, 1890. Billet, A. Contribution a l’Etude de la Morphologie et du Developpment des Bacteriacees. Bull. Scientifique de la France et de la Belgique, 1890. Bogert, A. Ueber die Dictyochiden insbesondere uber Dis- terphanus Speculum sowie Studien an Phseodarien. Inaug. Biss. Kiel, 1891. Bollman, C. H. and Evermann, B. W. Fishes from the Mo- nongahela River. Borckert, H. Anatomisch-physiologische Untersuchung der Haftscheibe v. Cyclopterus lumpus L. Inaug. Diss. Kiel, 1889. Borgert, H. Die Hautdrusen der Tracheaten. Inaug. Diss. Jena, 1891. Brauer, F. Offenes Schreiben als Antwort auf Herrn Baron Osten-Sacken’s “ Critical Review” Meiner Arbeit uber die Notacanthen. Bronn, Dr. H. G-. Klassen und Ordnungen des Thier-Reichs, Vol. V, Arthropoda. Leipzig and Heidelberg, 1874. 22e. Brooks, W. K. Note on the Ratio between Men and Women. Johns Hopkins University Circulars, vol, VII, No. 63, p. 30. Brown, N. C. A catalogue of the Birds Known to Occur in the Vicinity of Portland, Maine.. Proc. of Portland Soc. Nat. Hist., 1882. Claus, C. Zur Erwahrung der Ergebnisse meiner Untersuch- ungen uber Charybdea als abwehr gegen den Haeck- elismus. Cobb, N. A. Beitrage zur Anatomie u. Outogonie der Wema- toden. Inaug. Diss. Jena, 1888. 204 Catalog. Collett, R. Om 6 for Norges Fauna nye Fugle fundne i 1887- 1889. Christiania, 1890. - Rugekasser for vore nyttige Smaafugle, deres Indretning og Boboere. Christiania, 1870. Collin, A. Notiz uber Guatthostoma Hispidum Fedsch. aus dem Rinde. Zeitschrift fur Fleish-u. Milch-hygiene, 1893. - Ueber die Regen wurmer der Umgegend von Berlin. Na- turwissenschaftliche Wochenschrift, No. 43, p. 433. - Criodilus lacuum Hoffm. Inaug. Biss. Berlin, 1888. Conklin, W. A. Report of the Directors of the Central Park Menagerie for 1879. Coues, E. Abstract of the Results of a study of the Genera Geomys arid Thomomys. Dahl, F. Beitrage zur Kenntniss des Baues und der Func- tionen der Insektenbeine. Inaug. Diss. Kiel, 1884. Dimmock, A. K. Sexual Attractions in Prionus. Psyche, voL IV, No. 120, p. 160. Dreyer, F. Die Theorie der Biokrystallisation im Allgemeinen u._ die Skeletbildung der Polycystinen im Besonderem Inaug. Diss. Jena, 1890. Driesch, H. Tektonische Studien an Hydroid polypen. Die Campanulariden und Sertulariden. Inaug. Diss. Jena, 1889. Dubois, M. A. Note zur un Coccyzus tue en Belgique. Proc_ Academie Royal e de Belgique, vol. XXXIV, No. 1. - - Remarques Morphologiques sur les especes du sousgenre Xanthoura. Ibid., vol. XXXVIII, Nos. 9-10. Ehrenbaum, E. Untersuchungen uber die Struktur und Bildung der Schale der in der Kieler Bucht haufig Vorkommenden Muscheln. Inaug. Diss. Kiel, 1884. Elliott, H. W. Report of the Seal Islands of Alaska. Zoology — Non- Serials. 205 Evermann, B. W. The Wood Ibis in Indiana, The Auk, vol. VI, no. 2, pp. 186-187. - - Bird Migration. Popular Sci. Monthly, 1887, pp. 803- 810. - The Yellow-Billed Magpie. Amer. Naturalist, 1886, pp. 607-611. - Birds of Carroll County, Indiana. The Auk, Oct. 1888 and Jan. 1889. - and Fordice, M. W. List of Fishes Collected in Harvey and Cowley Counties, Kansas. Faxon, W. On Some Crustacean Deformities. Bull. Mus. Comparative Zoology, vol. VIII, no. 13, pp. 253-276, plates 1-2. - On Some young Stages in the Development of