Index 



acoustic sense, 68 



adipose cushion, 103, 311 



Alces, HI 



Amblonyx, 30 



Amblyrhynchus, 12 



Anotomys, 24, 37, 185, 277 



antibrachium, 233 



Aonyx, 30 



aquatic reptiles, 20, 138, 191, 273, 307 



Archaeoceti, 25, 41 



Arctonyx, 127 



Argyrocetus, 117 



Artiodactyla, 38 



Arvicola, 24, 36, 185 



Atophyrax, 24, 28, 185, 276 



Aves, 13 



Balaena, 87, 126, 256, 306 



balaenid whale, 134, 153 



Balaenoptera, 57, 79, 96, 134, 172, 303 



baleen, 86 



baleen whale, see Mysticeti 



Basilosaurus, 12, 41, 147, 198, 216, 305 



Bathyergidae, 127 



Batoidea, 13 



bear, sea, see Callorhinus 



beaver, see Castor 



beluga, see Delphinapterus 



Berardius, 172 



Bison, 178, 206 



blackfish, see Globiocephala 



blow hole, 95 



blue whale, see Sibbaldus 



blubber, 57, 311 



bowhead, see Balaena 



Bradypus, 4 



brain, 125, 310 



cachalot, see Physeter 

 carpus, 247 

 Callorhinus, 32, 127 



Carnivora, 12, 30 



capybara, see Hydrochoerus 



Castor, 24, 37, 192, 277 



caudal vertebrae, 196 



Caudata, 12 



Centetes, 299 



cervical vertebrae, 138 



Cetacea, 12, 41, 112, 145, 170, 192, 



216, 255, 302 

 Cetotherium, 120 

 clavicle, 213 

 coypu, see Myocastor 

 Chelonia, 12 



Chimarrogale, 24, 28, 185, 276 

 Chironectes, 24, 26, 185, 277 

 chevron bones, 179, 204 

 Choeropsis, 24, 38 

 Choloepus, 4 

 Cricetidae, 37 

 Crocodilia, 12, 21 

 Crossogale, 24, 28, 185, 276 

 Crossomys, 24, 36, 185, 279 

 Cymbospondylus, 273 

 Cystophora, 242 



Dasymys, 24, 36, 185 

 Delphinapterus, 57, 148, 258 

 Delphinidae, 148 

 Delphinus, 103, 178 

 Dermochelys, 230 

 Desmana, 24, 27, 185, 286 

 Diaphorocetus, 124, 136 

 diaphragm, 321 

 Didelphis, 26 

 digestive system, 313 

 digits, 248, 296 

 diverticula, nasal, 97 

 dorsal fin, 58 

 dugong, see Halicore 



ear, 68 



eared seal, see Otariidae 



[333] 



