534 



INDEX. 



Bats, claws 418 ; Horseshoe bats 

 49 ; see Chiroptera 



Bdellostoma 31, 55 ; teeth 57 



Beak 3 ; birds 329 ; duck 302 ; 

 Siren 168 ; tadpoles of Anura 

 168 ; turtle 215 



Bears 48, 369 ; maims 511 ; pes 

 526 ; sacral vertebrae 452 ; skull 

 479 ; Isabelline mandible 438 



Beaver 47 ; fibula 520 ; humerus 

 502 ; pes 526 ; sacrum 452 ; tail 

 454 



Belodon 39, 211; frontals 277; 

 palate 281 ; vertebrae 275 



Bichir 33 ; see Polypterus 



Bicipital groove, dog 405 



Bilophodont, defined 345 ; teeth of 

 Tapiridae 429 



Bipes 38 ; limbs 289 



Birds, anterior limb 338 ; endo- 

 skeleton 331f.; exoskeleton 328f.; 

 general characters 295 ; hyoid 

 336 ; pectoral girdle 336 ; pelvic 

 girdle 339 ; posterior limb 341 ; 

 ribs 336 ; skull 333 ; sternum 336 ; 

 teeth 330 ; vertebral column 332 



Bison 46 ; occipital crest 468 



Blind snake 38 ; see Typhlops 



Blind worm 38 ; see Anguis 



Boidae 38 



Bombinator 36 ; vertebrae 172 



Bone, development of 10 f. 



Bone cells 10 



Bony Ganoids, fins 105 ; pelvic fin 

 132 ; ribs 126 ; skull 123 ; verte- 

 bral column 114 ; see Holostei 



Border: alveolar , of dog's jaw 

 398 ; coracoid, glenoid, and supra- 

 scapular of dog's scapula 405 



Bos 46 ; occipital crest 468 ; ribs 

 491 ; see Ox 



Bottlenose 44 ; see Hyperoodon 



Bovidae 46 ; pes 523 ; skull 468 



Bow-fin 33 ; see Amia 



Brachial ossicles, cod 103 



Brachium ; see upper arm 



Brachydont, defined 345 ; teeth of 

 Ungulates 429 f. 



Brachycephalus 36 ; bony plates of 

 168 



Brain case, crocodile 245 ; dog 384 ; 

 duck 314 ; frog 154 ; newt 140 ; 

 turtle 224 



Bradypodidae 43 ; see Sloths 

 Brady pus 43 ; cervical vertebrae 



443; pectoral girdle 495; skull 



457 ; thoraco-lumbar vertebrae 



447 

 Branchial arches, Amphibia 180 f . ; 



cod 101 ; dogfish 78 ; fish 120 f. ; 



newt 145; salmon 95 ; basket, 



Marsipobranchii 38 ; skeleton, 



Amphioxus 52 ; Balanoglossus 



50 

 Branchiosaurus 35 ; branchial 



arches 180 



Branchiostegal rays, cod 100 

 Brontops 46 ; see Titanotherium 

 Brontosaurus 38, 207 ; sternum 288 

 Bubalus 46 ; ribs 491 ; see Buffalo 

 Buccal skeleton, Amphioxus 52 

 Buceros 42 ; see Hornbill 

 Buckler, of Labyrinthodonts 168, 



184 

 Buffalo 46; Cape , skeleton of 



492 

 Bufo 36; hyoid 182; jaws 169; 



B. viridis, carpus 186 

 Bufonidae 36 

 Bunodont, defined 345 ; teeth of 



Ungulata 427 f. 

 Buno-selenodont, defined 432 



Caeciliidae 35 



Caiman 39 ; C. latirostris hyoid 

 285, limbs 264, lateral view of 

 skull 248, palatal view of cra- 

 nium and mandible 245, longi- 

 tudinal section of skull 253, 

 pectoral girdle 262, pelvic girdle 

 and sacrum 267 ; C. sclerops, 

 scutes 271 



Ca'ing whale 45 ; see Globicephalus 



Calamoichthys 33 ; distribution 66 



Calamus 302 



Calcaneum 27 ; crocodile 268 ; dog 

 414 



Calcar, of frog 167 



Callorhynchus 32, 66 ; teeth 110 



Camel 45, 359 ; manus 507 ; teeth 

 428 



Camelidae 45 



Camelus 45 ; see Camel 



Camptosauridae 39 



Canal: alisphenoid , dog 402; ca- 

 rotid , duck 315 ;Eustachian , 