Hippa, Porcellana, and Pinnixa. Ibid, vol. V, no. 11, pp. 253-268, pi. 1-5. Fewkes, J. W. On the Development of Agalma. Ibid., vol. XI, no. 11, pp. 239-275, pi. 1-4. Forbes, S. A. An American Terrestrial Leech. Illinois State Laboratory of Natural History, 1890, pp. 119-122. - Studies on the Chinch Bug. Freese, W. Anatomisch-histologische Untersuchung v. Mem- branipora pilosa L. nebst einer Beschreibung der in der Ostsee gefundenen Bryozoen. Inaug. Diss. Kiel, 1888. Garman, H. Animals of the Waters of the Mississippi Bottoms near Quincy, Ill. Two copies. Garman, S. The Rattle of the Rattlesnake. Bull. Mus. Com¬ parative Zoology Harvard College, vol. XIII, no. 9, pp. 259-267, pis. 1 and 2. 206 Catalog. Grant, U. S. Conchological Notes. Fourteenth (1885) Annual Report of the Geol. and Nat. Hist. Survey of Min¬ nesota. - Notes on the Molluscan Fauna of Minnesota. Sixteenth (1887) Annual Report of the Geol. and Nat. History Survey of Minnesota. Grentzenberg, M. Die Spongienfauna der Ostsee. Inaug. Diss. Kiel, 1891. Gunther, A. A Guide to the Gould Collection of Humming Birds. British Museum of Nat. History, 19c. - Zoological Collections of H. M. S. Alert. Ibid. 19c. - Guide to the Gallery of Reptiles and Fishes; Shell and Starfish; Mammalia. Ibid. 19c. Hahn, E. Die Geographiscbe Verbreitung. der Coprophagen Lamellicornier. Inaug. Diss., 1887. Haseloff, B. Ueber den Krystallstiel der Muscheln nach Un- tersuchungen verschiedener Arten der Kieler Bucht„ Inaug. Diss. Kiel, 1888, Hemphill, H. Catalogue of North American Shells. Henshaw, S. List of the Coleoptera of America North of Mexico. Herbst, C. Anatomische Untersuchungen an Scutigera coleop¬ tera. Inaug. Diss. Jena, 1889. Hyatt, A. Revision of North American Poriferae with Re¬ marks upon Foreign Species, pts. 1-2. Memoirs Bost. Soc. Nat. Hist., vol. II, pt. 4. - Larval Theory of the Origin of Cellular Tissue. Proc. Bost. Soc. Nat. Hist., vol. XXXIII, pp. 45-163. Sponges Considered as a Distinct Sub-Kingdom of Ani¬ mals. Ibid., vol. XIX, pp. 12-17. Zoologij — Non- Serials. 207 - Genetic Relations of Stephanoceras. Ibid., vol. XVIII, pp. 380-401. - Values in Classification of the Stages of Growth and De¬ cline with Proposition for a New Nomenclature. Two Copies. Amer, Naturalist, 1888, pp. 872-884. - - Observations on Polyzoa, sub-order Phylactolsemata. - Genetic Relations of the Angulatidae. Proc. Bost. Soc. Nat. Hist., vol. XVII, pp. 15-33. Jacobi, R. Anatomisch-Histologische Untersuchung der Poly- doren der Kieler Bucht. Inaug. Diss. Kiel, 1883. Johannessen, Axal. Difteriens Forekomst i Norge. Chris¬ tiania Videnskabs-Selskabs Forhandlinger, 1888, No. 1. 22c. Jordan, D. S. Contributions to North American Icthyology, No. 1. Bull. U. S. National Museum, 1877. Juel, H. O. Beitrage zur Anatomie der Trematodengattung apoblema (Dujard). Upsala, 1889. Jurinae, A. E. Ein Beitrag zur Kenntniss der Fauna des Kroatischen Karstes u. seiner unterirdischen Hohlen. Inaug. Diss. Jena, 1888. Kingsley, J. S. Carcinological Notes. Bull. Essex Institute, vol. XIV, p. 105. - Some Points in the Development of Molgula Manhat- tanensis. Boston Soc. of Nat. Hist., vol. XXI, pp. 441-451. - Problems for Zoologists. Amer. Naturalist, 1882, pp. 389-391. Klotz, J. Beitrag zur Entwickelungageschichte