RETURN TO LIBRARY OF MARINE BIOLOGICAL LABORATORY WOODS HOLE, MASS. LOANED BY AMERICAN MUSEUM OF NATURAL HISTORY O; i r^ m _D a a a m a o THE TERRESTRIAL AIR-BREATHING MOLLUSKS OF THE UNITED STATES, &c. CENTRAL PAFK NEW Y"RK. THE TERRESTRIAL AIR-BREATHING MOLLUSKS OF THE UNITED STATES, AND THE ADJACENT TERRITORIES OF NORTH AMERICA: DESCRIBED AND ILLUSTRATED BY AMOS BINNEY. EDITED BT AUGUSTUS A. GOULD. •« VOL. IH. PLATES. BOSTON: LITTLE, BROWN AND COMPANY. MDCCCLVII. CAMBRIDGE: PRINTED BY H. O. HOUGHTON AND COMPANY. PRELIMINARY REMARKS. IN November, 1834, Dr. Binney began read- ing, to the Boston Society of Natural History, a series of papers, entitled "A Monograph of the Helices inhabiting the United States," and published them in successive numbers of the Journal, dating from May, 1837, to April, 1843. These were illustrated by colored lithographic figures, in most instances representing both the animal and the shell. This attempt tended to show him how imperfect were the conceptions either he or any one else had formed of the extent and interest of this special fauna ; and led him. to conceive the design of remodelling the whole work, and of issuing it, at his own expense, as a contribution to science, with new illustrations, in a style which should not be sur- passed by any other publication. To obtain ample materials for fulfilling the project as he had designed it, he employed a collector for 6 PRELIMINARY REMARKS. two winters, who traversed Florida, Alabama, Tennessee, Arkansas, and Texas, and brought home many new species, of types imperfectly known. The first volume, containing the Anat- omy, Physiology, and General History of the Family, was then put in print ; still, new in- formation was constantly accumulating, and he resolved again to remodel it, adding also the Histology of the animals. He had not advanced far before his health began to fail him ; and he went to Europe, for the double purpose of invigoration and of super- intending the execution of the engravings which remained to be done. His death in Rome soon followed, (February, 1847 ;) and, as already stated in the first volume, he requested and provided that the work should be completed by some other hand. It was supposed that this task might be readily accomplished. But such was the dispersed state of the materials, and such a series of uncontrollable losses and mis- carriages by steam and flood and fire ensued, that it was not until 1851 that the volumes of text were completed ; and six years more have now elapsed in completing the volume of illus- trative plates. An irreparable loss was sustained PRELIMINARY REMARKS. 7 in the death of the artist Lawson, of Philadel- phia, who fully understood the views of the au- thor, and whose exquisite engravings are unsur- passed by any thing of the kind extant. The remaining plates were undertaken by Delarue, of Paris, who was almost equally skilled and successful. But he, too, died, and the work was continued by artists trained by him ; their suc- cess was but indifferent, and some of the plates are so poorly engraved and colored that they are admitted with great reluctance, and nothing but the dread of further delay has deterred from having them executed again. In justice to our- selves, we must say, that our intentions to have the work carried out as it was begun were most sincere, and our efforts to succeed have been most unwearied. For the serial irregularities in the numbering of the plates, and for erroneous references from the text to the figures, we must express extreme regret, but will attempt no apology. Meantime, new explorations have brought to light new species, and have, in many instances, induced modifications of the views expressed concerning species previously known. Espec- ially may this be said in relation to explorations 8 PRELIMINARY REMARKS. in the regions bordering on the Pacific. No extended rectifications, however, will be here attempted, as it is judged best that the work should represent, as it does, the state of knowl- edge at the time when it was written. And we leave it thus the less reluctantly, as we are happy to know that the tastes and purpose of the father have descended to the son, from whom we may hope to receive, in due time, a critical emendation and amplification of this Monograph, as the fruit of his exhaustive research in the same field of investigation. It has been thought proper, however, to insert in this volume the description of one species, which was accidentally omitted in its place ; and also to quote the descriptions of several other North American species, which have been re- cently published, so as to embody all the species at present known. Nearly all of them we have seen, and regard them as true species. EDITOR. BOSTON, Jan. 1857. DESCRIPTIONS OF ADDITIONAL SPECIES. HELIX BUCCULENTA, GoULD. PLATE XI a. T. subglobosa, vix perforata, concinne striata, luteo-cornea ; an- fractibus quinque