INDEX 
603 
Sealskin, 9 
Sea Serpent, 368 
Selenodont, 272 
Selenodontia, 280 
Semnopithecus, 568; S. entellus, 668; S. 
schistaceus, 569 
Sewellel, 469 
Sheep, Barbary, Blanford’s, . and other 
species of, 321 f. 
Shoulder girdle, 35; of Ornithorhynchus, 
34; of Hchidna, 37 
Shrew, 518; Elephant-, 515 
Siamang, 571 
Sibbald’s Rorqual, 2, 356 
Sigmodon, 479 
Simia satyrus, 580, 581 ; skeleton of, 582 ; 
skull of, 583 ; nest of, 583 
Simiidae, 570 
Simocyon, 423 
Simplicidentata, 462 f. 
Sing-sing Antelope, 510 
Siphneus, 479 
Sirenia, 333 f. 
Sivatherium, 306 
Size, of Mammals, 2; progressive secular 
increase in, 103 ; of Whales, 342 
Skull, 25 ; of Human embryo, 27 ; of adult, 
586; of Dog, 25, 29; comparison of, 
with that of Anomodontia, 28 
Skunk, 439 
Sloth, 170; Ground-, 180 
Smilodon, 402 ; S. neogaeus, 402 
Smninthopsis, 153 ; S. virginiae, 153 
Sininthus, 486 
Smutsia, 188 
Solenodon, 514 ; S. eubanus, 514 
Solenodontidae, 513 
Sorex, 518 ; S. alpinus, 519; S. minutus, 
519; S. vulgaris, 519 
Soricidae, 518 
Soriculus, 518 
Sotalia, 378; S. gadamu, 379; S. gui- 
anensis, 378; S. lentiginosa, 379; 8S. 
pallida, 382 ; S. sinensis, 378; S. teiszi, 
378 
Souslik, 464 
Spalacidae, 482 
Spalacopus, 487 ; S. poeppigi, 487 
Spalacotherium, 99 
Spalax, 482; S. typhlus, 482 
Sparassodonta, 160 
Speke’s Antelope, 315 f. 
Speothos, 423 
Sperm Whale, 363 
Spermaceti, 363 
Spermophilus, 464; S. tredecimlineatus, 
465 
Sphingurus, 498; S. prehensilis, 498 f. 
Spider. Monkey, 558 
Spiny Anteater ; see Hehidna 
Springbok, 312 
Squalodon, 384 
Squalodontidae, 384 
Squamata, 188 
Squirrel, 463 ; Pygmy, 464 ; Ground, 464 ; 
Flying, 466 
Steatomys, 473, 476 
Stegodon, 229 ; S. ganesa, 229 
Steinbok, 310 
Steller’s Sea-cow, 338 
Steno, 379; S. perniger, 379 
Stenodelphis, 382 
Stenoplesictis, 441 
Stenops, 545 
Stenorhynchus, 453 
Stentor, 558 
Stereognathus, 99 
Sternum, 31; of Whales, 32, 
Dugong, 33 
Stoat, 456 
Stomach, 62; of various mammals, 63 ; 
of Whales, 347 
Strepsiceros, 316 5 
kudu, 316 
Stylacodon, 99 n 
Stylinodon, 193; S. eylindrifer, 193; 8. 
mirus, 193 
Stylinodontidae, 191 
Sublingua, 61 
Suidae, 275 
Suricata, 410; S. tetradactyla, 411 
Sus, 275; S. barbatus, 276; S. eryman- 
thius, 279; S. salvania, 276 ; 5. scrofa, 
275; S. sennaariensis,- 275; S. ver- 
pucosus, 276; S. vittatus, 276 
Synaptomys, 479 
Synetheres, 498 
Synotus, 529 ; S. barbastellus, 522, 529 
Systemodon, 250 
. 
33, 352; of 
SN. iinberbis, 316; 8. 
Tachyoryctes, 483 
Talpa, 517 ; T. ewropaea, 517 
Talpidae, 516 
Tamandua, 167 ; sternum of, 168 
Tamarin, 556 
Tamias, 464 
Taphozous, 531 
Tapir, 11 
Tapiridae, 250 
Tapirus, 250; T. bairdi, 251 ; T. dowi, 
251; T. ecuadorensis, 251 n.; T. indicus, 
252: T. leucogenys, 251 n.; T. roulini, 
251; T. terrestris, 251 
Tarsiidae, 550 
Tarsipedinae, 140, 145 
Tursipes, 145 
Tarsius, 550; T. spectrum, foot of, 551 
Tasmanian, Devil, 151; Wolf, 150 
Tatusia, 173 ; T. novemcincta, 178 
Taurotragus oryx, 316 n. 
Taxidea, 438 
Tayra, 433 
Teeth, 43; minute structure of, 44; 
development of, 52 ; brachyodont (with 
