164. Skeleton of an owl. The large bony plates in the sclerotic are shown. 1862. Museum Fund.
165. Skeleton of a kingfisher. 1862. Museum Fund.
166. Skeleton of a robin. 1862. Museum Fund.
167. Cranium of a crow. 1855. Dr. 0. W. Holmes.
168. Skeleton of a parrot; orbit complete. 1862.
Museum Fund.
169. Skeleton of a sickle-billed curlew. 1862.
Museum Fund.
170. Skeleton of a duck. 1862. Museum Fund.
171. Ditto. Merganser duck; bill long and narrow, and the edge serrated. The trachea is shown, dilated midway ; and the lower larynx is largely developed. 1862.
Museum Fund.
172. Typical vertebra. The specimen consists of the dorsal vertebra of a crow, the rib upon each side, with its carti- lage, and the corresponding portion of the sternum. (See Prof. Owen's Archetype and Homologies of the Vertebrate Skeleton ; Fig. 15, p. 82). Prepared by Dr. H. 1855.
Dr. 0. W. Holmes.
173. Bill of an albatross. 1862. Museum Fund.
174. Skeleton of a small tortoise (Emys insculpta).
Dr. 0. W. Holmes.
175. Bones of the plastron of a tortoise (Emys picta) sepa- rated and mounted by Dr. H. 1855.
Dr. 0. W. Holmes.
176. Gopher, from the Southern States. Head and bones of the extremities separated, and the long articular processes
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