rotundatis ; apertura sub-circulari ; peristomate albo reflexo ; palati interdum unidentati. SYXONYMS AND REFERENCES. H. Imcatlenta, GOULD, Proceed. Boston Soc..Nat. Hist. III. 40. June, 1848. DESCRIPTION. ANIMAL, not examined. SHELL. Globose-conic, more or less elevated, rather thin, shining, pale yellowish green, surface regularly and VOL. III. 2 10 HELICID^. delicately furrowed by the striae of growth. Whorls five or a little more, rounded, and separated by a well- impressed suture ; base convex ; aperture rounded ; peri- treme forming nearly two thirds of a circle, rather broadly reflexed, white, somewhat flesh-colored behind, not completely covering a small umbilical perforation. The palate sometimes bears a small white tooth at the middle, but oftener not. Diameter, three fifths of an inch ; axis, from three to five tenths of an inch. GEOGRAPHICAL DISTRIBUTION. The Southern States, from Georgia to Texas. REMARKS. This is a very neat shell, intermediate in its size and characters between H. tliyroidus and H. clausa. It is smaller than the former, and very often possesses a palatal tooth much like it. It is larger and darker colored than H. clausa, which never has a tooth in the aperture. It varies widely hi elevation, sometimes being as depressed as H. appressa, and sometimes as prominent as H. elevata. Notwithstanding there is a very close affinity of this shell with H. clausa , a name which it has usually borne with a query, I think its group of characters, with its sectional distribution, will entitle it to be regarded as a true species. The figure in Fe'russac, plate 50 a, fig. 7, is a good representation of it. HELIX. 1 1 HELIX DEVIA, GOULD. Testa orbiculatodepressa, oblique striata, dilute fusco-cornea, umbilieo modieo canaliculate perforate ; spira anfractibus sex con- vex!.*, ultimo ad peripheriam rotundato; apertura transversa, oblique lunata, ad anfractum penultimum unidentata, dente tri- gono ; labro albo, late reflex o, ad basim horizontal!, umbilicum aliquanto ambiente. SYNONYMS AND REFERENCES. H. devia, GOULD; Proc. Bost. Soc. Nat. Hist. II. 165. Aug. 1846; Mollusca of the Exploring Expedition, p. 69, fig. 74. PFEIFFER, Monog. Helic. I. 383. H. Baskervillei, PFEIF., Proc. Zool. Soc. 1849'. KEEVE, Conch. Icon, fig. 684. SHELL solid, depressed globose, pale yellowish horn color, or brown, with fine lines of growth. Whorls six, convex, suture well defined. Beneath slightly convex, and perforated by a moderate-sized umbilicus, which appears to have an obtuse channel revolving on the whorls within it. Periphery rounded. Aperture trans- verse, obliquely lunate ; lip white, or sometimes rufous, rather broadly reflected, horizontal at base, the inner edge dilated into an elongated, lamellar, white process, and abruptly turning up to form a short columella, where it dilates, and partly surrounds the umbilicus. Near the upper margin, and( on the penultimate whorl, is a white trigonal tooth. Diarn. f inch ; axis, ^ of an inch. Found at Puget's Sound, and in Oregon. 12 It has the form of H. Townsendiana, -without its in- dented surface. It also closely resembles the southern form of H. palliala, or still more, a small H. elevata. HELIX RAMENTOSA, GOULD. T. suborbicularis, depressa, tenuis, perforata, fulva fascia fusca albo-marginata ad peripheriam cincta, lineis incrementalibus et sulcis decussantibus pariter obliquis granulata ; anfr. 5£ convex- iusculis, ultimo obtuse augulato ; sutura valde impressa : apertura oblique; oblongo-ovata ; peritremate postic£ acuto, sensim versus umbilicum reflexo, albo ; fauce rufescente. SYNONYMS AND REFERENCES. Helix ramentosa, GOULD, Proc. Best. Soc. Nat. Hist. (Oct. 1856,) VI. 11. Axis, half an inch ; diameter, four fifths of an inch. Habitat, California. In the Cabinet of Dr. W. New- comb. Agrees well with H. zonata, Pfr., in which the um- bilicus is represented larger, and no allusion is made to the peculiar rasp-like decussation. HELIX ^ERUGINOSA, GOULD. Testa globoso-conica, solidula, umbilicata, indentata et minutis- gime granulata, coloribus rufo-olivaeeis et flavis variegata et fascia fusca cincta ; anfractibus septem convexis : apertura rotundato- ovata ; labro reflexo, incarnato ; fauce livida. SYNONYMS AND REFERENCES. Jltlix ceruginosa, GOULD, Proc. P>ost. Soc. Nat. Hist. (Feb. 1855,) V. 137. HELIX. 1 Q DIAM. If poll. ; axis, f to ^ poll. Brought from San Francisco by Dr. Bigelow and by Mr. Samuels. With the general form and coloring of H. Townsend- iana it has the aperture of H. tudiculata. The former has a different aperture, revolving striae, and is destitute of a band ; the latter is not umbilicated ; neither have a granulated surface. HELIX INFUMATA, GOULD Testa ruagna, discoidea, biconvexa, ad peripheriam obtuse cari- nata, late umbilicata, supra infumata et rugis minutis obliquis asperata, infra nigenima, nitida et minutissime granulata; anfract. 