59 



Physodon grandis (Du Bus 1 ). 



Syn. Palaodelphis yrandis, Du Bus 2 . 



The teeth are elongated, somewhat slender, markedly curved 

 superiorly, and slightly compressed laterally ; the enamel is very 

 finely grooved, and the pulp-cavity is scarcely ever completely closed 

 inferiorly. 



Hob. Europe (Belgium and England). 



The following specimens are from the Red Crag of the Eastern 

 Counties ; they agree so closely with the specimen figured by Van 

 Beneden and Gervais in their ' Osteographie des Cetaces,' pi. xx. 

 fig. 21, that at least the majority of them may be pretty safely 

 referred to the same species. 



27855. A tooth, with part of the cement chipped off; from Felix- 

 stowe, Suffolk. This and the following specimens are 

 noticed by the present writer in the ' Quart. Journ. Geol. 

 Soc.' vol. xliii. p. 14. 



Presented by John Brown, Esq., 1852. 



28256. The greater part of a rolled and partially- worn tooth ; from 

 Woodbridge, Suffolk. Purchased, 1852. 



49979. The upper half of a rolled, although unworn tooth ; from 

 Suffolk. Purchased, 1875. 



44045. The upper half of a partially-worn tooth ; from Suffolk. 



Purchased, 1873. 



44040. The crown of a partially- worn tooth ; from Suffolk. The 

 base has been cut and polished. Purchased, 1873. 



44615-6, 43404, 43404 a. Four specimens of the crowns of teeth; 

 from Suffolk. Purchased. 



Physodon fusiformis (Du Bus 3 ). 



Syn. Palceodelphis fusiformis, Du Bus 4 . 



The teeth are fusiform, comparatively thick in the middle, and 

 pointed at the two extremities, with a nearly cylindrical transverse 

 section ; in some examples the crown is curved, but others are 



1 Bull. Ac. E. Belg. ser. '2, vol. xxxiv. p. 503 (1872). Palaodelphis. 



2 Loc. cit. 3 Loc. cit. Pal&odclpkis. 

 4 Loc. cit. 



