556 



INDEX. 



Striges 42 ; see Owls 



Stringops 42 ; sternum 336 



Struthio 40, 299 ; see Ostrich 



Struthiornithes 40, 299 



Sturgeon 32 ; see Acipenser 



Stylo-hyal, dog 399 



Suborbital bar, duck 318 ; ridge, 



dogfish 76 



Subplantigrade, defined 358 n. 

 Subungulata 46; arm bones 502; 



general characters 360 ; manus 



509; pelvis 514; pes525; shoulder 



girdle 497 ; skull 471 ; teeth 432 ; 



thigh and shin 519 

 Suidae 45 

 Suina 45, 358 f. ; fibula 519 ; manus 



507; odontoid process 445 ; pelvis 



514; pes 523; ulna 501 

 Sula 41 ; see Gannet 

 Supinator ridge, dog 406 

 Supine position, defined 29 

 Supra-angular 22 ; crocodile 258 ; 



duck 319 ; turtle 230 f. 

 Supracaudal shield, turtle 214 

 Supraclavicle, cod 102 

 Supra- occipital 19; crocodile 247; 



dog 386 ; duck 315 ; turtle 224 

 Supra-orbital 20 ; crocodile 251 

 Suprapharyngeal bone, cod 101 

 Suprascapula, crocodile 263 ; frog 



162 

 Supratemporal arcade, crocodile 



256 ; reptiles 281 

 Surinam toad 36 ; see Pipa 

 Sus 45; dental formula 428; see 



Pig 



Suspensorium, Amphibia 173; dog- 

 fish 78 ; duck 319 ; frog 160 ; newt 



144 ; Pisces 61 

 Sutures 12 

 Swan 41; cervical and thoracic 



vertebrae 332 

 Swift 42, 335 ; foot 342 

 Symplectic, cod 100 ; salmon 94 



Tails, fish 60 



Talpa 49; pelvis 515; see Mole 



Talpidae 49 



Tapir 46, 360; malleus 487; pes 



524, 525 ; teeth 345 ; see Tapirus 

 Tapiridae 46 ; dental formula 429 

 Tapirus 46 ; fibula 519 ; manus 



508 ; skull 471 ; see Tapir 



Tarsier 49 



Tarsiidae 49 



Tarsipes 43, 349 ; mandible 457 



Tarsius, 49, 372 ; pes 527 



Tarso-metatarsus, duck 327 



Tarsus 26 f. ; crocodile 268 ; dog 

 414; frog 166; newt 150; turtle 

 236 



Tasmanian devil, 43; see Sarco- 

 pliilus; wolf 43; see Thylacinus 



Tatusia 44 ; stapes 487 ; teeth 424 



Tectospondyli 114 



Tectrices, duck 306 



Teeth 6 ; Amphibia 169 ; birds 330; 

 cod 83; crocodile 238; develop- 

 ment 7 ; dog 374 f. ; fish 106 f. ; 

 frog 158 f. ; horses 5 ; mammals 

 344, 420 f. ; pharyngeal 8 ; rep- 

 tiles 272 f . ; structure 4 ; succes- 

 sion 7 



Teleosauridae 39 



Teleosaurus 39 ; palate 281 ; scutes- 

 271 ; vertebrae 275 



Teleostei 33 ; general characters 

 69; ribs 126; skull 124; tail 

 117; teeth 110; vertebral column 

 115 



Temnospondyli 35 



Tenrec 49; see Centetex 



Tentorium, dog 392 



Terrapin 37 



Testudo 37, 194 



Tetraceros 46 ; horns 417 



Thalassochelys, carapace 216 



Thecodont, defined 273 



Theriodontia 36 



Theromorpha 36; general charac- 

 ters 191; humerus 290; pectoral 

 girdle 288; ribs 285; skull 278; 

 teeth 273 ; vertebral column 275 f . 



Theropoda 38; general characters 

 207 ; teeth 273 



Thoracic ribs, crocodile 259; see 

 Bibs ; vertebrae 16 ; crocodile 

 241, 242; dog 381, 382; duck 

 310; turtle 221 



Thoraco- lumbar vertebrae, mam- 

 mals 447 f. 



Thornback skate 104 



Thylacinus 43; atlas 443; dental 

 formula 423; pelvis 513; pes. 

 521 ; skull 456 



Thylacoleo 43; skull 457 