61 convexiusculis : apertura rhomboidea ; labro rufo, basi reflex- iusculo ; fauce sericea, lilacina, prope labrum fuscescente. SYNONYMS AND REFERENCES. Helix infumata, GOULD, Proc. Bost. Soc. Nat. Hist. (Feb. 1855,) V. 137. DIAM. l£ ; axis, f poll. Brought from San Francisco by Dr. Bigelow. It has the form and color of H. plicata, Born, without its complicated aperture. It might, at first, be mistaken for H. Nuttalliana,) but is distinguished by its lenticular form, smoky black color, and its peculiar rasp-like granu- lated surface. HELIX OREGONENSIS, LEA. Testa subcarinata, tennis, Ircvis, rufb-fusca, ad carinam bifas- ciata, superne subconvexa, interne subiuflata, 14 HELICIDJS. SYNONYMS AND REFERENCES. //. Oref/onensis, LEA, Trans. Amer. Philos. Soc. VI. 100, read July, 1837 : PFEIFFER, Monog. Helic. II. 339. Obs. on Genus Unio, etc. II. 100, pi. 23, f. 85. THE above description is confessedly defective, as the specimens described were immature ; but they were evi- dently, on comparison, the young of the following, the description of which fully represents the species. The two should therefore be united, with the prior name, H. Dupetithouarsii, Desh. Testa umbilicata, orbiculato-convexa, laevigata vel substriata, saturate castanea, superne pallidior, nigrescenti-rufo cingulata ; spira conoideo-obtusa ; anfr. 7-8 angusti, convexiusculi, ultimus in flatus ; apertura ovato-semilunaris, intus alba, fasciata ; peris- toma simplex, brevissirn^ reflexum, margine columellari arcuato, superue dilatato-reflexo, umbilicum mediocrem non occultante. SYNONYMS AND REFERENCES. Helix Dupetithouarsii, DESHAYES, Revue Zool. 1839, p. 360. GUERIN, Mng. 1841, tab. 30. CHEMN., 2cl ed. 319, tab. 56, f. 3-5. PFEIFFER, Monog. Helic. I. 338. DIAM. maj. 29, min. 25 ; alt, 17 mill. Inhabits California and Oregon. HELIX AREOLATA, SOWERBY. T. perforata, orbiculato-conoidea, striata, nitidula, alba, lineis fuscis interruptis vari£ ornata ; spira depresso-conoidea ; anfractus HELIX. 15 quinque convexiusculi, ultimus vix descendens, basi parum con- vexus ; apertura rotundato-lunaris, intus fuscescens ; peristoma acutum, intus sublabiatum, margine eolumellari breviter arcuato, unidentato, dilitato, reflexo, perforationem fer£ tegente. SYNONYMS AND KEFEKENCES. Helix areolata, SOWERRY, Brit. Mus. PFEIF. in Zeitschr. f. Malak. 1845, p. 154; Mouog. Helic. I. 152. PHILIPPI, Icon. II. 15, tab. 9, f. 4. CHEMN., ed. 2, No. 226, tab. 36, f. 10-13. DIAM. maj. 26, min. 23 ; alt. 18 mill. Hal. In Oregon and California. HELIX PANDORAS, FORBES. H. testa obtecte perforata, depresso-globosfi, tenui, rugulosa, concentrice minutissim£ striata, anfractibus (5) supra periphe- riam fuscis (vel violaceis) infra et prope peripheriam albidis fusco cingulatii basi albidis ; apertura rotuudatfi intus fusca albido fas- ciata, margine interne incrassato, albo ; peristoniate reflexiusculo, extus albo-labiato, margine eolumellari dilatato, reflexo, umbili- cum occultante. SYNONYMS AND REFERENCES. H. Pandoras, FORBES, Proc. Zool. Soc. 1850, p. 55, pi. 9, fig. 3 a, b. //. damascenus, GOULD, Proc. Bost. Soc. Nat. Hist. Oct. 1856, VI. 11. DIAM. max. 17, min. 16 ; alt. 14 mill. Forbes gives the " Vicinity of the Straits of Juan del 16 HELICID^!. Fuaco " as the habitat, though he previously says that the box was labelled " Santa Barbara." The specimens I saw from the collection of Dr. Newcomb came from the " desert region east of California ; " so that I have no doubt the southern locality is the true one. My specimens were larger than those given above, and were in many respects like H. alauda ; and I unfortunately described them before noticing the Zoological Pro- ceedings. HELIX EXIGUA, STIMPSON. Testa minuta, discoidea, pellucida, corneo-viridescens, supra convexiuscula, infra concava ; anfrac. 3^ convexis, spiraliter striatis, et [apice excluso] costis longitudinalibus reniotis strias incrcmenti oblique decussantibus instructis ; anfractu ultimo ro- tundato ; sutura impressa ; umbilico lato : apertura rotundata ; labro siinplici. SYNONYMS AND REFERENCES. Helix exiyua, STIMPSON, Proc. Bost. Soc. Nat. Hist. III. 175, Jan. 1850. DlAM. .078 poll. Hob. Massachusetts, prope Bostoniae. Young specimens of H. striatella, which it much re- sembles, have nearly one whorl less, want the revolving lines, and have the whorls somewhat angular instead of rounded. Usually found under dead leaves, in low, moist places. HELIX. 