u. Anatomie des Geschlechtsapparates v. Lymnaens. Inaug. Diss. Jena, 18881 203 Catalog. Koehler, R. Contribution a l’Etude des Enteropnenstes. Communiques a la Societe des Sciences de Nancy, 1886, pp. 139-190, plates 1-6. Kukenthal, W. Ueber das Nervensystem der Opheliaceen. Jena, 1887. Kunz, G. F. The Lower Forms of Life Dredged by the Talis¬ man. Science, 1884, p. 171. Langhofer, A. Beitrage zur Kenntniss der Mundtheile der Dipteren. Inaug. Diss. Jena, 1888. Lawrence, G. M. Birds of Southwestern Mexico Collected by Francis E. Sumichrast. Bull. No. 4, U. S. National Museum, 1875. Lehman, O. Beitrage zur Frage v. der Homologie der Segmen- talorgane u. Auffuhrgange der Geschlectsproducte bei den Oligochaeten. Inaug. Diss. Jena, 1887. Leichmann, G. Ueber die Brutpflege bei den Isopoden. Inaug. Diss. Konigsberg, 1891. Leon, U. Beitrage zur Kenntnis der Mundtheile der Hemip- teren. Inaug. Diss. Jena, 1887. Lohman, H. Die Unterfamilie der Halacaridse Murr. u. die Meeresnielben der Ostsee. Inaug. Diss. Jena, 1888. Loimberg, E. Anatomische Studien uber Skandinavische Cestoden. Inaug. Diss. Upsala, 1891. Macalister, A. An Introduction to Animal Morphology an. Systematic Zoology. London, 1876. 22. Malme, G. O. Studien uber das Gehirn der Knochenfisched Inaug. Diss. Stockholm, 1892. 22. Martin, H. N. A Correction of. Certain Statements published in the “Zoophilist,” also a Castigation and an Appeal. Zoology— Non- Ser ia Is. 209 Mann, W. Ueber Scoloplos Arminger O. F. Miller. — Beitrag zur Kenntniss der Anatomie u. Histologie der Anneliden. Inaug, Biss. Kiel, 1881. Meissner, M. Beitrage zur Ernahrungsphysiologie der Pro- tozoen. Inaug. Diss. Berlin, 1888. Mosely, H. W. On the Structure and Relations of the Alcyo- narian Helioptera caerulea with some account of the Anatomy of a Species of Sarcophyton. Kelson, Wm., and Taylor, John W. The Quarterly Journal of Conchology, Yol. I, 1874. 22c. Oestlund, O. W. Synopsis of the Aphididae of Minnesota. Bull. No. 4 of Geol. and Nat. Hist. Survey of Minnesota. Osborn, H. A Partial Catalogue of the Animals of Iowa. Osborn, H. F. and Wortman, J. L. Artionyx, a New Genus of Anclyopoda and Appendix. Bulletin of American Museum of Nat. Hist., Vol. Y. Peckham, G. W. and E. G. On the Genera of the Family Attidse. Trans. Wis. Acad. Sci. 1885, pp. 257, 335. Poppe, S. A. Die freilebenden Copepoden des Jadabusens. Abhandlungen des naturwissenschaftichen Vereins zu Bremen. Yol. IX, pp. 167-206. Rathbun, R. Descriptions of new Species of Parasitic Copepods Belonging to the Genera Trebius Perissopus, and Lernanthropus, Proc. U. S. National Museum, 1887, pp. 559-571, pis. 29-35. Reighard, J. On the Anatomy and Histology of Anlophorus Yagus. Proc. of Amer. Academy of Art and Science, vol. XX, pp. 88-106. Resler, A. The Blackburnian Warbler. Trans. Maryland Academy of Sciences, 1892, pp. 203-212. 210 Catalog. Ryder, J. A. On the Development of viviparous osseous Fishes and of the Atlantic Salmon. Proc. U. S. Nat. Museum, 1885, pp. 128-162, pis. 6-12. Sandberg, G-. Bemaerkningar til Wallmgrens tydning af Phalaena Noctura Obscura. Christiania, 1891. Sars, G. O. Oversigt af Norges Crustaceer med forelobige Bemaerkninger over de nye elier mindre bekjendte Arter. Christiania, 1890 - On Some Remarkable Forms of Animal Life from the Great Deeps of the Norwegian Coast. Christiania, 1872. 