INDEX. 



557 



Thyro-hyal, dog 399 



Tibia 26; crocodile 268; dog 412; 



newt 149 ; turtle 235 

 Tibiale 27; see Tarsus 

 Tibio-fibula, frog 166 

 Tibio-tarsus, duck 326 

 Tichorhine Khinoceros 470 

 Tiger 48 



Tiliqua 38; scutes 200, 271 

 Tillodontia 47, 365; femur 520; 



manus 511 ; teeth 435 

 Tinamidae 300; caudal vertebrae 



333 ; vomers 334 

 Tinamiformes 41 

 Tinamus 41 ; ischia 341 

 Titanotheriidae46; skull 470; teeth 



432 

 Titanotherium 46; humerus 501; 



manus 5O8 ; pes 525 

 Toad 36 ; shoulder girdle 185 

 Tope 32 



Torpedinidae 32 

 Torpedo 32, 104 



Tortoise 37; position of limbs 28 

 Tortrix, ischio-pubis 292; traces 



of posterior limb 203 

 Toucan 42; foot 342 

 Toxodon 46, 361; femur 519; pes 



525 ; teeth 432 

 Toxodon tia 46; general characters 



361 ; manus 509; skull 472; teeth 



432 



Toxodontidae 46 

 Trabeculae 11; cranii 17 

 Tragulidae 45 

 Tragulina 45, 359; fibula 519; 



manus 507 ; odontoid process 



445; pes 523; skull 468; teeth 



429; ulna 501 



Transpalatine, crocodile 255; rep- 

 tiles 278 



Trapezium 27 ; dog 408 

 Trapezoid 27 ; dog 408 

 Trichechidae, 48, 369 

 Trichechus 48; see Walrus 

 Triouychia 37 ; general characters 



194 



Trionychidae 37 

 Triomjx 37, 193 f. ; exoskeleton 



214, 270; skull 283; vestiges of 



teeth 274 



Trixaolepi* 32; scales 104 

 Tritylodon 43 ; teeth 348 



Trochanter, dog 412 ; duck 326 



Trochilidae 42 ; 5 see Humming-birds 



Trochlea, crocodile 263; dog 405 f.; 

 duck 323 ; turtle 232 



Trogon, 42 ; foot 342 



Trogonidae 42 



Tropidouotus 38; jaws 280; skull 

 279 



Trunk vertebrae, cod 84; see tho- 

 racic and lumbar vertebrae 



Trygon 32; calcification of verte- 

 brae 114 ; caudal spine 106 



Trygonidae 32 



Tuberosities of humerus, dog 405 ; 

 of ischium, dog 411 



Tunicata 30, 51 



Tupaia, skull 480; thoraco-lumbar 

 vertebrae 450 



Turbinals, dog 395 



Tursiops 45 ; skull 462 



Turtle 37 ; anterior limb 232, 234 ; 

 cranium 222 f., 226; hyoid 231, 

 285; mandible 230; pectoral 

 girdle 231; pelvic girdle 235; 

 pes 236; plastron 217, 218; pos- 

 terior limb 234, 235; sense cap- 

 sules 227; skull 222; vertebral 

 column 219 ; Leathery , see 

 Dermochelys ; Snapping , see 

 Trionyx 



Tylopoda 45, 359 ; fibula 519 ; ma- 

 nus 507 ; odontoid process 445 ; 

 pelvis 514; pes 523; skull 468; 

 teeth 428 ; ulna 502 



Tympanic, dog 392 ; - - cavity, 

 crocodile 250; diagram of mam- 

 malian 391; dog 393; duck 

 315 f.; turtle 228; recess, 

 duck 315 



Tympano-hyal, dog 399 



Typhlopidae 38; scales 270; skull 

 278 



Typhlops 38; ischio-pubis 292; 

 traces of posterior limb 293 



Typotheriidae 46 



Typotherium 46, 358, 361; clavicle 

 495, 497; femur 519; pes 525; 

 skull 472 ; teeth 432 



Udenodon 36, 192 ; beak 271 

 Uintatheriidae 47; skull 364 

 Uintatherium 47; dental formula 

 433; leg 519; limbs and limb 