17 HELIX HINDSI, PFEIFFER. Testa anguste umbilicata, depressa, subtiliter striata, eorneo- lutescens, diapliana, nitida ; spira parum elevata ; anfractus quin- que planiusculi, ultinius basi convexior ; antice superne deflexus, subtus constrictus ; umbilicus pervius ; apertura perobliqua, luua- ris, ringens ; peristoma breviter reflexum, marginibus conniven- libus, callo triaiigulari, deutiformi, bicruri junctis, dextro lamella subverticali, basali dentibus 2 acutis niunito. SYNONYMS AND REFERENCES. H. Bindsi, PFEIF. in Proc. Zool. Soc. 1845, p. 132; Monog. Helic. I. 410. CHEMN., 2d ed. No. 386, tab. 65, f. 7, 8. DIAM. maj. 8, min. 7 ; alt. 4-j mill. Inhabits Mexico and Texas. Obs. Dentram formatione persimilis H. ventrosulge ; difFert magnitudine, umbilico regulari, pervio, anfracti- bus arctioribus, ultimo minus inflate, baud gibbo, etc. HELIX HOPETONENSIS, SHUTTLEWORTH. Testa anguste et vix pervie unibilicata, depresso-globosa, con- fertim costulato-striata, olivaceo-cornea, lardeo-nitens ; spira ob- tusa, convexa ; anfr. 5^ convexiusculi, tiltimus antic^ vix deflec- tus, ad aperturam constrictus ; apertura lunaris, tridentata ; dente mediocri linguiformi in parieti aperturali paululum intrante ; perist. reflexuni, iutus ctillo albo tenui labiatum, margine dextro dente parvo paululum inimerso, basali dente marginali niunito. VOL. III. 3 18 HELICID^E. SYNONYMS AND REFERENCES. Helix tridentata, var. BINN. in Bost. Journ. III. p. 382, tab. 18, f. 2. FERUSSAC, Hist. tab. 51, f. 3, parva ad sinistram. DIAM. maj. 13, min. 11 ; alt. 6 mill. Hob. Prope Hopeton, Georgia, copiosisshne. Obs. Differt ab H. fallaci, umbilico angustiori vix pervio, colore saturation, peristomate minus incrassato et dentibus inter se magis remotis. Hue forsan pertinet figura Cheinn., ed. 2, t. 64, f. 7-9 ad fallacem laudata. Variat quoad diniensiones ; speciinina duplo fere niinora occurrunt. HELIX RUGEL.I, SHUTTLEWORTH. Testa obtecte perforata, orbiculato-convexa, granulato-striata, parce setosa, corneo-cerea ; spira brevis, obtusa ; anfr. 5|-, con- vexiusculi, ultimus antice subito deflexus, ad aperturam valde constrictus ; apertura depressa, dente valido liuguifornri flexuoso in pariele aperturali intrante coarctata ; perist. reflexuin, intus callosum, margine dextro dente maguo obtuso profunde immerso extus scrobiculato, basali dente minore transverso submargiuali instructo. DIAM. maj. 13, min. HA ; alt. 6| mill. Hob. In Tennessee, (Rugel.) Obs. Specimina plurima vidi. Variat in inagnitu- dine, sed semper major quam H. inflecta Say, cui max- ime affinis ; diflfert insuper dente parietali niagis evoluto HELIX. 1 9 et angulatiin flexuoso, et dente supero marginis clextri peristomatis crasso et valcle immerso. HELIX MORDAX, SHUTTLEWORTH. i Testa late et perspective umbilicata, depressa, sublenticularis, carinata, tennis, luteo-cornea, strigis rufis interruptis fasciatiin orriata, costis validis flexuosis remotis utrinque exiinie asperata ; anfr. 5j, plani ; apertura perobliqua, angulatim lunari-ovalis ; perist. simplex, acutum. DIAM. maj. 18, min. 16 ; alt. 6 mill. Hob. in mont. Carolinae Septent. ; specimina ultra 12 legit Rugel. Diam. maj. 7^-, min. 6^ ; alt. 3 mill. Obs. H. alternates valde affinis, seel costis validiori- bus, ad 1 mill, inter se remotis, distincta. H. Cumber- landiana, Lea, (forsan mere forma monstruosa) quacum carina congruit, difFert (ex icone) teste tantum tenuiter striata nee costata. ZONITES PLACENTULA, SHUTTLEWORTH. Testa aperte umbilicata, clepressissima, arctispira, nitidissima, striis distantibus irregularibus impressis notata, cornea, diaphana, subtus concolor ; anfr. 7, lentissime accrescentes, vix convexius- culi, ultimus subtus convexus, ad umbilicuin subexcavatus ; aper- tura obliqua, lunaris ; peristoma simplex, acutum. nab. in Tennessee, Amer. Sept., specimina pauca legit Rugel. 20 Obs. Z. demissa, Binn. affinis, sed testa depressiore, umbilico latiore, et prsesertim absentia calli albi opaci in fundo anfractus ultimi distinctissima. ZONITES MACILENTA, SnuTTLEWORTH, Testa late et perspective umbilicata, depressa, arctispira, cor- neo-flavescens, dlaplmna, superne striata vix nitida, subtus Ix- viuscula, nitida, concolor ; spira depressissime rotundata, obtusa ; anfr. 8 lentissime accrescentes, subconvexi, ultiinus in fundo eallo albo subdentiformi profunde intrante praeditus ; apertura lunari- semicircularis ; perist. simplex, acutum. DIAM. niaj. 8, min. 7£ ; alt. 3 mill. Hob. in Tennessee oriental!, semel legit Rugel. 06s. Species instructiva, forma cohortem " Patula " Held, callo dentiformi " Gastrodonta " Albers (H. sup- pressa, Say, etc.) testae textura autern Zonitis sectioneni " Hyalina Fer." referens. HELIX UVULIFERA, SHUTTLEWOETH. Testa rimato-perforata, superne planiusoula, subtus iuflata, striata, cinereo-albida, solidula, nitidula ; anfr. 5, lente accrescen- tes, angusti, ultimus ad aperturam subito deflexus, subtus devius, scrobiculato-constrictus ; apertura valde obliqua, auriformis, rin- gens, valde coarctata ; perist. acutum, reflexo-patulum, marginibus plica linguiformi oblonga medio excavata profunde intrante junc- tis, dcxtro lamella profunde iinniersa in apicula filiform! reflexa desinente, basali tuberculo dentiformi obliquo et sinuoso instructo. HELIX. 