22c. - Carcinologiske Bidrag til Norges Fauna. 22e. - On some Freshwater Ostracoda and Copepoda raised from Dried Australian Mud. Christiania, 1889. - On a small Collection of Freshwater Entomostraca. Christiania, 1889. - Additional Notes on Australian Cladocera raised from dried Mud. Christiania, 1888. Sausure, M. H. Orthopteres. St. Petersburg, 1874. Sohoyen, W. M. Supplement til H. Siebke’s Emmeratio Insec- torium Norvegicorum. Christiania, 1889. - Bidrag til Kunas-Kaben om Norges Hemipter- og Orth- opter-Fauna. Christiania, 1889. Schroder, G. Anatomische-Histologische Untersuchung v. Nereis diversicolor, O. Fr. Mull. Inaug. Diss. Kiel, 1886. Severin, F. Untersuchung ueber das Mundepithel bei Sauge- thieren mit Bezug auf Yerhornung Regeneration u. Art der Nervenendigung. Inaug. Diss. Kiel, 1885. Schufeldt, R. W. The Osteology of Amia Calva. Zoology — Non- Serials. 211 Siebke, H. Enumeratio Insectorum Norwegicorum, Christi* ania, 1874. 22c. - Ibid., 1880. Smith, H. L. Report of the Committee on Oculars. Proc. of Amer. Soc. of Microscopists, 1884. Smitt, F. A. Kritisk Forteckning ofver de i Reksmuseum Befintliga Salmonider. 22- Stearns, R. E. C. Comments on Mr. Calkin's Marine Shells of Florida. Steen, J. Anatomisch-histologische Untersuchung v. Terebel- lides Stroeimi M. Sars. Inaug. Diss. Kiel, 1883. Stephens, G-. T. Report on the Progress of Zoology for the year 1870. Storch, W. ' Knochenuntersuchungen ausgefuhrt am Knochen- gerust eines Rindes. Inaug. Diss. Jena, 1889. Sumichrast, F. Coup d'Oeil sur la Distribution Geographique des Reptiles en Mexique. Sundberg, C. J. G-. Undersokningar ofver Mojligheten af Mikrobers Intrangande Genomden Oskadade Tarmslem hinnans Yta. Publication Upsala, 1892. Sye, C. G. Beitrage zur Anatomie u. Histologie v. Isera Marina. Inaug. Diss. Kiel, 1887. Theophiloff, S. Zur Phylogenie der Tunicaten, Eine Kritische Studie. Inaug. Diss. Jena, 1892. Tiedemann, F. Zur Kasuistik des primaren Gallenblasenkrebses. Inaug. Diss. Kiel', 1891. Trautzsch, H. Beitrag zur Kenntniss der Polynoiden v. Spitz- bergen. Inaug.. Diss. Jena, 1889. Vaniot, R. P. E. Mollusques Recueiliis au Sud d' Amiens, dans un Rayon de 2 lieues (1876-77). 76 Especes. ii — 15 Ap. 212 Catalog. Westhoff, Fr. Die Kafer Westfalens, Ilte Abtheilung Suppl. Yerh. Naturh. Yereins d. preuss. Rheinl. u. Westf. Jahrgang 38. Bonn, 1882. Worcester, G-. W. The Life History of Stentor Coeratens, or Blue Stentor. INDEX TO VOLUME IX. Page. Acknowledgment of brochures re¬ ceived at library . xxxii Adams, Charles Kendall, Notice of address of welcome by . iv Notice of election to active mem¬ bership . ix Adams, H. 0., Citjd on Taxation . 141 Additions to existing series of jour¬ nals in library . xxvi Agassiz, Alex., Notice of election to honorary membership . ix Bailey, L. H., Cited on Corex obesa, var minor . 234 — , Acknowledgments to . 235 Barnes, C. K., Notice of addre-sby.. i — , Acknowledgments to . 51, 235, 277 Title of paper by . viii — , Appointment as chairman of com¬ mittee to nominate officers . v — , Report as chairman of' committee on nomination ot officers . xi — , Resolution offered by . xi Bibliography of Geological Surveys in Wisconsin . 