ALBERT R. MANN LIBRARY NEW YorRK STATE COLLEGES OF AGRICULTURE AND Home ECONOMICS AT CORNELL UNIVERSITY — “BRITISH-MUSEUM- lee Ss a ene! Te ses Ag PRINTED BY ORDER OF THE TRUSTEES - > ES PRICE THREEPENCE, y y New York State Callege of Agriculture At Cornell University Sthaca, N. BY. Library GENERAL GUIDE TO THE BRITISH MUSEUM (NATURAL HISTORY) CROMWELL ROAD, LONDON, S.W. WITH PLANS AND VIEWS OF THE BUILDING, AND FIFTY-EIGHT ILLUSTRATIONS. ELEVENTH EDITION. Lonpon: PRINTED BY ORDER OF THE TRUSTEES OF THE BRITISH MUSEUM. 1906. [All rights reserved. | LONDON: 2 PRINTED BY WILLIAM CLOWES AND SONS, LIMITED, DUKE STREET, STAMFORD STREET, S.E., AND GREAT WINDMILL STREET, W. Cornell University The original of this book is in the Cornell University Library. There are no known copyright restrictions in the United States on the use of the text. http://www.archive.org/details/cu31924001071020 i Me Hl a il qin : * i PREFACE. In the present edition a special effort has been made to replace technical terms (other than scientific names), so far as possible, by words in ordinary use. This, it is hoped, will render the “Guide” more acceptable to the general reader, while in no wise detracting from its usefulness to the more scientific student. Like its predecessor, this edition has been revised and brought up to date by Mr. R. Lydekker. E. RAY LANKESTER. British Museum (Naturat Hisrory). September, 1906. TABLE OF CONTENTS. eo PAGE DESCRIPTION OF THE MUSEUM AND ITS CONTENTS sa EL CrenTRaL Hatu.. a 0 ee as we ei aie WEL, Nortu Hatu (Domesticated Animals, &c.) 0 ee . 84 STAIRCASE AND CoRRIDORS.. a3 a ss . 386 West Wine .. 2 is a f ss : . 38 Ground Floor a a se 2 “i “i . 88 Bird Gallery i is . 38 Pavilion, with British Land and Freshwater Vertebrates a ~42 Coral Gallery as = os ne re as . 44 Fish Gallery Fe a a fs ee te AT Insect Gallery ... is e i ae a .. 60 Reptile Gallery .. = ‘ i ds . . 62 Star-fish Gallery .. Pe ff o as ts . «54 Shell Gallery oe a = % we ‘ . 56 Whale Room 3 re sf Fe ts . 58 First Floor .. wi FP : is - . 61 Lower Mammal Gallery .. is i . 62 Second Floor .. oe as F a - ee . 6F Upper Mammal Gallery .. = Ee 3 ee . 67 East Wine we i va 7 “ : . 69 Ground Floor 7 a be 2 ‘ . 69 Fossil Collections .. i “3 i a 3 .. 69 First Floor Bs ee is Be = sii .. 85 Mineralogical Collections .. be a oi “is . 85 Second Floor .. so a ee a a i . «95 Botanical Collections a 95 GENERAL ARRANGEMENT OF THE CONTENTS OF THE MUSEUM .. a Zi ra oe 7 a . 98 viii TABLE OF CONTENTS, PAGE HISTORICAL SKETCH rr a . " « «105 STAFF OF THE NATURAL HISTORY BRANCH OF THE BRITISH MUSEUM ee ag aie a . 112 SELECTED LIST OF PUBLICATION 8 és re - . 113 GUIDE BOOKS .. es ‘i s n . 121 REGULATIONS FOR ADMISSION OF STUDENTS e 128 NUMBER OF VISITORS TO THE MUSEUM oe ; . 124 DAYS AND HOURS OF ADMISSION TO MUSEUM on back of cover. , er Eare Paro VIEW OF THE CENTRAL HALL, LOOKING NORTH. GENERAL GUIDE TO THE BRITISH MUSEUM (NATURAL HISTORY). DESCRIPTION OF THE MUSEUM AND ITS CONTENTS. ON entering the Museum, the visitor must bear in mind that the principal front faces the south, so that he will be looking due north, with the east on his right, and the west on his left hand. It must also not be forgotten that a museum in a state of active growth is continually receiving additions as well as undergoing changes in the arrangement of its contents, and since these often occur faster than new editions of the Guide can be produced, there may be variations in the positions of some of the specimens from those here given. THE CENTRAL HALL. On entering the hall the visitor will notice the bronze statue of Statues and the late Sir Richard Owen, K.C.B., Superintendent of the Natural rte History Departments of the British Museum (1856-1884). Itis the work of Mr. T. Brock, R.A., and was placed in the Museum on March 17th, 1897. To the right of this is a marble statue of the late Professor T. H. Huxley, sculptured by Mr. E. Onslow Ford, R.A., which was unveiled on April 28th, 1900. In the first bay on the left is a bust, by Mr. Brock, of the late Sir W. H. Flower, Director of the Natural History Departments of the British Museum from 1884 to 1898. Most of the cases placed on the floor of the hall illustrate general laws or points of interest in natural history which do not come appropriately within the systematic collections of the departmental series. Group of Pigeons illus- trating Variation under Domes- tication. Groups of Fowls and Canaries illustrating Variation under Domes- tication, Group of Ruffs and Reeves, illustrating Changes of Plumage according to Sex and Season. 12 CENTRAL HALL. One group, in a case near the entrance to the hall, on the right, shows the great variation to which a species may become subject under the influence of domestication, as illustrated by choice examples of the best-marked breeds of Pigeons, all of which have been derived by careful selection from the wild Rock Dove (Columba livia), specimens of which are shown at the top of the case. In the corresponding case on the left are further illustrations of the same subject. A pair of the Common Jungle Fowl of India shows what is generally considered to be the original form from which all the various breeds of domesticated fowls are derived. As examples of two of the most extreme modifica- tions in opposite directions which have been produced by artificial selection, are the Japanese Long-tailed Fowls, in which some of the feathers (coverts) have attained a length of nine feet, and specimens of another breed kept in many parts of Europe in which the tail is entirely absent. There is also shown a group of Fowls which now live in a wild state in the woods of the Fiji Islands, but are descendants from domesticated owls introduced by the early voyagers of the eighteenth century. A pair of Cochin Fowls is also exhibited in the same case, in order to display development in point of size and in the abundance of feathers on the limbs; while a pair of white “ Silkies”” illustrates a peculiar modification of the plumage, accompanied by a rudimentary condition of the tail-feathers. The pair of Coloured Dorkings exemplifies a breed largely cultivated in England. A series of Canaries is likewise shown in this case, as an example of one of the most recent additions to our stock of domesticated animals, these birds having been first imported into Europe from the Canary Islands in the early part of the sixteenth century. Specimens are exhibited of the wild birds, and of some of the most striking modifications which have been produced by cultivation through many generations. A case placed to the north of this illustrates a remarkable instance of external differences in the two sexes and changes in plumage at different seasons, not under the influence of domestica- tion. The birds in it belong to one species, the Ruff (Pavoncella, or Machetes, pugnax), of which the female is called Reeve; a ADAPTATION TO SURROUNDINGS. 