21 DIAM. maj. 12, min. 11 ; alt. 7 mill. Hal). In Insulis parvis " Long Keys," sinu dicto " Sarazota " Florida Austr. (Rugel.) Obs. Specimina numerosissima examinavi. Proxime H. auriculatse affinis, sed textura, colore, ac apertura minus coarctata, peristoinateque minus producto satis distincta. H. Ariadne Pfr. in Chemn. ed. 2, tab. 65, f. 29-31, etiam affinis, at differt figura testae tantum rimata sine vestigio perforationis. Nonien specificum ab apicula lamellae marginis dextri peristomatis, uvulae humanse hand dissiniili, assumptum, sed character hie in omnibus speciebus affinibus plus minusve obvius est. The preceding six species were described in a series of pamphlets, entitled " Diagnosen neuer Mollusken." These are found in No. 2. HELIX BARBIGERA, REDFIELD, Testa imperforata, acute carinata, lenticular!, tenuiscula, corneo- fusca, epidermide superne striis asperata, quse ad suturam et cari- nam in ciliis products sunt ; basi convexa ; spira convexinscula ; anfractibus 5^, subplanis, ultimo subit6 paululum deflexo ; aper- tura perobliqua, transversa, auriformi, dente modico linguiformi oblique intrante in toto pariete aperturali coarctata ; peristomate calloso, marginibus incrassatis et reflexiusculis, basali subsinuato, integro. SHELL imperforate, sharply carinate, rather thin, dark horn-colored or brown ; the upper surface has the epi- 22 HELICIP.T;. derails raised into acute stride, which at the suture and carina are produced into short cilia or bristles ; these epidermidal striae are sometimes seen beneath, but less distinctly, being often obsolete in the mature shell ; basal surface convex, but indented in the umbilical region ; spire slightly convex ; whorls five and a half, rather flat, last one suddenly but slightly deflected ; aperture very oblique, transverse, ear-shaped, narrowed by a rather slender, tongue-shaped tooth, which extends nearly across the whole width of the aperture ; peristome callous, margins slightly but distinctly reflected, and thickened within, basal margin slightly arcuate, but entire. Diam. maj. 10 mill. ; diam. min. 9 mill. ; alt. 6 mill. Habitat. Habersham County, Georgia, where it was collected by Bishop Elliott. Northwestern Georgia, Mr. Pierce. REMARKS. Smaller and more delicate than H. spi- nosa ; striae more numerous, thickly set with fine cilise, which project at the periphery in a fine fringe, and not like short triangular aculei, as in Spinosa. The umbi- lical region is less depressed, the parietal tooth much more delicate, and does not overlap the lip, which stands off from the shell, and is not appressed to it. H. Ed- gariana is much more solid and elevated, has the parie- tal tooth more developed, the outer lip notched, as in H. hirsuta, but has about the same diameter. HELIX. 23 HELIX ELLIOTTI, REDFIELD. Testa angust6 umbilicata, orbiculato-depressa, striattila, virente- cornea, subdiapkana, subtus nitida ; spira convexa, paruru elata ; anfractibus quinque, convexiusculis, ultimo vix depresso ; sutura irnpressa ; apertura obliqua, lunato-circulari ; peristomate sinuato, acuto, intiis incrassato. SHELL with rather a narrow umbilicus, depressed- orbiculate, with fine transverse striae, greenish horn- colored, hardly translucent, shining beneath ; spire con- vex but not much raised : whorls five, rather convex, last one sometimes very slightly depressed at the aper- ture ; suture deeply impressed ; aperture very oblique, lunate-circular, peristome a little sinuate, acute, but thickened within. Diam. rnaj. 9 mill. ; diam. mm. 8 mill. ; alt. 4 mill, Habitat. Mountains of Georgia and North Carolina, where it was collected by Bishop Elliott in great abun- dance, under the bark of decayed stumps and logs. REMARKS. It is larger and more solid than H. arbo- rea, with a less spreading umbilicus and more oblique aperture. In general form, it is more like a large H. indentata. It also has relations to H. placentula, but has fewer whorls. It may be most readily recognized by its transverse aperture, and thickened, somewhat sinuous lip. INDEX TO PLATES. PLATE I. HELIX MAJOR Binney, p. 96. PLATE II. HELIX ALBOLABRIS Say, with the animal. Lingual teeth, p. 102. The arrow indicates the central range ; a, the lateral portion, the continuation of which is placed above ; b, a longitudinal series of hooks, showing their in- clination forwards, p. 99. n-t \. I .-? PLATE III. HELIX MULTILINEATA Say, with the animal, p. 103. PLATE IV. HELIX CLAUSA Say. Hypopus concolor, Haldeman, the minute acaridian which infests the animal of this and other species, p. 107. PLATE V. HKLIX COLUMBIANA Lea, p. 169. VOL. III. 4 26 INDEX TO PLATES. PLATE VI. Fig. 1. HELIX NICKLINIANA Lea. H. Calif orniensis, Reeve, Conch. Icon. f. 661. The centre figure is regarded as a variety, but may be a distinct species, p. 119. Fig. 2. HELIX CALIFORNIENSIS Lea. If. vincta, Valenc. Voyage de la Venus, pi. 1, fig. 2. Reeve, Conch. Icon. fig. 660. p. 121. PLATE VI a. HELIX NICKLINIANA Lea, full-sized specimens, p. 119. PLATE VII. HELIX PENNSYLVANIA Green, p. 105. PLATE VIII. HELIX HORTENSIS M ii 1 1 e r , represents the plain, un- banded variety, (Jf. sub-globosa, Binney.) To the cis- Atlantic localities I am able to add " head of St. George's Bay, Newfoundland," whence I have received four diffei'- ently banded varieties, (1854.) p. 111. PLATE IX. HELIX ELEVATA Say, p. 126. PLATE X. HELIX EXOLETA S a y , p. 131. Lingual booklets, p. 200. PLATE XI. HELIX THYROIUUS, Say, p. 129. Lingual booklets, p. 131. INDEX TO PLATES. 