225 Birge, E. A., Notes on Cladocera, III. . 275 — , 1 itles of two papers by . viii — , Cit d on Cladocera . 190 — , Acknowledgments to . 189 — , Appointment as chairman of com¬ mittee of auditing and of new members . v — , Report of committee on revision of < onstitution . lxviii — , Report as chairman of auditing committee. . xiv Blaisdell, J. J., Some Suggestions Concerning Methods of PSj cholog- ical Study . 33 — , Title of paper by . x — , Notice of remarks eulogizing A. L. Chapin . x — , SK' tch of life of A. L. Chapin, D. D. lxxi — , Electio i as vice-president of de¬ partment of letters . i Blake, Wm. P., The progress of Geolog¬ ical Surveys in the State of Wis- con in — A Review and Bibliog- ra hy . 225 — , Title of two papers by . viii — , Notice of election to active mem¬ bership . ix Brown, E. A., Notice of election to act ve membership . ix Bryant, E E., Acknowledgments to.. 275 Buell, Ira M , Geology of the Water¬ loo Quartzite Area . 255 — , Title of paper by . viii — , Acknowledgments to . 51 — , No ice of election as curator of mu¬ seum . xi — , Repottas curator . lxiii — , Communication from . vi Bunops scutiprons, Birge, Structure and Affinities of . . 319 ii— 16 Ap. Page. Butler, J. D., Title of paper by . x — , Notice of remarks eulogizing P. R. Hoy . iv Calanidae (and Cyclopidse) of Central W sconsiu, by C. Dwight Marsh. .. 189 Case, H. E., Acknowledgments to . 51 Catalog of the Library of the Wis¬ consin Academy of Sciences, Arts, and Letters, by Wm. H. Hobbs, App. Central Wisconsin, Cyclopidae and Calanidae of . 189 Chamberlin, T. C. Cited on Geology of Wisconsin . 45 - — Wisconsin Lead Region . 239 - Waterloo Quartzite . 259, 261 — . Notice of election to honorary mem¬ bership . • . ix Chandler, C. H. Title of paper by . . . x Chapin, A. L Notice of decease of . .. iv — , Biographical sketch of . lxxi Chapman, C. H. Notice of election to active membership . ix T . .Q A pAnt.rihnfirm 1 r\ a O. ii UUHlllUUblUU bU LUC Flora of the Lake Superior Region 233 — and R. H. True. On the Flora of Madison and Vicinity; a Prelimi- „ nary Paper on the Flora of Dane County, Wisconsin . 45 — , Acknowledgments to . 275, App 4 — , Title of paper by . ii — , Notice of election to active member¬ ship . iii Cladocera, Notes on, III . 275 Comstock, G C. Report of Library Committee . xvi Contribution to the Flora of the lake Superior Region, by L. S. Cheney . 233 Corresponding societies, additions to the list of . xviii Coulter, John M. Cited on Ranun¬ culus Lapponicus . 234 —, Acknowledgments to . 235 Coulter, Stanley. Acknowledgments to . 51 Cragin, F. W. Cited on Copepoda. ..190, 221 Cushman, Miss S. E. Notice of elec¬ tion to active membership . iii Cyclopidae and Calanidae of Central Wisconsin, by C. Dwight Marsh. . . 189 Dane County, Flora of . 45 Davies, John E. On some Analogies between the Equations of Elas¬ ticity and Electro-magnetism . 3 Davis, J . J . A Supplementary List of Parasitic Fungi of Wisconsin . 153 — , Notice of election to active mem¬ bership . ix Desmond, H. J. Title of paper by . vii Dunning, Philo. Acknowledgments to . 275 214 Index. Page. .Elasticity, Some Analogies between Equations of, and Equations of Electro-magnetism, by John E. Davies . 