13 member of the Plover family (Charadriide). In the upper division of the case are shown the eggs, newly-hatched young, and young males and females in the first autumn plumage; as well as old males and females in winter, when both sexes are exactly alike in colour, size alone distinguishing them. The large group occupying the lower part of this case consists of adult birds in the plumage they assume in the breed- ing time (May and June). In the female the only alteration from the winter state is a darker and richer colouring, but in the males there is a special growth of elongated feathers about the head and neck, constituting the “ruff,” from which the bird derives its name. In addition to this peculiarity, another, rare among animals in a wild state (though common among domesticated breeds), may be observed, that of striking diversity of colour in different individuals. Of the twenty-three specimens shown in the case no two are entirely alike. Next in order stands a case displaying the remarkable Group of wild variations, according to season and age, in the plumage of the Barger Wild Duck, or Mallard (Anas boscas). The most noticeable sonal Change feature in the plumage-changes of this group of birds is the ob Eieee assumption in summer by the males of certain species of an “ eclipse-plumage,” closely resembling the one worn by the females at all seasons. At other times the males are much more brilliantly coloured than their partners. The eclipse- plumage corresponds to the winter, or non-breeding dress of other birds which have a seasonal change. On the same side of the hall follow two cases illustrating Cases illus- the adaptation of the colour of animals to their natural sur- ieee a roundings, by means of which they are rendered less con- Colour to spicuous to their enemies or their prey. The first contains a Poe specimen of a Mountain or Variable Hare (the common species of the north of Europe), a Stoat, and a Weasel, and some Willow-Grouse and Ptarmigan, as well as an Arctic Fox, in their summer dress, all obtained in Norway, showing the general harmony of their colouring at this season to that of the rocks and plants among which they live. The second case shows examples of the same animals obtained from the same country in winter, when the ground was covered with snow. Such striking changes as these only occur in latitudes and Case illustrat- ing Protective Resemblance of Desert Animals to their Sur- roundings. Mimicry. 14 CENTRAL HALL. localities where the differences between the general external conditions in the different seasons are extreme, where the snow disappears in summer and remains on the ground during most of the winter. Even some of the species here shown do not habitually turn white in the less severe winters of their southern range, as the Stoat in England and the Hare in Ireland. In a few permanent inhabitants of still more northern regions, where the snow remains throughout the year, as the Polar Bear, Alaskan Bighorn Sheep, Greenland Falcon, and Snowy Owl, the white coat is retained throughout the year. The white- ness of these animals must not be confounded with albinism (whiteness occurring accidentally in individuals normally of a different colour), illustrated in a case on the other side of the hall. The case on the east side of the hall nearest the great staircase contains examples of conformity of general style of colouring to surrounding conditions, as exemplified by some of the commoner birds, mammals, and reptiles of the Egyptian desert, placed on the stones and sand amid which they habitually dwell. The advantage of this colouring in concealing the her- bivorous species from their enemies, and enabling the carnivorous to approach their prey unperceived, is obvious. Many excellent cases of concealment by adaptation to surroundings, especially in eggs and young birds, may be seen among the groups in the bird gallery. More special modifications for the same purpose are shown in the adjacent bay on the east side of the hall by insects which closely resemble the objects, such as leaves, twigs, etc., among which they dwell. The close imitation of a dead leaf, presented by the Leaf-Butterfly (Callima inachis), when its wings are closed, could not be surpassed. A further stage of the same condition, called “ Mimicry,” is where the object resembled, or mimicked, is another living animal, belonging to a different species, family, or even order. The resemblance in these instances is also believed to be for protection, or to be in some way advantageous to the animal possessing it. We know, however, so little of the habits and life-history of animals in a state of nature that many of the purposes supposed to be served by particular colours or appearances can only be regarded at ALBINISM. 15 present as conjectural. Whatever be the real explanation, the facts shown by the specimens in this bay are very curious, and worthy of careful consideration. The next case on the east side of the middle of the hall Group ilius- contains a series of specimens illustrating albinism, a condition {rons in which the pigment, or colouring matter, usually present in Fie. 1.—Tue Lear-Botrerrcy (Callima inachis) In FLIGHT AND av Rest. the skin, and giving the characteristic hue, is absent. Indi- viduals in this condition occur among many animals of various kinds, and are called “ albinos.” In some of the specimens shown in the case the albinism is complete, but in many it is partial, the absence of colouring matter being limited to portions of the surface only. 16 CENTRAL HALL. Group illus- The adjacent case shows examples of the opposite condition, Sine a called melanism, depending upon an excess of dark-coloured pig- ment in the skin and its appendages, such as hair, feathers, etc., beyond what is commonly met with in the species. This is by po means so frequent as albinism. A black Leopard in the middle of the case is a good illustration. It is not a distinct species, but an individual variety of the common Leopard, born from parents of the normal colour. A black Bullfinch is intro- & Fic. 2.—Tue Somart Tsrtse-Fry (Glossina longipennis). Enlarged 4 diametcrs. Shows the complete closure of the wings, and the thick, straight proboscis, characteristic of the genus. duced as an example of acquired melanism, the bird having turned black in captivity. Group illus- Another group shows that two forms of Crows which eee Inter- appear quite distinct, and, judged by their external Forms in characters, might be regarded as different species, may in a Nature. state of nature unite, and produce hybrid offspring. In another part of the same case is a series of Goldfinches, MOSQUITOES AND TSETSE-FLIES. 