BALiEN"!!)^. 19 



28262. The mperfect left periotic ; from Woodbridge. 



PurcJiased^ 1852. 



25587. A smaller periotic, perhaps belonging to B. insignis; from 

 Woodbridge. Presented hy — Laws, Esq., 1857. 



Pi^. 7. 



BaJcBna affinis. 



?3alaena ti^gfapcniSi^, Gray\ 



This species, which may be identical with B. austrcdis, Dcs- 

 monlins", is provisionally recorded by Newton from the Norfolk 

 Torest-bed in the Quart. Journ. Geol. Soc. vol. xlii. p. 321. 



Hab. North Atlantic. 



39361. The conjoint cervical vertebrae in a slightly imperfect con- 

 dition ; from the bed of the Thames at Wapping. This 

 specimen differs from the corresponding vertebral mass of 

 B. mysticetus, No. 40611, and agrees with the figure of 

 the same part in the present species given by Van Bene- 

 den and Gervaisin their ' Osteographie des Cotaces,' pi. vii. 

 figs. 8-11, the characteristic features being the contour 

 of the condylar cups of the atlas, the narrow interval 

 between them, the small nutrient foramen, and the nearly 

 horizontal direction of the inferior border of the lateral 

 arch in the second and third vertebra). Furchased, 1861.. 



1 Proc. Zool. Soc. 1S64, p. 200. 



^ See Flower, List of Cetacea in Brit. Mus. p. 2 (1885). 



c2 