3 Electro-Magnetism, Some Analogies between Equations of, and Equa¬ tions of Elasticity, by John E. Davies . 3 Ellis, J. B. Acknowledgments to — 154 Ely, R. T. Cited on Taxation . 139 — , Notice of election to active mem¬ bership . ix Farlow, W. G. Acknowledgments to . 154 Fisher, Elmon M. Cited on Ranun¬ culus Lcipponicus . 234 Flagg, Rufus C. Notice of Address of Welcome by . i — , Notice of election to active mem¬ bership . ■ . . iii Flora of lake Superior Region, a con¬ tribution to . 233 Flora of Madison and Vicinity, by L. S. Cheney and R. H. True . 45 Forbes, S. A. Cited on Copepoda. . .. 189 Four Lakes Region of Wisconsin, map of . 136 Fuller, N. S., Notice of election to active membership . iii Fungi of Wisconsin, supplementary list of parasitic, by J. J. Davis — 153 Garrett, A. H., Election to active membership . . iii Geological Surveys in Wisconsin ... 225 Geology of the Waterloo Quartzite Area, by Ira M. Buell . 255 Gifts of scientific papers to library by individuals . xxxi Hall, C. E.. Notice of election to act¬ ive membership . iii Hall, James, Cited on Wisconsin Geo¬ logical Surveys . . . 228 Haskins, C. H , Report for Committee on new members . ix — Report of auditing committee . x,xiv Hastings, S D., Report as treasurer . . xiii — Resolution offered by . vi — Report of committee on revision of constitution . lxviii Hendrickson, G. L., Title of paper by x Report of library committee . xvi — Acknowledgments to . App 1 Herrick, C. L , Cited on Copepoda. .190, 224 Hile, C. H , Title of paper by . vii Hillyer, H. W., Title of paper by. . . iii Hobbs, Wm. H , Notes on a Trip to the Lipari Islands in 1889. (With Plate I) . 21 — Report as secretary . . i — Report as librarian . . . xvii — Catalog of the Library of the Wis¬ consin Academy of Sciences, Arts, and Letters . App — Titles of papers by . iii, viii — Acknowledgments to.. . . 51,273 — Report of committee on revision of constitution . lxviii — Report of library committee: . xvi Hobson, Bernard, Acki owledgments to . 32 Hodge, C. F., Notice of election to cor¬ responding membership . ix Hodge, Willard, Notice of election to active membership . ix Hollister, A. H., Notice of election to active membership . iii Holton, Edward D., Notice of decease of . iv Holway, E W. D., Acknowledgments to . 153 Hoskins, L. M., Notice of election to Corresponding membership ..... ix Hoy, P. R., Notice of decease of _ iv -, Biographical sketch of . lxxv Hubbard, F. G., Noiice of election to active membership . ix Jackson, D. C., Notice of election to active membership . ix Kahlenberg, Louis, Notice of election to active membership . .... iii — Title of paper by . viii King, F. H , Title of paper by _ x Kinley, David, The Direction of Social Reform . 137 — Title of paper by . x — , Notice of election to active mem¬ bership . ix Kremers, Edward, Title of paper by . . x — , Acknowledgments to . 51 Lake Superior Region, A contribution to the Flora of . 233 Leverett, Frank, Notice of election to corresponding membership . ix Library of Wisconsin Academy, 'Cata- Lipari Islands, Notes on a trip to in 1889 . 21 List of corresponding societies, addi¬ tions to . xviii Litton, Robt. T., Notice of election to corresponding rnembe ship . ix Loomis. H. B , Title of paper by . fi Luther, Geo. E., Notice of election to corresponding membership . ix Madison and vicinity, Flora of . 