17 showing a complete gradation between birds of different colour- ing, which have been regarded as different species. Both these examples may by some naturalists be considered instances, not of crossing of distinct species, but of “dimorphism,” or the occurrence of a single species in nature under two different garbs; but from whatever point of view they may be regarded, they illustrate the difficulty of defining and limiting the meaning of the term “species,” of such constant use in natural history, In the middle line of the hall is placed a case containing Mosquitoes greatly enlarged models of Mosquitoes or Gnats (figs. 3 and 4), ea and of an African Tsetse-Fly (fig. 2); also still more enlarged gelatine models of mammalian blood-corpuscles, showing the parasites by which they are infested in the diseases respec- tively communicated by means of Mosquitoes and Tsetse. Models of the parasites themselves are also shown (figs. 5 and 6). Malaria, or ague, is a disease peculiar to man. It is caused by extremely minute parasites which live in the red corpuscles of the blood. Formerly malaria was believed to be contracted by merely breathing the air of marshy districts, but it is now proved that the parasites are transmitted from man to man by the “bite,” or rather “stab,” of a Mosquito or Gnat. The Common Mosquito or Stabbing Gnat (Culex pipiens), fig. 3, does not transmit the malaria-parasite; the Spot-winged Mos- quitoes (fig. 4), of the genus Anopheles, abundant in England and nearly all parts of the world, being the carriers. This parasite multiplies not only in the human blood, but in the stomach and tissues of the Gnat—as shown in the models (fig. 5). Tsetses (fig. 2) are African blood-sucking Flies, with the mouth-parts adapted for piercing the skin of mammals such as Antelopes and Zebras. The blood of some of these animals is infected with a parasite (fig. 6), which, when carried adherent to the proboscis of the Fly, and introduced by its bite into the blood of domesticated animals such as the Horse and Ox, produces the fatal Tsetse-Disease. The model of one of these flies exhibited is 28 times (linear) natural size; the Tsetse- parasites and the red blood-corpuscles are enlarged 6,000 diameters. Cc 18 CENTRAL HALL. Fig. 3.—(a) Tut Common GNat (Culex pipiens). Enlarged. hel, maculip is). Enlarged. Fig. 4.—(b) THe Spor-winceD Mosqutto (Anop Fic. 5.—Lire-History oF THE MALARIA PARASITE. a, exotospore, or malarial germ, as introduced into the blood by the mosquito; b, exoto- spore after entry into blood corpuscle; ¢c, growth of exotospore into an amcebula ; d, division of amcbula to form enhemospores; e, liberated enhsmospores ; f, growth of enhemospore into a crescent at expense of corpuscle; g, male, and h, female crescent; 7, male cell with projections, which lengthen, and are eventually set free as spermatozoa; j, fertilisation of ovum by spermatozoon ; i, fertilised egg as the active motile vermicule ; 1, enlarged vermicule, after boring through the stomach wall of the mosquito, forming the sphere; m, segment of sphere at maximum stage of development, containing courtless needle-shaped spores, which, when it bursts, escape as exotospores into the organs of the mosquito’s body « and Pass through the salivary glands into the proboscis, and so Ie Fand ~ wenn Lils-— ees ee | c 2 20 CENTRAL HALL. The Tsetse-parasite multiplies in the blood by the longi- tudinal division of each of the individuals. African In the middle line of the hall is placed a magnificent Elephant. mounted skin of an African Elephant (Elephas africanus) from Rhodesia, standing about 11 feet 4 inches in height. The Fig. 6. Trypanosoma brucet, the parasite of Nagana, or Tsetse Disease, in blood of a Donkey (x about 2,500). skull is also exhibited ; and a very fine pair of tusks ot the same species from Unyoro, in the Uganda Protectorate, are likewise shown. Bays or Most of the bays or alcoves round the hall, five on each Alcove ds. : 7 the fa side, are (with the exception of the one at the north end of TYPES OF MAMMALS. 21 the right side reserved for the exhibition of recently acquired specimens of especial interest) devoted to the Introductory or Elementary Morphological Collection, designed to illustrate the more important points in the structure of certain types of animal and plant life, and the terms used in describing them. This has been called the “ Index Museum,” as it was thought at one time that it would form a sort of epitome or index of the main collections in the galleries ; but the name does not exactly express that into which it has developed. It is really more like the general introduction preceding the systematic portion of treatises on any branch of natural history. The space being limited, the number of specimens is necessarily restricted. In examining this collection the visitor should follow each case in the usual order of reading a book, from left to right, and should carefully study the printed explanatory labels, to which the specimens are intended to serve as illustrations. The bays on the west side (left-hand on entering the hall) are devoted to the Vertebrated Animals, or those possessing a “backbone.” In Nos. I. and II. are shown the characters of the Mammals, which form the highest modification of this type. The wall-cases of No. I. contain specimens showing the bony framework (internal skeleton) of Mammals. In the first case (south side of the recess) will be seen a Bay 1. complete skeleton of a good example vf the class—a Baboon Skeleton of Monkey, with all the bones separated, laid out on a tablet, and their names affixed to them. Below is a skeleton of the same animal articulated, or with the bones in their natural relation to each other, and also named. By examining these two specimens an idea may be obtained of the general frame- work of the bodies of animals of this class. In other parts of the case are placed examples of modifications of the skeleton to suit different conditions of life. 1. Man, showing a skeleton adapted for the upright position. 2. A Bat, or flying Mammal, in which, by the great elonga- tion of the fingers, the fore-limbs are converted into wings (fig. 7), supporting a web of skin stretched between them. 3. A Sloth, in which the tips of both limbs are reduced to mere hooks, by whose aid the creature hangs back-downwards 22 CENTRAL HALL. from the boughs of the trees among which it passes its entire existence. 4, The Baboon serves as an example of an animal walking on all four limbs in the “plantigrade” position, 7.e., with the whole of the palms of the hands and soles of the feet applied to the ground. 