192 TJNGULATA. 



18 a (0. C.). The left incisor ; from Eschscholtz Bay, Kotzebue 

 (Fig.) Sound, Alaska. Figured in Beechey's 'Voyage to the 

 Pacific and Behring's Straits in H.H.S. ' Blossom ' during 

 the years 1825 to 1828,' vol. ii. pi. ii. fig. 2 (1831). 



Presented by Capt. F. W. Beechey, R.N. 

 It. 3401, 3403. Two incisors ; from Eschscholtz Bay. No history. 



M. 3393. The anterior part of an incisor ; from Eschscholtz Bay. 



No history. 



24577. The right incisor; from Eschscholtz Bay. This specimen 



measures 12 feet 6 inches in length. 

 Presented by Capt. Kellet and Lieut. Wood, R.N., 1850. 



24578. The right incisor ; from Eschscholtz Bay. 



Presented by Capt. Kellet and Lieut. Wood, R.N., 1850. 

 M. 3406. An incisor ; (?) from the Arctic Regions. 



Transferred from the Botanical Department in 1863. 



46230-1. Two incisors; dredged off" the eastern coast. 



Owles Collection. Purchased, 1874. 



M. 1620. Portions of incisors cut into ornaments ; from Siberia. 



Presented by C. Westendarp, Esq., 1884. 



44917. Transverse section of one half of an incisor ; from Siberia. 



Purchased, 1874. 



47403. Transverse section of an incisor ; from Siberia. 



Purchased, 1876. 



M. 3404. The mandible (fig. 32), showing part of the much-worn 

 (Fig.) mT2 and the slightly-worn inT3 of both sides ; dredged off 

 the Dogger Bank in 1837. Described and figured by 

 Charlesworth in the Ann. Mag. Nat. Hist. ser. 2, vol. iii. 

 p. 347, fig. 40 (1839), and figured by Falconer and Cautley 

 in the ' Fauna Antiqua Sivalensis,' pi. xiii. A. fig. 3. There 

 are 18 ridges in j^~3. Purchased. About 1839. 



32496. The mandible, containing m . 3 of both sides ; dredged off 

 Harwich, Essex. Noticed by Leith- Adams, op. cit. p. 44. 

 Purchased. About 1857. 



46193. Part of the right ramus of the mandible, containing ^3 ; 

 dredged off the eastern coast. 



Owles Collection. Purchased, 1874. 



46196. The greater part of the mandible, showing a molar alveolus ; 

 dredged off the eastern coast. 



Owles Collection. Purchased, 1874. 