45 Marong, Charles, Acknowledgments to. . 51 Marsh. C. Dwight, On the Cyclopidae and Calanidae of Central Wiscon¬ sin . 189 — , Acknowledgments to . 275 — , Appointment as chairman of com¬ mittee on new members . i McDougal. H. C., Notice of election to active membership . iii McMynn, John G , Sketch of life of P. R. Hoy, M. D . lxxv Merrill, Edw H , Notice of election to active membership . iii Merrill, Harriet Bell, On the Structure and Affinities of B unops scutifrons , Birge . 319 — , Title of pape^ by . x — , Acknowledgments to . 189 — , Notice of election to active mem¬ bership . ix Miller, W. S., Title of paper by . viii — , Notice of election to active mem¬ bership . ix Mills, Simeon, Title of paper by . vii Minutes of Ripon Field Meeting . i — , Twenty-third annual meeting . iv MOorehouse, G. W., Acknowledg¬ ments to . 51 — , Notice of election to active mem¬ bership . iii Index. 215 Page. Nader, John, Title of paper by . vii Newberry, J. S., Notice of decease of. iv Notes oh Cladocera, III, by E. A. Birge 275 Olsen, J. E., Acknowledgments to — App 4 Parasitic Funori of Wisconsin. Sup¬ plementary list of, by J. J. Davis. . 153 Parker, F. A , Notice of election to active membership . iii Parker, W. D., Notice of election to active membership . ix Peck, Chas. H.. Acknowledgments to. 154 Peckham, Geo W., Report of commit¬ tee on revision of constitution . . . ixviii Power, F. B., Resignation as vice-pres¬ ident and election as correspond¬ ing member . i Progress of geological surveys in the state of Wisconsin — a review and bibliography, by Wm.P. Blake 225 Psychological study, Methods of ... . 33 Quartzite area (Waterloo), Geology of . 255 Reinsch, Paul S., Title of paper by . . . x Report, of secretary . i — , — treasurer . xiii — , — auditing committee . xiv — , — library committee . xv — , — librarian . xvii — , — curator . lxiii — , — committee appointed to revise the constitution . lxv Richardson, H. S., Notice of e ection to active membership . . . iii Russell, H. L., Acknowledgments to. 51 Salisbury, R. D., Notice of e'ection to corresponding membership . ix Sanford, A. H , Title of paper by . vii — , Notice of election to ac.ive mem¬ bership . iii Scott, W. A., Title of paper by . x — , Notice of election to active mem¬ bership . ix Seymour, A. B., Acknowledgments to. 153 Sired, W G., Notice of election to act¬ ive mem oership . iii Skinner, E. B., Notice of election to active memoership . ix Page. Social Reform, Dfrc ction of, by David Kinley . 137 Stuart, James R., Notice of election. to active membership. . . iii Thwaites, Reuben G., Subject of ad¬ dress i y . iii — , Title of paper by . viii — , Made temporary chairman at Ripon meeting . i Tolman, A H., Title of paper by . iii Tolman, H. C , Title of paper bv . x Townley, S. D , Notice of election to corresponding membei ship . . ix — , Title of paper by . iii Tracy, Mrs. C. T , Notice of election to active membership . iii Trelease, Wm., Cited on parasitic fungi . 153 True, R. H., (and Cheney, L. S,), Ou the Flora of Madison and vicinity, a preliminary paper on the Flora of Dane county, Wisconsin . 45 — , Title or paper by . ii — , Acknowledgments to. . 