53 Hyoids of an Alligator (_Caiman latirostris_), and of a Green Turtle (_Chelone midas_) 285
54 Ventral view of the shoulder-girdle and sternum of _Loemanctus longipes_ 287
55 Left half of the skeleton of a Common Fowl (_Gallus bankiva_) 301 56 The wing of a Wild Duck (_Anas boschas_) 304
57 Wings of a Wild Duck with the coverts removed (_Anas boschas_) 305
58 Dorsal and ventral views of the pelvis and sacrum of a Duck (_Anas boschas_) 311
60 A, Ventral view of the cranium of a Duck (_Anas boschas_); B, Cranium and mandible seen from the left side 313
61 Lateral view of the pelvis and sacrum of a Duck (_Anas boschas_) 325 62 Third cervical vertebra of an Ostrich (_Struthio camelus_) 331
63 Shoulder-girdle and sternum of A, Black Vulture (_Vultur cinereus_); B, Peacock (_Pavo cristatus_); C, Pelican (_Pelicanus conspicillatus_) 337
64 Bones of the right wing of A, a Penguin; B, an Ostrich (_Struthio camelus_) and C, a Gannet (_Sula alba_) 339
65 Pelvic girdle and sacrum of A, Cassowary (_Casuarius galeatus_); B, Owen's Apteryx (_A. oweni_); C, Broad-billed Rhea (_R. macrorhyncha_); D, Ostrich (_Struthio camelus_) 340
66 Ventral view of the shoulder-girdle and sternum of a Duckbill (_Ornithorhynchus paradoxus_) 347
67 Cervical vertebrae of a Ca'ing Whale (_Globicephalus melas_) 354
68 Dentition of a Dog (_Canis familiaris_) 375
69 Atlas and axis vertebrae of a Dog (_Canis familiaris_) 379
70 Second thoracic and second lumbar vertebrae of a Dog (_Canis familiaris_) 382
71 Diagram of the relations of the principal bones in the Mammalian skull 385
72 Vertical longitudinal section through skull of a Dog (_Canis familiaris_) 387
73 Dorsal view of the cranium of a Dog (_Canis familiaris_) 389
74 Diagram of the mammalian tympanic cavity and associated bones 391
75 Ventral view of the cranium of a Dog (_Canis familiaris_) 396
76 Sternum and sternal ribs of a Dog (_Canis familiaris_) 403
77 Bones of the left upper arm and fore-arm of a Dog (_Canis familiaris_) 407
78 Right innominate bone, A, of a full-grown Terrier; B, of a Collie Puppy 410
79 Left leg bones of a Dog (_Canis familiaris_) 411
80 A, Right manus; B, Right pes of a Dog (_Canis familiaris_) 413
81 Skull of a young Indian Rhinoceros (_R. unicornis_) showing the change of the dentition 421