231 



54 (0. C.) The middle portion of the cranium, the left ramus of the 



mandible, the ulna, innominate, femur, and tibia ; from 

 Kirkdale Cave, Yorkshire. 



Presented by W. Saltnond, Esq. Before 1836. 



30518-9. Seven rami of the mandible; from the Pleistocene of 

 Hayence. Hastings Collection. Purchased, 1855. 



35682. The greater portion of the right ramus of the mandible ; 

 from Kirkdale Cave. Bean Collection. Purchased, 1859. 



55 (0. C.). Part of the right ramus of the mandible and some detached 



teeth ; from the Bromberg Cave, Posen. 



Sommering Collection. Purchased, 1827. 



M. 1125. Anterior portion of the right ramus of the mandible of an 

 Arvicola, apparently belonging to a small individual of the 

 present species; from the Forest-bed of West Runton, 

 near Cromer, Norfolk. 



Presented by W. Barker, Esq., 1883. 



17643. A considerable portion of the skeleton; from the Forest-bed 

 of Ostend, near Bacton, Norfolk. 



Green Collection. Purchased, 1843. 



15944, 17641, 17626, 18231. Numerous specimens of the upper and 

 lower jaws ; from the Forest-bed of Ostend. There are 

 numerous other specimens from this locality in the same 

 collection, which it has been considered unnecessary to 

 enter in this Catalogue. 



Green Collection. Purchased, 1843. 



36568. Two fragments of the mandible ; said to have been obtained 

 from the Eocene clay of Kyson, Suffolk. There is every 

 probability that these specimens were introduced. 



Purchased, 1853. 



Syn. Arvicola gulielmi, Sanford 2 . 



Five outer and six inner angles in the first lower molar ; four 

 outer and three inner angles in the second upper molar. This 



1 Catalogue Methodique, p. 27 (1853). 



2 Quart. Journ. Geol. Soc. vol. xxvi. p. 125 (1870). 



