LIST OF OSTEOLOGICAL SPECIMENS. 



43 



Neotoma, Say. 



The Neotoma. Neotoma floridana. 

 Teeth of right lower-jaw. 



Sigmodon, Say. 



The Sigmodon. Sigmodon ~ ? 



* Skull. 



Arvicola, Lacep. 



The Water Rat. Arvicola amphibius. 



* Skull. Altai Mountains. 

 Skull ? 



Skull ? 

 Skull ? 



The Ground Rat. Arvicola terrestris. 



* Skull. Italy. 



The Bank Campagnol. Arvicola glared us. 



* Skull. Isle of Wight. Presented by the Rev. C. Bury. 

 Skull. Epping. Presented by John Ray, Esq. 



The Campagnol. Arvicola arvalis. 

 Skeleton. England ? 

 Skull. England? 



Skull. Epping. Presented by J. Ray, Esq. 



The Saxin. Arvicola saxatilis. 

 Skull. Siberia. 



The Campagnol. Arvicola 



* Skull. Europe ? North America ? 



The Mountain Arvicole. Arvicola monticola. 

 Skull. Pyrenees. 



The Reddish Campagnol. Arvicola rufescens. 

 Skull. St. Gothard. 



The Alpine Arvicole. Arvicola nivalis. 



* Skull. St. Gothard. From the Stockholm Museum. 

 Skull. St. Gothard. From the Stockholm Museum. 

 Skull. St. Gothard. From the Stockholm Museum. 



The Reddish-gray Arvicole. Arvicola rufocanus. 



* Skull. Sweden. From the Stockholm Museum. 



Myodes, Pallas. 



The Hudson's Bay Lemming. Myodes Hudsonius. 



* Skull. Hudson's Bay. Presented by the Hudson's Bay Com- 



pany. 



