SPALACOTKEEIID^. 293 



47748. The anterior portion of the left ramus of the mandible, 

 {Fig.) showing the alveoli of three incisors and the canine, 

 together with three imperfect premolars, the ijnpression 

 of the hinder part of the ramus being shown on the 

 matrix ; from the same locality. Figured by Owen in the 

 ' Mesozoic Mammalia,' pi. i. fig. 35. 



BecJcles Collection. Purchased, 1876. 



Spalacotherium tricuspidens.—a, b, the imperfect left ramus of the mandible, 

 I (the outline nat. size) ; c, d, lateral and upper views of a molar tooth, f ; 

 from the Middle Purbeck of Swanage. (From the ' Quart. Journ. Greol. 

 Soc.') 



47749 "b. Fragment of the right mandibular ramus containing three 



{Fig.) teeth, together with the impression of adjacent portions of 



the mandible ; from the same locality. Figured by Owen, 



01^. cit. pi. i. fig. 36. Same history. 



47749 a. Fragment of the right ramus of the mandible containing 



{Fig.) two true molars, and the impression of the anterior part of 



the ramus ; from the same locality. Figured by Owen, 



op. cit. pi. i. fig. 37. Sccme history, 



47750. Hinder part of the left ramus of the mandible, containing 



{Fig.) the last five true molars ; from the same locality. Figured 



by Owen, op. cit. pi. i. fig. 38. Same history. 



Spalacotherium minus, Owen \ 

 Of smaller size than the preceding ; from which it is also distin- 

 guished by the form of the mandibular ramus. 

 Hab. Europe (England). 



^ Mesozoic Mammaha (Mon. Pal. Soc), P- 28 (1871). 