27 PLATE XI a. HELIX BUCCULENTA Gould. By some unfortunate arrangement of the copy, the de- scription of this species was wholly omitted in the text. It is incidentally alluded to on pages 91 and 109. The omis- sion may be partly remedied by the insertion of the descrip- tion here. See page 9. PLATE XII. HELIX DENTIFERA Binney, p. 134. PLATE XIII. HELIX APPRESSA Say, p. 140. PLATE XIII a. HELIX DIVESTA Gould. This species appears in the text, under the name of H. abjecta, which name had been previously employed by Lowe (Fauna Maderensis) for a Madeira shell. The above name is therefore substituted. On page 135, at the bottom, for abjecta read divesta. p. 122. V^\-TU^etA*VvYi' PLATE XIV. HELIX PALLIATA Say, with the animal. The lingual booklets following the description, page 139, are those of Tebennophorus Carolinensis. p. 136. PLATE XV. HELIX PALLIATA Say, the carinate variety, ( Caracolla helicoides, Lea.) p. 138. 28 INDEX TO PLATES. PLATE XVI. vte yvi«- HELIX TUDICULATA Binney, p. 117. PLATE XVII. Fig. 1. HELIX PULCHELLA Miiller, p. 175. Lin- gual booklets, p. 209. Fig. 2. HELIX MINUSCULA Binney, p. 221. For PLATE XVH a, read PLATE XVII. Fig. 3. HELIX LABTRINTHICA Say, p. 202. Lingual booklets, p. 260. Fig. 4. HELIX CHERSINA Say, p. 243. PLATE XVIII. HELIX NUTTALLIANA Lea, p. 159. PLATE XIX. HELIX TOWNSENDIANA Lea, p. 161. PLATE XX. HELIX VANCOUVERENSIS Lea, p. 166. PLATE XXI. HELIX CONCAVA Say, p. 163. PLATE XXII. HELIX PROFUNDA Say, p. 177. Lingual booklets, p. 179. INDEX TO PLATES. 29 PLATE XXII a. Fig. 1. HELIX SPORTELLA Gould, p. 211. Fig. 2. HELIX LUCIDA Drap. p. 233. Found also on the banks of the Mohawk, and near Col- umbus, Ohio, by Mr. J. Bartlett. Fig. 3. HELIX EGENA Say, p. 245. The lingual booklets placed after the description, p. 246, are unknown. PLATE XXIII. HELIX SAYI Binney, p. 180. PLATE XXIV. HELIX SOLITARIA Say, p. 208. The lingual booklets at the end of the description, p 209, are those of H. pulchella. -\ . rVy -«.V»MS. * TV*. ' ' •>3 ^ (vwvjv- ., i \' v— v\>»-v- vy)(x\\ PLATE XXV. HELIX ALTERNATA Say, p. 212. Lingual booklets, p. 215. PLATE XXVI. HELIX CUMBERLANDIANA Lea, p. 216. PLATE XXVI a. HELIX STRIGOSA Gould, p. 210. PLATE XXVII. HELIX TRIDENTATA Say. The vertical series repre- 30 INDEX TO PLATES. sents specimens from the Western States ; the lateral figures represent New England forms. The lingual booklets are represented after the description, page 185. p. 183. PLATE XXVIII. HELIX TRIDENTATA Say. This plate represents the form called by Mr. Say Helix fallax. p. 183. PLATE XXIX. Fig. 1. HELIX ELECTRINA Gould, p. 236. Fig. 2. HELIX INDENTATA Say, p. 242. Fig. 3. HELIX ARBOREA Say, p. 235. Fig. 4. HELIX CELLARIA Mil Her, p. 230. PLATE XXIX a. Fig. 1. HELIX CAPSELLA Gould, p. 239. Fig. 2. HELIX LORICATA Gould, p. 145. Fig. 3. HELIX OTTONIS Pfeiffer, p. 238. Fig. 4. HELIX SAXICOLA Pfeiffer, p. 174. PLATE XXX. Fig. 1. HELIX PERSPECTIVA Say, p. 256. Fig. 2. HELIX STRIATELLA Anthony, p. 217. Fig. 3. HELIX LIMATULA B i n n e y . Lingual booklets, after the description undetermined, p. 219. Fig. 4. HELIX INTERNA Say, p. 247. PLATE XXXI. HELIX FULIGINOSA Say, p. 222. INDEX TO PLATES. 31 PLATE XXXII. HELIX LUCUBRATA Say. Reeve seems to have taken this for H. fuliginosa. Conch. Iconica, fig. 675. p. 225. PLATE XXXIII. HELIX SUBPLANA Binney, p. 229. PLATE XXXIV. HELIX INORNATA Say. Lingual booklets, after the description undetermined, p. 227. PLATE XXXV. HELIX LIGERA Say. Lingual booklets appended are unknown, p. 204. PLATE XXXVI. HELIX INTERTEXTA Binney, p. 206. PLATE XXXVII. Fig. 1. HELIX SUPPRESSA Say, p. 253. Fig. 2. HELIX LASMODON Phillips. Accompanying lingual booklets undetermined, p. 254. Fig. 3. HELIX GULARIS Say, small variety, p. 250. Fig. 4. HELIX GULARIS Say, large typical form, p. 250. PLATE XXXVIII. HELIX SEPTEMVOLVA Say. The vertical series repre- sents the typical form. The lateral figures represent the 32 INDEX TO PLATES. small variety. A lamellar fold, beginning about one fourth of a volution within the aperture, and running somewhat obliquely about half a volution along the columellar side, has not hitherto been specified in descriptions, though it has been noticed by several observers ; and distinguishes this shell from H. paludosa, and other West Indian species, p. 196. PLATE XXXIX. Fi"-. 1. HELIX SEPTEMVOLVA Say. The small con- O * vex variety, p. 198. Fig. 2. HELIX PLICATA Say, (should be H. fatiyiata Say,)°p. 193. Fig. 3. HELIX PUSTULA Say, p. 201. Fig. 4. HELIX FATIGIATA Say. The large, flattened, carinated variety, p. 195. PLATE XL. Fi"1. 