INDEX. 



533 



Arcifera 36, 185 



Arctoidea 48, 369 ; teeth 438 



A rdea 41 ; see Heron 



Ardeae 41 



Arm, see fore-arm and upper arm 



Armadillo 44, 352 ; cervical verte- 

 brae 443 ; femur 517 ; humerus 

 501 ; lumbar vertebrae 447 ; ma- 

 nus 505 , pectoral girdle 495 ; 

 pelvis 513 ; ribs 491 ; sacrum 

 452 ; scales 417 ; scutes 419 ; 

 skull 459 ; teeth 424 



Armour plates 8 



Arthrodira 34 ; characters 70 



Articular 22 ; cod 100 ; crocodile 

 258; duck 319; newt 144; sal- 

 mon 94 ; turtle 231 



Avtiodactyla 45 ; characters 358 ; 

 manus 506 ; odontoid process 

 445 ; pes 522 ; ribs 491 ; skull 

 465 ; teeth 427 ; thoraco-lumbar 

 vertebrae 448 



Asses 360 



Asterolepis 31, 55 



Asterospondyli 114 



Astragalus 27 ; crocodile 268 ; dog 

 414 ; mammals 521 



Astrapotheriidae 46 



Astrapotherium 46, 361 ; dental 

 formula 432 : femur 519 ; pes 

 525 



Ateles 49 ; pollex 512 ; tail 454 



Atlantosauridae 38 



Atlas 15; crocodile 240 ; dog 379, 

 380 ; duck 309 ; ox 445 ; turtle 

 219 



Attachment of teeth 4 ; in fish 107 



Auchenia 45 ; see Llama 



Auditory aperture or meatus : ex- 

 ternal , crocodile 250 ; dog 402 ; 

 turtle 228 ; internal , crocodile 

 246, 251 ; dog 392 ; turtle 228 



Auditory capsule 20 ; cod 96 ; cro- 

 codile 250 ; dog 390 ; dogfish 74; 

 frog 156 ; newt 143 ; turtle 227 



Auditory ossicles, crocodile 251 ; 

 dog 393; duck 320; mammals 

 485 f . ; turtle 228 



Auks 42 ; thoracic vertebrae 332 



Autostylic 61, 119 



Aves 40 ; characters 295 ; see Birds 



Axial skeletal rods 50 



Axial skeleton, crocodile 239 ; cod 



83 ; dog 377 ; dogfish 72 ; duck 



307 ; frog 152 ; newt 138 ; turtle 



218 

 Axis vertebra, crocodile 241 ; dog 



380 ; duck 309 ; turtle 220 

 Axolotl 35 ', see Siredon 

 Aye Aye 49 ; see Chiromys 



Babirussa 45 ; dental formula 428 



Baboon 49 ; see Cynocephalus 



Balanoglossus 30, 50 



Balaena 44, 357; scapula 495; 

 B. mysticetus baleen 419 



Balaenidae 44 



Balaenoidea 44 ; general characters 

 356 



Balaenoptera 44, 357 ; manus 506 ; 

 thoracic vertebrae 448; scapula 

 495 ; B. musculus, cervical verte- 

 brae 444 



Baleen 3, 418 



Balistes 33 ; teeth 111 



Balistidae 33 



Ball and socket joints 13 



Bandicoot 43 



Barb 302 



Barbule 303 



Barramunda 34 ; see Ceratodus 



Basalia, dogfish 79 



Basi-branchial, dogfish 78 ; cod 101 ; 

 duck 320 ; newt 145 ; salmon 95 



Basi-branchiostegal, cod 101; sal- 

 mon 95 



Basicranial axis 19 ; dog 384 



Basidorsalia, dogfish 72 



Basi-hyal, dogfish 78 ; dog 399 ; 

 duck 320 



Basilar plate 17 



Basilingual plate, Anura 180 ; cro- 

 codile 259 ; frog 161 ; turtle 231 



Basi-occipital 19 ; crocodile 246 ; 

 cod 97; dog 386; duck 315; 

 salmon 89 ; turtle 224 



Basipterygium, cod 103 ; dogfish 82 



Basisphenoid 19 ; crocodile 247 ; 

 dog 386 ; salmon 91 ; turtle 225 



Bastard wing, duck 304 



Bathyerginae, palate 366 



Bathyergus 47 ; auditory ossicles 

 488 ; manus 511 



Batoidei 32, 64 



Batraclioseps 35 ; teeth 169 



