674 



4198. The skull of a Polecat (Putorius Furo}. Mm. Brit. 



4199. The skull of a Polecat (Putorius Furo). Presented by Henry Cline, Esq. 



4200. The skull, vertically and longitudinally bisected, of a Polecat (Putorius Furo}. 



The bony tentorium terminates upon the back part of the petrosal, above the deep circular 

 pit for the cerebellar appendage. The rhinencephalic fossa is less distinctly defined than the 

 rest of the cranial cavity ; the olfactory chamber extends backwards both above and beneath 

 that fossa. 



Presented by Prof. Owen, F.R.S. 



The following, to No. 4213 inclusive, are parts of the same skeleton of a Polecat (Putorius 

 Furo) : 



Hunter ian. 



4201. The skull. 



4202. The atlas. 



The vertebral artery perforates the transverse process horizontally, and notches its anterior 

 border before perforating the neural arch. 



4203. The dentata. 4204. A lumbar vertebra. 4205. The sacrum. 



4206. The right scapula. 



It is remarkable for the great breadth and superior size of the lower division of the acro- 

 mion. The glenoid articular surface is continued upon the coracoid tubercle. 



* 



4207. The right humerus. 



The inner condyle is perforated. 



4208. The right radius. 4209. The right ulna. 

 4210. The right os innominatum. 4211. The left femur. 

 4212. The right tibia. 4213. The right fibula. 