5. A small species of Antelope shows the characteristic form of a running animal, in which the limbs perform no office but that of supporting the body on the ground. It stands on the tips of the toes of its elongated slender feet. Fig. 7.—THE SKELETON or 4 Fiyinc-Fox, on Fox-Bat (Pteropus medius). ol, clavicle ; cv, cervical vertebre ; d, dorsal vertebre; fb, fibula; fm, femur; h, humerus; hw, great toe, or hallux; J, lumbar vertebra ; mc, metacarpal ; mt, metatarsals; ph, phalanges, or toe-bones; pv, pelvis; pa, thumb, or pollex; 17, radius; s, sacral vertebrae; sc, scapula; sk, skull; 1b, tibia; ts, tarsus; wu, ulna. 6. A Porpoise, adapted solely for swimming in the water. The fore-limbs are converted into flattened paddles, and the hind-limbs entirely absent, their function being performed by the tail. The rudimentary pelvic bones are preserved.. The rest of the case is occupied by details of the skull in some of its principal modifications. At the top are diagrams TEETH OF MAMMALS. 23 of the structure of bone and cartilage as shown by the micro- scope. In the wall-case on the opposite (north) side of the bay the outline of the osteology of Mammals is continued by illustrations of the structure of the limbs. At the top of the case is a diagram showing the correspondence of the hand and the foot in their complete typical form, with the names applied by anatomists to the different bones. The series of specimens below shows the principal deviations actually occurring from the typical condition, which, as may be seen, is very nearly preserved in the human hand. One series shows some of the stages of modification for special purpose (specialization) by which a typical five-fingered hand becomes converted into the single-toed fore-foot of the Horse, and another series ends with the fore-foot of the Ruminants, with only two toes remaining, some- times, but erroneously, called a“ cloven hoof.” Similar changes are shown in the toes of the hind-foot, illustrating the same common plan running through infinite modifications in detail, enabling the organ to perform such a variety of purposes and to exhibit such diversity of outward appearance. The existence of this common plan is now generally regarded as due to inheritance from a common ancestor. The central case of the bay contains a collection illustrat- Teeth of ing the principal characters of the teeth of Mammals. ™#™™#ls Its inspection should commence at the north-east corner, where the visitor will find himself after completing the survey of the osteological specimens in the wall-cases. In the first division are placed specimens showing the general characters of teeth, their form, the different tissues of which they are composed, the two great types of dentition in Mammals, homeodont and heterodoni,* the names and serial correspondence of the different teeth, and their development and succession. The principal modifications of teeth according to function are next shown by examples of forms adapted for fish-eating, flesh- eating, insect-eating, grass-eating, &c. The remainder of the case is taken up by examples of the dentition of the families of Mammals arranged in order, and prepared so as * In the homeodont type the teeth are alike, in the heferodont they arc divided into groups. Bay II. Classification of Mammals. Skin of Mammals. 24 CENTRAL HALL. to display not only the shape of the crowns, but also the number and character of the roots by which they are implanted. In bay No. IL. the two wall-cases contain a collection ar- ranged to show in a serial manner the generally recognised orders and sub-orders of existing Mammals, by examples selected to illustrate the predominating characters by which these are distinguished. A brief popular account of the characteristics of the group, and a map showing its geographical distribution, are placed with each. This is intended not only for an introduction to the study of the class by visitors to the museum, but also as a guide to a method of arrangement which may be adopted in smaller institutions. Among the illustrations of the order Primates is placed the skeleton of a young Chimpanzee dissected by Dr. Tyson, which formed the subject of his work on the “ Anatomy of a Pigmie,” published in 1699, the earliest scientific description of any Man-like Ape. The central case of this bay contains illustrations of the outer covering or skin and its modifications in the class of Mammals, divided into the following sections: 1. Expansion of skin to aid in locomotion, as the webs between the fingers of swimming and flying animals, the para- chutes of flying animals. 2. The development of bony plates in the skin, found among Mammals only in the Armadillos and their allies. The cast of a section of the tail of a gigantic extinct species (Glyptodon) shows a bony external as well as an internal skeleton. 3. The outer covering modified into true scales, much resem- bling in structure the nails of the human hand. This occurs in only one family of Mammals, the Pangolins, or Manide. 4. Hair in various forms, including bristles and spines. The two kinds of hair composing the external clothing of most Mammals, the long, stiffer outer hair, and the short, soft under- fur, are shown by various examples. 5. The special epidermal appendages found in nearly all Mammals on the ends of the fingers and toes, called according to the various forms they assume, nails, claws, or hoofs. 6. The one or two unpaired horns of the Rhinoceroses, shown STRUCTURE OF BIRDS. 25 by sections to consist of a solid mass of hair-like epidermic fibres. 7. The horns of Oxen, Goats, and Antelopes, consisting of a hollow conical sheath of horn, covering a permanent projection of the frontal bone (the horn-core). 8. The antlers of Deer, solid, bony, generally branched, projec- tions, covered during growth with soft hairy skin, and in most cases shed and renewed annually. On the wall is arranged a series of antlers of the Stag or Red Deer (Cervus elaphus), grown and shed (except the last) in thirteen successive years, showing the changes which took place in their size and form, and the development of the branches, or tines, in each year. In old age the number of these tines tends to diminish. On the north side of the table-case are dissections of the principal internal organs of Mammals. Bay No. III. is devoted to the class of Birds. An Albatross Bay III. (Diomedea exulans) mounted with the wings expanded shows a the most important characters by which a bird is externally of Birds. distinguished from other animals. The body is clothed with feathers, which (in the majority of birds), by their great size and special arrangement upon the fore-limbs, enable these to act as organs of flight. The mouth is in the form of a horny beak. A nestling Albatross shows that