INDEX. 



539 



Dinotherium 47, 365 ; dental for- 

 mula 434 ; teeth 345 



Diodon 33 ; beaks 111, I), hystrix, 

 scales 105 



Diphycercal tail 60, 116 



Diphyodont, defined 7, 344 



Diplacanthus 32, 64 



Dipneumona 34 



Dipnoi 34 ; general characters 69 ; 

 pelvic fins 131 ; skull 124 ; spinal 

 column 113 ; tail 116 ; teeth 111 



Dipodidae 47 



Diprotodont 423 



Diprotodontia 43 ; characters 350 



Dipteridae 34, 70 ; cranium 124 ; 

 tail 117 ; teeth 111 



Dipus 47 ; cervical vertebrae 446 ; 

 pes 526 



Discoglossidae 36 



Discoglossus 36 ; ribs 182 ; verte- 

 brae 172 



Distal, defined 23 n. 



Divers 40 ; thoracic vertebrae 332 



Docidophryne 36 ; shoulder girdle 

 and sternum 183 



Dodo 42 ; wing 338 



Dog 48; arm bones 4O7 ; an- 

 terior limb 405 ; atlas and axis 

 379; cranium 384, 389, 396; 

 dentition 375 ; innominate bone 

 41O; leg bones 411; manus 

 408, 413, 511; pectoral girdle 

 404; pelvic girdle 409; pes, 413, 

 414 ; posterior limb 412 ; ribs 402 ; 

 second lumbar vertebra 382; 

 second thoracic vertebra 382; 

 skull 383, 387; sternum 4O3, 

 404 ; vertebral column 378 



Dogfish 64 ; cranium 73 ; exoskele- 

 ton 71 ; median tins 79 ; pectoral 

 girdle and fin 79; pelvic girdle 

 81 ; pelvic fin 81 ; ribs 73 ; skull 

 73, 75 ; vertebral column 72 ; 

 visceral skeleton 77 ; Spotted and 

 Spiny 32 



Dolphin 45, 357; lumbar vertebrae 

 448; Gangetic 45, see Pla- 

 tanista 



Donkey, skull 431 



Dorcaiherium 45 ; manus 507 



Dorsal vertebra 16 



Dorsal shield, crocodile 238 



Down feathers 306 



Draco 38; ribs 286 

 Dromaeognathous 335 

 Dromaeus 40, 299; see Emeu 

 Duck 41, 334; beak 329; claws 

 330; cranium 313; exoskeleton 

 302; pectoral girdle 321; pelvic 

 girdle 324, 311, 325; pes, 327; 

 posterior limb 326; ribs 320; 

 skull 312, 312, 313; sternum 



321, vertebral column 307 ; wing 



322, 304, 305 



Duckbill 43; see Ornithorhynchus 

 Dugong 44 ; humerus 501 ; pelvi 



514; thoraco-lumbar vertebrae 



448 ; see Halicore 

 Duplicidentata 48, 366; dental 



formula 435 ; skull 478 



Eagles 335 



Eared Seals 369; scapula 498; see 

 Otariidae 



Echidna 43; caudal vertebrae 453; 

 manus 504; pelvis 513; sacral 

 vertebrae 451; shoulder-girdle and 

 sternum 494 ; skull 455 ; spines 

 417 ; spur 418 ; thoraco-lumbar 

 vertebrae 447 



Echidnidae 43; pes 521 



Ectethmoid 21 n. 



Ectocondylar ridge, dog 406 



Edentata 43 ; auditory ossicles 487 ; 

 arm bones 500; caudal vertebrae 

 453 ; cervical vertebrae 443 ; ma- 

 nus 504 ; pectoral girdle 495 ; pes 

 522; pelvis 513; ribs 491; sa- 

 crum 452; skull 457; sternum 

 489; teeth 424; thigh and shin 

 517; thoraco-lumbar vertebrae 

 447 



Eel 33 ; scales 105 



Elasmobranchii 31 ; cranium 118 f. ; 

 clasper 132 ; general characters 

 61; pelvic fins 131; ribs 125; 

 teeth 109; vertebral column 113 f. ; 

 visceral arches 120 



Elasnwtherium 46 ', mesethmoid 470 



Elephant 47 ; auditory ossicles 487; 

 caudal vertebrae 453 ; ribs 491 ; 

 skull 473 f., 474 and 475 ; tusks 

 420 ; see also Proboscidea 



Elephantidae 47 



Elephas47, 364; dental formula 434; 

 E. plantfron* 435 ; see Elephant 