1. HELIX AUKICULATA Say. The mature shell. O " •* p. 186. Fig. 2. HELIX AUKICULATA Say. The young shell, described by Say under the name of Helix avara. Lin- gual booklets, p. 189. PLATE XL a. Fi°-. 1. HELIX LEPORINA Gould. The annexed cut O of lingual booklets is that of H. exoleta. p. 199. Fig. 2. HELIX MAXILLATA Gould, p. 157. Fig. 3. HELIX GEKMANA Gould, p. 156. Fig. 4. HELIX VULTU'OSA Gould, p. 189. • PLATE XLI. HELIX MONODON Rackett. The upper series of INDEX TO PLATES. 33 figures, with the closed umbilicus, represents the variety separated by Mr. Say, under the name of H.fraterna. The second series represents the H. Leai, Ward MS. The third and fourth represent different sizes of the typical form. p. 147. PLATE XLII. Fig. 1. HELIX DEMISSA Binney, p. 232. Fig. 2. HELIX MOBILIANA Lea, p. 172. Fig. 3. HELIX HIRSUTA Say. Small, subglobular form. p. 150. Fig. 4. HELIX HIRSUTA Say. Large, discoidal form. Lingual booklets, p. 152. PLATE XLIH. HELIX BUFFONIANA Pfeiffer. This plate was un- fortunately lettered " Helix aspersa," before it was discov- ered to be different from that shell, p. 115. PLATE XLIV. Fig. 1. HELIX SPINOSA Lea, p. 153. Fig. 2. HELIX EDGARIANA Lea, p. 155. PLATE XLV. Fig. l. HELIX TEXASIANA Moricand,p. 191. Fig. 2. HELIX INFLECTA Say, (lettered fig. 3, in text,) p. 143. Fig. 3. HELIX INFLECTA Say. Regarded as the young of fig. 2. Probably H. triodonta, Jan. PLATE XL VI. HELIX POLYCHROA Binney, (erroneously lettered VOL. III. 5 34 INDEX TO PLATES. " H. rhodocheila " on the plate.) Varieties £, ??, &, i. p. 123. PLATE XL VII. HELIX POLYCHROA B i n n e y , (" H. rhodocheila," erro- neously.) Varieties, «, (9, y, d, e. p. 124. PLATE XLVIII. Fig. 1. HELIX LINEATA Say, p. 261 ; (in text, pi. 68.) Lingual booklets, p. 262. Fig. 2. HELIX SELENINA Gould, (in the text, pi. 29 a, f. 2,) p. 240. Since the printing of the text, a description of this shell by Dr. Binney, under the name of H. tenuistriata, has been discovered on the cover of the Boston Journal of Natural History, Vol. IV. No. 1, 1842. It appears also to be iden- tical with H. vortex Pfeiffer, (1839,) of several West India Islands. Fig. 3. HELIX MULTIDENTATA Binney, (in text, pi. 68,) p. 258. The cut following the description represents the lingual booklets of H. labyrinthica. PLATE XLIX. HELIX BERLANDERIANA, Moricand, Figures 1, 2. Dr. Binney has indicated a shell under the name H. albo- lineata, which can be nothing else than a variety of this multiform species, p. 109. PLATE L. Fig. 1. BULIMUS DECOLLATUS Lin. p. 280. Fig. 2. BULIMUS SERPERASTRUS Say, p. 274. INDEX TO PLATES. 35 PLATE LI. Fig. 1. BULIMTJS DEALBATUS Say. The typical form, p. 276. Fig. 2. BULIMUS DEALBATUS. The variety described by Say as Bulimus alternatus, Say. p. 277. PLATE LI a. BULIMUS DEALBATUS Say. A thickened, elongated form from Texas, the Bulimus lactarius, Menke. p. 277. PLATE Lib. BULIMUS DEALBATUS Say. A heavy blanched shell, from Southern and Western Texas and New Mexico, appar- ently the same as Bulimus Scheidianus, Pfeiffer, p. 277. PLATE LII. Fig. 1. BULIMUS FALLAX Gould, p. 288. Fig. 2. PUPA MODICA Gould, p. 319. Fig. 3. BULIMUS HARPA Say, p. 290. Fig. 4. BULIMUS LUBRICUS Mil Her, p. 283. PLATE LIII. Fig. 1. BULIMUS EXIGUUS Say, p. 286. Fig. 2. ACHATINA PELLUCIDA Pfeiffer. Found liv- ing, by Mr. Bland, on dead leaves and sticks floating in brackish water, Island of St. Thomas. Fig. 3. ACHATINA GRACILLIMA Pfeiffer, p. 293. Fig. 4. BULIMUS SUBULA Pfeiffer, p. 285. 36 INDEX TO PLATES. PLATE LIV. BULIMUS ZEBRA M u 1 1 e r . Common forms, young and old. The large variety, with the animal, intended for PLATES LIL, LIIL, have been omitted, p. 271. PLATE LV. BULIMUS FASCIATUS Miiller. A solid, nearly color- less variety, described by Mr. Say as Achatina solida, young and old. p. 266. PLATE LVI. BULIMUS FASCIATUS. Varieties, p. 268. PLATE LVII. BULIMUS FASCIATUS. The variety described as Acha- ina crenata, by Swainson. p. 268. PLATE LVIII. BULIMUS VIRGULATUS Ferussac, p. 278. PLATE LIX. GLANDINA TRUNCATA Say, p. 301. With the animal. Extremity of the lingual organ, magnified, p. 297. A por- tion of the organ still more largely magnified, p. 303. PLATE LX. GLANDINA TRUNCATA Say. Ordinary forms, p. 301. INDEX TO PLATES. 37 PLATE LXL GLANDFNA TRUNCATA Say. Elongated varieties, p. 301. PLATE LXII. Fig. 1. GLANDINA VANUXEMENSIS Lea, p. 299. Fig. 2. GLANDINA TRUNCATA Say. Outline of a fusi- form variety, p. 301. PLATE LXII a. GLANDINA BTJLLATA Gould, p. 298. PLATE LXIII. Fig. 1. TEBENNOPHORUS CAROLINIENSIS Bosc, p. 20. Fig. 2. TEBENNOPHORUS CAROLINIENSIS. Convolutions of the surface. Lingual booklets, p. 139. Fig. 3. TEBENNOPHORUS DORSALIS Binney, p. 24. PLATE LXIV. Fig. 1. ARION HORTENSIS Ferussac, p. 27. Fig. 2. LIMAX AGRESTIS M tiller, p. 36. Fig. 3. LIMAX CAMPESTRIS Binney, p. 41. PLATE LXV. Fig. 1. LIMAX VARIEGATUS Draparnaud. The lateral figures represent the manner in which the eggs are strung together, p. 34. Fig. 2. ARION HORTENSIS Ferussac, young speci- mens, p. 27. 