at this stage of its existence the bird is not clothed with true feathers, but with soft down, which serves to keep the body warm, although it confers no power of flight. An Emu and Apteryx in the lower compartment of the case display the exceptional condition (found only in a comparatively few members of the class) of birds with wings so small as to be concealed beneath the general feathery covering of the body, and quite useless. In the Penguins, of which two species are shown in the case, the wings are reduced to the condition of fins, and are only serviceable for progress through water. In the first wall-case the principal features of the skeleton of the class are shown. Sections of bones exhibit the large air-cavi- ties within ; a complete skeleton of an Eagle, with the bones sepa- rated and named, and mounted skeletons of the Ostrich, Penguin, Pelican, Vulture, Night-Parrot, Fowl, &c., show the chief modi- Bay IV. General struc- ture of Reptiles and Amphibians, 26 CENTRAL HALL. fications of the skeleton. The Apteryx possesses the smallest, and the Frigate-bird the longest bones of the wing, the corre- spondence of which can be readily traced by means of the labels attached to them. The under surfaces of the skulls of various birds are shown with the different bones coloured to indicate their limits and relations; these are followed by a series of the different types of sternum or breast-bone. The second wall-case contains further illustrations of the anatomy of birds. In the left-hand part a series of wings of birds displaying the form characteristic of different groups; while above them are a few of the different types of tails, supplementing the series of tails in the table case. Very instructive is a series of skins of white chickens of the same brood at different ages displaying the gradual replacement of the down by the adult plumage. The table-case in the middle of the bay contains illustrations of the external characters, the beak, the feathers, and the tail, as well as of the fore and hind limbs, or wings and feet. By the aid of the explanatory labels, the essential characters and the prin- cipal modifications of all these parts can easily be followed. Two cases on the walls at the entrance to bay V. illustrate the leading modifications of the eggs of Birds, and their differ- ences in structure, number, form, size, texture of surface, and colour. On the side of the main staircase opposite are speci- mens illustrating the parasitic habits of some Cuckoos and certain other Birds; while near by is a remarkably fine series of the eggs of Cuckoos with those of the Birds among which they were respectively deposited. On the opposite (east) side of the staircase the visitor will find a case showing the remark- able variation in colouring and markings displayed by the eggs of the Guillemot. The fourth bay on the west side of the hall exhibits the leading peculiarities in the structure of Reptiles and Amphi- bians. Owing to the large number of groups in the former class now extinct, many fossil specimens, or plaster reproduc- tions of the same, are shown. The wall-case on the south side of this bay illustrates the different ordinal groups of Reptiles— living and extinct. Very instructive are the skeletons of Tortoises and Turtles, showing the relations of the vertebrae STRUCTURE OF REPTILES AND AMPHIBIANS. 27 and limb-bones to the bony shell. Lizards and Snakes are mostly represented by coloured casts. The extinct Dinosaurs are represented by a small-sized model of the Jguanodon, together with a photograph of the skeleton and a plaster-cast of the bones of the hind-foot showing the three toes. The adjacent side of the table-case shows the modifications of the backbone, or vertebral column, of the ribs, and of the Fig. 8.—Sxunn or Tar Giant TuaTera (Hyperodapedon gordont), from the Triassic Sandstone of Lossiemouth, Elgin, (3 nat. size). A, upper surface of skull; B, palatal aspect of skull; C, under-side of front of lower jaw; Pm, premaxillary bone; Mz, maxillary; Pl, palatal teeth; Md, lower jaw; O, orbit, or eye-socket; N, nostrils; S, temporal pit; 8’, lateral temporal fossa. limbs, in the different groups of the class. Specially noticeable are examples of five types of Skink-like Lizards, exhibiting the gradual diminution in the size of the limbs and their final disappearance. The opposite, or north, side of the table-case displays the Bay V. Structure of Fishes. 28 CENTRAL HALL, different modifications in the skull and teeth of living and extinct Reptiles. In some, like Crocodiles and Ichthyosaurs, the jaws are armed with a full series of sharply pointed teeth, while in others, like the Tortoises and Turtles, they are devoid of teeth and encased in horn. Very remarkable is the approximation to a carnivorous mammalian type presented by the dentition of some of the extinct Theromorphs, and equally noticeable are the palatal crushing teeth of certain other extinct Reptiles known as Placodus and Cyamodus. The peculiar den- tition of the New Zealand Tuatera, and likewise that of its extinct European and Indian ally Hyperodapedon (fig. 8), are also shown. The brain and other internal organs of Reptiles are displayed in the left half of the wall-case on the north side of this bay, in which are also shown the eggs of many species, in some cases with the embryo. In the right half of the same case is exhibited a number of preparations showing the external form and internal structure of Amphibians, living and extinct. The Giant Salamander of Japan (Megalobatrachus or Cryptobranchus) is represented by a stuffed specimen but the Newts, Salamanders, and Frogs are shown in spirit. Very curious is the almost colourless and blind Olm (Proteus) from the caves of Carniola; as also are the so-called Cecilians, or Apoda, which have the habits and, in some degree, the appearance of large worms. Special specimens exhibit the structure of the extinct Labyrinthodonts, in which the hinder half of the skull is completely roofed over by bone; while the teeth in many cases exhibit a curious in- folded arrangement from which the group derives its name. The last bay (No. V.) on the west side of the Central Hall is devoted to the display of the form and structure of Fishes. The wall-case on the left side of this bay exhibits the external form of several characteristic types of Fishes, such as the Pike, Cod, Turbot, Dog-fish, and Skate, with the names of the various fins affixed. A striking specimen is the skeleton—mainly carti- laginous—of the Great Blue Shark (Carcharodon rondeletii) (fig. 9), which occupies the greater portion of this case. It should be noted that, as in all Sharks and Rays, the upper jaws do not correspond with those of the higher Vertebrates; and 29 TYPES