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 59 Skull of a Duck (_Anas boschas_) 312 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