38 INDEX TO PLATES. PLATE LXVI. Fig. 1. LIMAX COLUMBIANUS Gould, p. 43. "With a front view of the head, the form of the calcareous element, and the anterior portion of the body when contracted. The wood-cut following the description represents the lingual booklets of Helicina orbiculata, p. 352. Fig. 2. ARION FOLIOLATUS Gould, with magnified patch of the foliated surface, p. 30. Yv. .T, U V. **\UL * i!U$*4>, t~f*»*4 U PLATE LXVII. VAGINULUS FLORIDANUS Binney,p. 17. PLATE LXVII a. Fig. 1. VITRINA PELLUCID A Miiller, ( V. limpida, Gould,) p. 55. Fig. 2. SUCCINEA CONCORDIALIS Gould, p. 82. Fig. 3. SUCCINEA OVALIS Gould, p. 78. Fig. 4. SUCCINEA NUTTALLIANA Lea, p. 81. PLATE LXVII b. Fig. 1. SUCCINEA CAJIPESTRIS Say, p. G7. Fig. 2. SUCCINEA OBLIQUA Say, p. 69. The variety described by Mr. Lea as Succinea Totteniana, page 72. Fig. 3. SUCCINEA OBLIQUA Say, p. 69. PLATE LXVII c. Fig. 1. SUCCINEA LUTEOLA Gould, p. 75. Fig. 2. SUCCINEA OREGONENSIS Lea, p. 77. Fig. 3. SUCCINEA AUREA Lea, p. 76. Fig. 4. SUCCINEA AVARA Say, p. 73. INDEX TO PLATES. 39 PLATE LXVIII. PUPA MARITIMA Pfeiffer, p. 316. (The plate is lettered " Pupa incana ; " see text, p. 313.) PLATE LXIX. Fig. 1. CYLINDRELLA PONTIFICA Gould, twice the natural size, p. 306. Fig. 2. CYLINDRELLA LACTARIA Gould, middle fig- ure ; the tip magnified, p. 309. Fig. 3. CYLINDRELLA JEJUNA Gould, central figure ; base magnified, p. 320. PLATE LXX. Fig. 1. PUPA RUPICOLA Say, p. 341. Wood-cut of apei'ture magnified, p. 342. Fig. 2. PUPA CONTRACTA Say, p. 324. Wood-cut of aperture magnified, p. 326. Fig. 3. PUPA BADIA Adams, p. 323. Wood-cut of aperture magnified, p. 324. Fig. 4. PUPA ARMIFERA Say, p. 320. Wood-cut of aperture magnified, p. 322. .PLATE LXXL Fig. 1. VERTIGO MILIUM Gould, p. 337. Wood-cut of aperture magnified, p. 338. Fig. 2. VERTIGO GOULDII B i n n e y , p. 332. Wood- cut of aperture magnified, p. 333. (In text, " LXXII. " by mistake.) Fig. 3. PUPA DECORA Gould, p. 327. Fig. 4. VERTIGO OVATA Say, p. 334. Wood-cuts of aperture enlarged, p. 336. N\. * 40 INDEX TO PLATES. PLATE LXXII. Fig. 1. PUPA PENTODON Say. Wood-cut of the aper- ture magnified, p. 330. That at the right represents the P. Tappaniana of Adams ; that at the left, the P. curvidens, Gould. By error, it is referred to PLATE LXII. in the text. p. 328. Fig. 2. PUPA VARIOLOSA Gould, p. 331. Fig. 3. PUPA SIMPLEX Gould. The animal to which the wood-cut at the end of the text refers, is unknown. p. 343. Fig. 4. PUPA CORTICARIA Say, p. 339. Wood-cuts of the aperture magnified, p. 340. PLATE LXXII a. CTCLOSTOMA DENTATUM Say, p. 348. (Erratum in text, " LXXII.") PLATE LXXIII. HELICINA ORBICULATA Say, several varieties, p. 352. Lingual hooklets magnified, p. 44. PLATE LXXIV. Fig. 1. HELICINA RUBELLA, Green, p. 353. Fig. 2. HELICINA OCCULTA Say, p. 356. Fig. 3. HELICINA ORBICULATA Say, a large variety, p. 352. Fig. 4. HELICINA CHRYSOCHEILA Binney, p. 354. The lingual organ, represented at the conclusion of the text, is unknown. Jft/(.\' //•//. \' I V '//III/ /'Ill/til. ... //< /t.\' .1 i //(//. r / '<( ////v •//r'y/.sv.v, /,,-,/. • V i. . ////>.r t'/t \'f//<(. .So. .•. \ ////// //////"///// v Sax Ill It. r Inn-/ •n/fi/lfi f/i-ff. I • it/i/nrss(t .-Say. c i I I,' /id- i,t!ni),ftr. ,:„„/,/ 2. ffe/ir t/i//,;r/,r . /;„„/,/. I*" Ih-larut ,Ju-/ ////', r //I//.V , .. .. /i / /!'//. \' /t/l/ll'tl/ltftt : : ///-//.I- />/ //,-// ,-//,/. minuscula . , •, Helix '/'<'\\'//xt'/n/{tt//,f /////. XXI' ,,, ////.r />t't>//(//<-l,,ru,'.,iu'f i/,,,ii,,,/,,,' ,)•<•• i:,-,,,,,,,,:,,,. /;. /////. r \f/\ 7 PL. xy. • ,:. ., i J. Collins . . XXVI PL- ?' .\//y/-/ J&fS /-'. • ' « /ii/i.r //•/,/> /f /,//,/. say. i. son ///•//. r ir 4 ,-i PT. .. z .#". bricala .? // ottonw 2 2 //i-//,c (I ftlil /I/ ft I, Hill H f ,/,',, , , \ //t /ft l//t i -sn. A/V//V i.3. //f/t.r /t/<-(t/ir«/n. Say r sui-jblafiM n/i* ///'//.I' (//t/ltf/X, X/r I a* .•„„ . •tf/N //, i'/A' ,///>• - variety avara,, (I lr,,lM 0 > -; llc/i.i le.poruia. ///i, v mdtiioj'a I '" />,'/.! rill' (///'('.I1 '/,'/!/,/.///.' , l' ' t'i'tli'I'ti'ltf << • •-• - ;///'//.(• // ///'A/////. _ i. i '/////// i ii //i iii '-•// •• MfC PI,. X3.ll. •I .• (• aspersa,, • • , /iii 7 /. J?, ' . O PL , XLVOT //•'//./• ///ii'dlii, .fay. a Hell, i~ ,ri'/t'/u/iii . t;,nitn!tf . ). ButiflUU /l(fi/'ICU,r. f'ouM • 3 t',ru)iiutn . AflutlllUl fK'l/IU 'tl/tl , ,'i. . Ic/niltini x ///.SY////V/.S-, &/Z, _ Say.j to BuKmus ftulittws //>.v/ y/////.s-. s • ' PL.J.X!. /,7tt// /:v////.v y ; .//'/i'// fwrtensis. f/-r :: L/////I. r /itt/rxtix, Mull .\' I'll ////>! Xt/'/X ¥ t. r rttrii'tittfnx. limp . //•/<•// hcrttflSlS. /•/•/• . t.r Cblumbianus.—GouZd. 2 .Jric// />'//// //////.v. r //•///./. 11,1 III:' ./.'I '.vn ,.-. > •'X < W ,\'iii'<-iin-ii luteola /-'on/.f .1 , i'///vv///v //// V/< '/,,',, !,>//, j j'llflll , I/ -n/llfl'/ "It, .f,,V t '"'' /',•/',.:• ., . ' i / /•//:/,' ////'// t ;,•/i'/i /<>// . ,c./ .' /'///> tf I'l'/'/fl'l/ ila E /„„•,,./; ,/,/ „ ./,/ •