OF FISHES. particular attention “po1e}4a] you ere sug ‘yoeq JO ‘[esiop ey, ‘qore “WoO, 10 ‘Temesy ‘vy pus ‘reddn Jo ‘yumou ‘pu !a@Iqo}IOA OY} JO SeIpoq IO ‘eayUeD ‘9 ‘uy ‘ported pury 40 ‘prayed ‘nd sug peroyood jo uopsod [euep ‘v ‘ug porred yuosy Jo ‘e1ojoad jo uorysod snoursepyreo ‘yd ‘oTpid Yerojood ‘oo :sayore yerqouesq ‘4g ‘pedyozereo ‘iy ‘iejnqripusmody ‘ns ‘mul somo, ‘pw ‘mel reddn [euoryouny od ‘e808 posIe[Us uv WO eMOGHoBG Jo uOTZIOd ITA “(z270japU0L UOpoLMYDLOD) MAVAG BAT VEU) AHL JO NOLATAAS—'6 ‘OLA yd Soi i a EEG g He namnononoOnONNRESEATTENY jag gf Py RRA RR A WS Ys as md OD 5D COmge KR qgGowoony Hv oO “SO OSGLPH I YL OL SMO gases gopg Sc ks ees ease Bo See as gags s ° > OF BG Dw Pale] > Ge o oe: BK ay > oo H n 2 tS 6 ° r=) me 6 a Eo pi Pa 6° 6-8 we 8 ® .F Spear n a Soom Dw nD aeAdo Seek Beta eeee’ gcesiaagi@ byes ga'sas rs) 3 9D on eae SS wae o HAO) Tee o 4 > an = oO lou) o3 0 @H 2S .4 9° O'A, ° a2, © ~8 434 - Ao oo .: Oo PBR 4g 2's 8.22.8 aS Pe 2 2 = 2s to $a Be) wa Pa in! —o.9 Gt ao Ss HS 4 n 2 Sr s5S GCaee om iSCaua eo EHO aa au) BHR a -o Sa 8 S Tid SS Soeg~aqu o Qa Q q 5) uw CM. Fs] Bean Meda eke ee eea ees seas. Bese se eer ant BeEES ees aB ERE BER ESSE SeeEEEG SAE a oo ep asaads SH8 AaB ROD aAase HMORPOBHBSA OCA BE Batak ee pose of sustaining the body in the air, 30 CENTRAL HALL. or, as in Pentanemus, to serve as organs of touch. Specimens of the West Indian Goby and the Lump-Sucker show modifica- tions of the pelvic fins in connection with a sucker on the lower surface of the body; while other preparations display the pectoral (Doras) and pelvic fins (Monocentris) reduced to the condition of saw-like spines. The structure of the skull of Fishes is illustrated in another Fic. 11.—Tue Frying Gurnarp (Dactylopterus volitans). (From Giinther’s “ The Study of Fishes.”) part of the same side of this case. From this the visitor may learn how the primitive cartilaginous skull of the Sharks (fig. 9), Rays, Chimeras, and Lung-fishes has been gradually modified by the addition of superficial sheathing-bones into the bony skull of modern fishes, such as the Cod and Perch. The north side of the table-case in Bay V. is mainly devoted to the display of the different types of scales, spines, and teeth LANCELET. 31 found among Fishes. In one corner are the “ ganoid” scales of the modern American Bony Pike (Lepidosteus), and the African Bichir (Polypterus), alongside those of certain extinct forms. A scale of the Tarpon, or king-of-the Herrings, illus- trates the largest development in point of size of the modern “eycloid” type. Spines of the Porcupine-fish show an extreme development of this kind of structure. Diagrams and spirit- preparations illustrate the mode of attachment and succession Fic. 12.—A Jaw or tue Port Jackson Saarxk (Cestracion philippi), showing sharp teeth in front and crushing ones behind. of fish teeth. A large series of the teeth of Sharks and Rays displays the gradual passage from those of the ordinary point form to others arranged in a pavement-like manner and adapted solely for crushing. Both types occur in the Port Jackson Shark (fig. 12), while those of some Rays are solely of the pavement modification. Very remarkable is the dental structure in the Parrot-fish, The west end of this side of the case shows the various modifications assumed by the teeth of the modern Bony Fishes; among which, as exemplified Lancelet. Bay VII. Molluses. 32 CENTRAL HALL. by the Wrasse, teeth are developed on the bones of the throat, as well as on the bones of the jaws. Throughout this case specimens, or models, of the teeth of extinct Fishes are placed side by side with those of their nearest living relatives. The wall-case on the north side of this bay shows the history of the development of various Fishes, together with the form and structure of the gills, brain, heart, digestive system, and other organs. A small case affixed to the pillar at the entrance to the fourth bay illustrates the structure of the Lancelet (Branchiostoma, or Amphiowus), by the aid of spirit-specimens, enlarged models, and coloured diagrams, One of the most remarkable features in the structure of this strange and primitive little creature is the outer cavity enclosing the large and complex gullet, or pharynx. The Lancelet was formerly included among the Fishes, but is now accorded the rank of class (Cephalochorda) to itself. Leaving bay VI., next the principal staircase on the east side of the central hall, which, as mentioned above, is reserved for recently acquired specimens of more than ordinary interest, the visitor passes to bay VII. The wall-cases on both sides of this bay are devoted to Molluscs, or “ Shell-fish.” In the first division of the north wall-case is mounted a series of speci- mens in spirit. . Alongside is a large series of shells arranged on tablets to show: firstly, the leading structural types, such as univalve, bivalve, multivalve, &c.; then the nature of the outer coat, or “skin;” and, thirdly, some of the more striking styles of ornamentation and colouring. Following these, a division is devoted to the display of the general form of the shells of bivalves, especial attention being directed to the nature of the hinge by which the two valves are joined. Freshwater Mussels (Unionide) are selected as examples of great variability in the form of the shell in closely allied species. Near by is a small series of the shells of boring bivalves, many of them in the substances they perforate. The left half of the wall-case on the opposite side of this bay shows, in a similar manner, the varieties in form and structure presented by univalve or Gastropod shells. Many of the specimens have been cut to show the internal structure. PLANTS. 33 Specimens of the horny or shelly plate (operculum) closing the mouth of many Gastropod shells are also exhibited in this case. The right end of the same case displays spirit-preparations of the Cephalopod Molluscs, such as Cuttle-fish, Squids, Nautilus, Paper-Nautilus, &c. Specimens of the horny beaks possessed by all members of this class are also exhibited ; and a Pearly Nautilus, with the shell cut in two in order to show the air-chambers and the comparatively small space occupied by the “animal,” will be found of special interest. The table-case in this bay, as mentioned above (p. 14), is devoted to the illustration of “Mimicry” and kindred pheno- mena. Most of the examples shown occur among Insects; but one example among Mammals and a second in Birds are illustrated. Very striking is a coloured sketch showing a group of red and black caterpillars from Singapore collected side by side on the stem of a plant so as to present a remarkable similarity to a succulent fruit. Another instance of a similar type, from East