220 MTJRID^. ARCTOMYS. 



Lumbar vertebrae 7 



Sacral 3 



Caudal 19 



*a. Skull. Missouri, N. America. 



b. Skull. Presented by — Simeon, Esq. 



c. Skull. Presented by Mr. Edward Gerrard. 



d. Skeleton. From the Zoological Society's Collection. 



The Yellow-footed Marmot. Arctomys flaviventris. 

 Baircl, Mamm. N. America, p. 343. pi. 47. fig. 1 (skull), 1859. 



The Whistler. Arctomys pruinosus. 



a. Skull (imperfect). Hudson's Bay. Presented by the Hudson's 



Bay Company. 

 I. Skull. From the Zoological Society's Collection. 



The Shipi or Chupi. Arctomys bobac. 



Blasius, Faun. Wirb. Deutschl. pp. 278, 283. figs. 157, 159 (skull), 

 1857. 



«• ^ \^ll cc \ f u11 of adult I Thibet. Presented by B. H. 



b. bkull without lower jaw. f TT riff "F 



c. The bones of the trunk and skull. J a > h- 



d. e. *Skulls : adult. Bussia. 

 */. Skull : young. Bussia. 



The Thibet Marmot. Arctomys tibetanus. 

 *a. Skull. Thibet. Presented by B. H. Hodgson, Esq. 



The Marmot. Arctomys marmotta. 



D' Alton, Vcrgl. Osteol. pi. 6 (skeleton), pi. 7 (skull). — Blainv., Os- 

 te"og. G. Arctomys, pi. (skull). 



Arctomis marmotta, F. Cui\, Mem. du Mus. ix. p. 293. pi. 14 (skull). 



Arctomys alpinus, F. Cuv., Dents des Mamm. p. 160. no. 54 (denti- 

 tion)," 1825.— Guv., Oss. Foss. v. pi. 1. fig. 2 (teeth). — Owen, Odont. 

 pi. 105 (teeth). 



Arctomys mamiota, Schreb., Saugth. iii. p. 722. no. 1.— Blasius, Faun. 

 Wirb. Deutschl. p. 278. figs. 156, 158 (skull). 



Cervical vertebrae 7 



Dorsal 12 



Lumbar 7 



Sacral 3 



Caudal 18 or 19 



a. Skeleton. Alps. From Mr. Brandt's Collection. 



b. Skull. From the Zoological Society's Collection. 



c. Skull. Switzerland. From Dr. A. Giinther's Collection. 



