552 



INDEX. 



433; 

 449 



thoraco-lumbar vertebrae 



Procavia 47, 363; auditory ossicles 

 487; caudal vertebrae 453; dental 

 formula 432 ; humerus 502; ma- 

 nus 51O; pelvis 514; pes 525; 

 ribs 491 ; scapula 497 ; skull 

 433, 472; tarsus 27; thoraco- 

 lumbar vertebrae 449 



Process, alinasal , firog 158 ; 

 basi-pterygoid , birds 334 ; 

 coracoid , dog 405; coronoid 



(of mandible), dog 398; duck 

 319; coronoid (of ulna), dog 

 408 ; pectineal , duck 326 ; post- 

 frontal , duck 316; postgle- 

 noid , dog 394 ; postorbital 

 (of frontal), dog 388; postorbital 



(of jugal), dog 398; posterior 

 articular , duck 319; zygo- 

 matic , dog 394 



Processus brevis, 486; gracilis 



486; longus, 486; dog 393 

 Procoelous, defined 14 

 Prodelphinus 45; skull 462 

 Proganosauria 37 

 Prone position 29 

 Prongbuck 46 ; horns 417 

 Pro-otic 20; frog 157; turtle 227 

 Pro-pterygium, dogfish 79 

 Proteidae 35 

 Proteles 48; teeth 437 

 Protelidae 48 

 Proterosauridae 37 

 Proterosaurus 37; teeth 198, 274; 



vertebrae 197 

 Proteus 35, 135, 182; branchial 



arches 180 ; digits 187 ; pes 188 ; 



skull 174 

 Protoptervs 34, 70. 117; branchial 



arches 121, 124; fins 130; skull 



124; vestigial gill on pectoral 



girdle 129 

 Prototheria 42; general characters 



346 



Proximal, defined 23 n. 

 Psephurus, distribution 66 

 Pseudopus 38 ; limbs 289 

 Psittaci 42; see Parrots 

 Pteranodon 39, 274 ; pectoral girdle 



289 



Pteranodontidae 39 

 Pteraspis 31, 54 



Pterichthys 31, 55 



Pterocles 42 ; see Sandgrouse 



Pteroclidae 42 



Pterodactylidae 39 



Pterodactylus 39, 213 



Pteropidae 49; skull 481 



Pteropus 49; dental formula 441; 



tail 454 ' 

 Pterosauria 39; general characters 



212; ischia 292; limbs 291; pre- 



orbital vacuity 284; ribs 285; 



sternum 287 ; vertebrae 275 f. 

 Pterotic 20; cod 96; salmon 90 f. 

 Pterygoid, cod 98; crocodile 255; 



dog 397; duck 318; frog 160; 



newt 144 ; salmon 93 ; turtle 230 ; 



fossa, crocodile 255 ; plate, 



dog 388 

 Pterylae 328 

 Pubis 25; crocodile 266 f.; duck 



325; dog 411; frog 165; newt 



149; reptiles 292 ; turtle 235 

 Pygal plate, turtle 217 ; shield, 



turtle 214 

 Pygopodidae 37 

 Pygostyle, duck 307, 312 

 Python 38; ischio-pubis 292; jaws 



280 ; vestiges of limbs 289, 293 

 Pythonomorpha 38; general cha- 

 racters 204; limbs 290; teeth 



273 



Quadrate 22; cod 98; crocodile 

 255; duck 319; frog 160; newt 

 144 ; salmon 93 ; turtle 229 



Quadratojugal 22 ; crocodile 255 ; 

 duck 318; frog 160; turtle 229 



Quill, duck 302 



Babbit 48, 366; pollex 511 

 Kaccoon 369 

 Eachis, duck 302 

 Kachitomous, defined 171 

 Eadiale 27 ; see Carpus 

 Eadialia 115; dogfish 79 f. 

 Eadio-ulna, frog 164 

 Eadius 26; crocodile 265; dog 406; 



duck 323 ; newt 147 ; turtle 233 

 Raia 32 ; calcification of vertebrae 



114 



Eaiidae 32 

 Eana 36 ; see Frog 

 Eanidae 36; shoulder girdle 185 