Africa, is exhibited in the sketch of a “ flower,” formed by winged Insects allied to Cicadas, the red males constituting the base, and the green females the summit of the spike. In bay VIII., on the eastern side of the central hall, an Bay vim. exhibition illustrating trees, native to or grown in Britain, is in progress. The winter and summer states are indicated by photographs, and the foliage, flowers, fruits, seedlings, and texture of wood and bark, by specimens, models, and drawings. Bays IX. and X. are intended to illustrate the structure of the vegetable kingdom, and are in course of arrangement. Two table-cases illustrating insectivorous (insect-eating), and Bay IX. parasitic plants respectively are temporarily placed in bay IX. At the back of the bay is a fine polished section of a buttress from the base of the Tapang (Abauria excelsa), the largest tree in Borneo, attaining a height of 250 feet. The last bay is devoted to the “ Angiospermous” division of Bay X. seed-plants, in which the pollen penetrates the stigma and Dipoeyleivae fertilises the ovule in a closed chamber or ovary, which develops Monocotyle- into the fruit enclosing the seed. The Angiosperms forming the done. section of Monocotyledons are characterised by a single seed- D Domesticated Animals, Hybrids, an Economic Zoology. 34 NORTH HALL. leaf or cotyledon, and foliage-leaves with more or less parallel veins, without the irregular network found in a dicotyledonous leaf, The Dicotyledons, on the other hand, have a pair of cotyledons and foliage -leaves with an irregularly netted venation. The arrangement of the vegetative parts of the plant is based on its separation into root, stem, and leaf. In the right-hand wall-case the upper series of specimens illus- trates the leaf, its form, veining, direction, the characters of its stalk and stipules, its modification for special purposes, and its arrangement on the stem and in the bud. Below the stem and root are similarly treated, and above are some anatomical drawings. The display of the root is continued in the lower part of the opposite wall-case. In the central case the chief types of the flower with its parts, the fruit, and the seed are exhibited. ' At the back of the bay is a large transverse section of the Karri tree (Eucalyptus diversicolor) of Western Australia, a species which grows to a height of 400 feet. The tree from which the section was cut was about 200 years old when felled. The Introductory Collection of Minerals will be found in the gallery devoted to that department of the collection (see p. 85). THE NortH HAL. The North Hall, or that portion of the building situated to the northward of the principal staircase, is intended for the exhibition of the more important breeds of Domesticated Animals, as well as examples of Hybrids and other Abnor- malities. A series of specimens illustrative of Economic Zoology is likewise being added. The examples of Domesticated Animals are not yet per- manently arranged, and many more are required before the series can be regarded as at all representative. The chief ex- hibits comprise Horses, Cattle, Sheep, Goats, Dogs, and Rabbits. One of the main objects of this series is to show the leading characteristics of the well-established breeds, both British and foreign. In addition to Domesticated Animals properly so DOMESTICATED ANIMALS. 35 called, there are also exhibited examples of what may be termed Semi-Domesticated Animals, such as white or parti-coloured Rats and Mice. The skulls and skeletons of celebrated Horses of all breeds, including those of the Racers “Stockwell,” “Bend Or” and “ Ormonde,” and of the Shire “ Blaisdon Conqueror,” form a notable feature of the series. In another case is exhibited the dentition of the Horse at different periods of existence ; while on the opposite side of the same is illustrated the evolution of the Horse from three and four-toed ancestors, and also certain peculiarities distinguishing the skulls of Thoroughbreds and Arabs from those of most other breeds. Among the more notable exhibits are a stuffed specimen of a Spanish Fighting Bull, which belongs to an altogether peculiar breed ; and heads of Spanish Draught Cattle, presented by H.M. the King. Among the Sheep, attention may be directed to the four-horned and fat-tailed breeds, and also to the small breed from the island of Soa, as well as the curious spiral-horned Wallachian Sheep. The so-called wild cattle of Chillingham Park are included in this series, since they are not truly wild animals, but are descended from a domesticated breed. The celebrated greyhound “ Fullerton” is shown among the series of Dogs, which also comprises two fine examples of the Afghan Greyhound. Small-sized models of Cattle, Horses, Sheep, and Pigs also form a feature of the series. A hybrid between the Zebra and the Ass is shown in one of the cases; while photographs illustrate the experiments under- taken by Professor Ewart in cross-breeding between Burchell’s Zebra and the Horse. An example of the Lion-Tiger hybrids born many years ago in Atkins’ menagerie, is likewise shown. A fine series of hybrid Ducks and hybrid Pheasants is also exhibited in the north hall. Facing the visitor as he enters the middle of the north gketetons of hall are the skeletons of a Man and of a Horse, arranged ae for comparison with each other, and also to show the position of the bones of both in relation to the external surface. In the case of the Horse, the skin of the same animal from which the skeleton was prepared was carefully mounted, and, when dry, divided in the middle line, and one half, lined with velvet, D2 Section of “ Big Tree.” Statue of Darwin. 36 STAIRCASE AND CORRIDORS. placed behind the skeleton. In the Man the external surface is shown by a papier-maché model, similarly lined and placed in a corresponding position. As all the principal bones of both skeletons have their names attached, a study of this group will afford not only a lesson in comparative anatomy, but may also be of practical utility to the artist. Against the wall dividing the north hall from the central hall is placed a section of a very large Wellingtonia or “ Big Tree” (Sequoia gigantea), which was cut down in 1892 near Fresno, in California. It is about fifteen feet in diameter, and perfectly sound to the centre, showing distinctly 1,335 rings of annual growth, which afford exact evidence of the age of the tree. An instantaneous photograph, taken while the tree was being felled, is placed near it, and shows its general appearance when living. Its height was 276 feet. The exhibits of Economic Zoology occupy the northern division of this hall. In the western wall-case are specimens showing the injury done to trees by various insects. The table-cases