235 — , Notice of election to active member¬ ship . iii Underwood, L. M., Acknowledgments to . 51, 235 Updike, E G., Notice of election to active membership . iii Van Cleef, F. L , Titles of two papers by . . - . x — , Acknowledgments to . App. 4 Van Hise, C. R., Cited on inclusions in quart z . 269, 270 — Acknowledgments to . 258 — , Notice of election as vice-president of department of sciences . xi Volcano, Eruption of, see Lipari Islands. Waterloo, Quartzite area, geology of . 255 Whitney, J. D., Cited on Lead Region Wisconsin, Supplementary list of para¬ sitic Fungi of . 153 — , Geological surveys in . ... 225 — , (Central), Cyclopidae and calanidae of . 189 Wood, F. F., Acknowledgments to... 233 TRANSACTIONS ••'A "A. ST 'SNA i- T ' ■ A ' C; S'. f A--. . A' S ■ T';V ,S;SS OF THE WISCONSIN ACADEMY OF SCIENCES, ARTS AND LETTERS EDITED BY THE SECRETARY VOL. IX, PART I 1892-93 PUBLISHED BY AUTHORITY OF LAW MADISON, WISCONSIN DEMOCRAT PRINTING COMPANY, STATE PRINTERS 1893 CONTENTS. rAWJ!,. On some Analogies between the Equations of Elasticity and Electro-Magnetism, by John E. Davies........ 3 Notes on a Trip to the Lipari Islands in 1889, by Wi, H. Hobbs. (With Plate I).. . . . 21 Some Suggestions Concerning Methods of Psychological Study, by J. J. Blaisdell . . . . . . . 33 On the Flora of Madison and Vicinity, a Preliminary Paper on the Flora of Dane County, Wisconsin, by * L. S. Cheney and R. H. True. (With Plate II). . . 45 The Direction of Social Reform, by David Kinley. ..... 137 A Supplementary List of Parasitic Fungi of Wisconsin, by J. J. Davis . . . . . . 153 Cyclopidae and Calanidae of Central Wisconsin, by C. Dwight Marsh. (With Plates ILL -VI) . 189 The Progress of G-eological Surveysdn the State of Wis¬ consin — A Review and Bibliography, by Wm. P. Blake ................... ... . ..... . ... . . . . . . . 225 A Contribution to the Flora of the Lake Superior Region, by L. S. Cheney . . . . . 233 In the second part of volume IX, which will be issued about Christmas, will be included the proceedings of the Ripon field meeting and the 23d annual meeting. In an appendix will be printed a catalog of the library. Volume title page and index will also be in¬ cluded. CONTENTS Page. Geology of the Waterloo Quartzite , Area ( with plates 1 VII-IX), by Ira M. Buell . ... .. . . . 255 Notes on Cladocera, III (with Plates X-XIII), by E. A. Birge . 275 On Bunops scutifrons , Birge, (with plates XIV-XV), by Harriet Bell Merrill.. . 318 Proceedings . i-lxix Report of the Secretary:— Minutes of the field meeting of 1892 . . . . . i Minutes of the 23d annual meeting . . . . iv Report of the Treasurer . . . . . xiii Report of the Auditing Committee . xiv Report of the Library Committee . . . . . . . xv Report of the Librarian . . xvii Report of the Custodian . . . . . . lxiii Report of the Committee on Revision of the Constitution. _ lxv In Memoriam: Aaron Lucius Chapin, D. D., LL., D., by J. J. Blaisdell _ lxxi Philo Romayne Hoy, M. D., by John G. McMynn . . . lxxv List of Officers and Members . . . . . . . . . . . lxix Appendix — Catalog of Library, by Wm. H. Hobbs . App. 1 Index . Appj. 213 Title page and table of contents of volume IX will be found at the end of this part. A i , ■ . .