contain examples of the damage done in Britain to fruit, roots, corn, garden and vegetable produce, with specimens of the insects, and hints as to methods of destruction. There are also examples of injury done by insects abroad to cotton, tea, coffee, &c. In the cases under the windows are various parasites affecting man and domesticated animals. STAIRCASE AND CORRIDORS. On the first landing of the great staircase, facing the centre of the hall, is placed the seated marble statue of CHARLES DARWIN (b. 1809, d. 1882), to whose labours the study of natural history owes so vast an impulse. The statue was executed by Sir J. E. Boehm, R.A., as part of the “ Darwin Memorial” raised by public subscription. It was unveiled and placed under the care of the Trustees of the Museum on the 9th of June, 1885, when an address was delivered on behalf of the Memorial Committee, by the late Professor Huxley, P.R.S., to which His Majesty the King (then Prince of Wales), as representing the Trustees, replied. GIRAFFES AND OKAPI. 37 Above the first landing the staircase divides into two flights, each leading to one of the corridors which flank the west and east sides of the hall, and by which access is gained to the galleries of the first floor of the building. At the southern end of these corridors two staircases, raised on arches spanning the hall, join to form a central flight leading to the second or upper most floor. On the landing at the top of this flight is placed a marble statue by Chantrey of Srr JosepH Banxs (b. 1743, Statue of @nks, Fig. 13.—A. Femate Oxapi (Okapia johnstoni, or O. ericksont). d. 1820), who for forty-one years presided over the Royal Society, and was an active Trustee of the Museum. His botanical collections are preserved in the adjoining gallery, but his unrivalled library of works on natural history, also bequeathed to the Museum, remains at Bloomsbury, where the statue, erected by public subscription in 1826, stood until it was removed to its present situation by direction of the Trustees in the year 1886. African Antelopes. Giraffes and Oxapi. Gould Collection of Humming- Birds. Bird Gallery. 38 BIRD GALLERY, The west, south, and east corridors contain a portion of the collection of mounted Mammals for which there is not room in the gallery immediately adjoining. The specimens placed here include a large number of species of the finest African Antelopes, animals remarkable for their beauty, for their former countless numbers, and for their threatened extermination in consequence of the inroads of civilized man into their domain. In a case at the head of the staircase leading to the east corridor are three mounted specimens of Giraffes, and near by a skeleton of the same. Alongside of the former is placed a case containing the heads and necks together with skulls of other Giraffes; while in a third are displayed specimens of their near ally the Okapi (fig. 13) of the Congo Forest. The collection of Humming-Birds (TZyochilide) arranged and mounted by the late Mr. John Gould, and purchased for the Museum after his death in 1881, is disposed partly in the east corridor and partly on the pillars of the staircase. The resplendent colours and singular varieties of form presented by these fairy-like objects can scarcely fail to excite admiration. WEST WING. The whole of the west wing of the building is devoted to the collections of recent Zoology. (A) GrounD FLoor. The ground floor is entered from the west side (left hand) ot the central hall, near the main entrance of the building. The long gallery, extending the entire length of the front of the wing as far as the west pavilion, is assigned to the exhibited collection of Birds, the study-series of the same group being kept in cabinets in a room behind. BRITISH MUSEUM (NATURAL HISTORY) Ground Floor. 10 o 10 ay ay a & 50 10 40 c oo Scabe of ‘touts sae — “awe? = Fan Ah Feet, LE, Studies = (Pr vare) Studies ( Paivare.) ee i fon ea | r =a 00. a r saat fl a “3 3 4 | i Bez | ei | : nt ¢ |! | | tates S |] i = [ ’ vied i a 3 ” | ! ; i 4 a | {| f° Domestic Breeds, 1 2 il = & ! : : i vi de dog! Hybrids, etc | ig w oi aw g l i bt me i=) |= sha ohh a . oa: a | 1 g ala £2 if) = ws t : ® ic] p q Be —D—— = 4 Ww Pan 6 z 23 * 375,231 1885 . Y . e 421,350 1886 és " 7 e " 382,742 1887 . . - - 2 358,178 1888 7 ss . , ” 372,802 1889 Z = : 7 . 361,046 1890 (s 7 ‘ c: . 355,682 1891 : - n : - 375,906 1892 . - 2 ro - 351,917 1893 ke i. ie : £ 408,208 1894 2 " ‘ : 413,572 1895 ie s . 2s 446,737 1896 - ” . . - 453,956 1897 i e mn - s 422,607 1898 i" - . - H 419,004 1899 . = 2 ; : 422,290 1900 7 < Ke . 485,288 1901 a . 7 ; 7 417,691 1902 2) bs e 7 af 433,619 1903 2 6 , : m 486,733 1904 3 4 “ “ " 470,557 1905 as a s re a8 566,313 ( 125 ) AY NumsBEg oF VISITS TO PARTICULAR DEPARTMENTS FOR THE PURPOSE OF STUDY. Zoology. Geology. Mineralogy. | Botany. 1883... . 5,229 2,453 617 1,023 A884 6 4 on 8 6,818 1,991 651 993 1885. . . 8,313 1,959 626 1,105 1886... . 8,372 2,466 761 1,026 1887. . . 8,955 3,290 620 1,483 1888... . 8,797 3,111 733 2,214 1889. . . . 8,360 3,339 683 1,344 1890. . . . 9,034 3,771 623 1,244 1891... . 9,443 2,961 946 2,226 1892. . . . | 10,932 | 4,107 1,751 2,585 18938... 10,872 4,955 | 1,714 2,274 1894... . 10,730 5,176 1,994 -2,129 1895. . . . 8,189 5,986 2,073 2,206 1896. . . . 7,995 5,953 1,841 2,555 1897... . 9,708 4,889 1,248 2,718 QOS). sy. are 10,830 5,234 1,173 2,940 1899. . . . 10,728 4,479 1,264 2,649 1900. . . . 11,923 4,447 1,314 2,380 TOOL wo a es 12,813 4,573 1,295 2,392 1902. . . . 10,633 4,135 1,366 2,068 1908. . . . 11,627 4,601 1,541 2,108 1904... . 11,824 4,854 909 2,358 1905. . . . 11,811 4,968 994 1,939 E. RAY LANKESTER, Director. LONDON: PRINTED BY WILLIAM CLOWES AND SONS, LIMITED, DUKE STREET, STAMFORD STREET, S.E., AND GREAT WINDMILL STREET, W. n “Sal os ‘BRETISH MUSEUM (NATURAL HISTORY). Uy DAYS AND HOURS OF ADMISSION. . The Exhibition Galleries are open to the Public free daily. On Wesx-pays, throughout the year from 10 a.m., in January, till 4 PM. February, » 4,30 ,, March, » 5.30,, April to August, go> 8 Se September, ; » 5.30,, October, ee oe Da November and December, ,, 4 ,, also, on Mondays and Saturdays only, from the beginning of May to the middle of July, till 8 p.m., and from the middle of July to the end of August, till 7 p.m. On Sunpays, in January, from 2 to 4 PM February, iO a3 480'=, March, ae 12! a BOMss April, se 2 gy BE gy May to August, sy OO ag “Fay September, 33 Oo ip BSBOs, October, ae 2 ogy BE gs November and December, je (26 gage. “A The Museum is closed on Good Friday and Christmas Day. By Order of the Trustees, EH. RAY LANKESTER, Director, LONDON : PRINTED BY WM. CLOWES AND SONS, LTD,, DUKE ST,, STAMFORD ST., S.F,, AND GREAT WINDMILL ST., W. ‘ornell Universi Taman