220 MURID#.—ARCTOMYS. 
Lumbar vertebra... ........-. 7 
DACEADS 6 peatsecasied wo xaaeeeds oh eae wel ON 3 
Caudal hs icin ae dae agene aaORES 19 
*qa. Skull, Missouri, N. America. 
6. Skull. Presented by — Simeon, Esq. 
¢. Skull. Presented by Mr. Edward Gerrard. 
d. Skeleton. From the Zoological Society’s Collection. 
The YELLow-FoorED Marmor. Arctomys flaviventris. 
Baird, Mamm. N. America, p. 848. pl. 47. fig. 1 (skull), 1859. 
The WuistiteR. Arctomys pruinosus. 
a. Skull (imperfect). Hudson’s Bay. Presented by the Hudson’s 
Bay Company. 
b. Skull. From the Zoological Society’s Collection. 
The Surrr or Cavrr. Arctomys bobac. 
Blasius, Faun. Wirb. Deutschl. pp. 278, 283. figs. 157, 159 (skull), 
1857. 
a. An imperfect skull of adult. : 
6. Skull without lower jaw. ae ae ee 
ce. The bones of the trunk and skull. i a a 
d,e. *Skulls: adult. Russia. 
*f. Skull: young. Russia. 
The Turner Marmor. Arctomys tibetanus. 
*q, Skull. Thibet. Presented by B. H. Hodgson, Esq. 
The Marmor. Arctomys marmotta. 
D' Alton, Vergl. Osteol. pl. Catia pl. 7 (skull).—Blainv., Os- 
téog. G. Arctomys, pl. (s F 
Arctomis marmotta, F. Cuv., Mém. du Mus. ix. p. 293. pl. 14 (skull). 
Arctomys alpinus, F. Cuv., Dents des Mamm. p. 160. no. 54 (denti- 
tion), 1825.— Cuv., Oss, Foss. v. pl. 1. fig. 2 (teeth),— Owen, Odont. 
pl. 105 (teeth). 
Arctomys marmota, Schreb., Sdéugth. iii. p. 722. no. 1.—Blasius, Faun. 
Wirb. Deutschl. p. 278. figs. 156, 158 (skull). 
Cervical vertebre.............. 7 
DOval gece 4 cisco gist cad eed seed th. tg rg 12 
Lumban sau sexes idaaweeewton: 7 
ISQOHAL, | s2ehevee cecal ale teen ail athens 3 
Cad also onieck cree GunGuasiay ached 18 or 19 
a. Skeleton. Alps. From Mr. Brandt’s Collection. 
b. Skull. From the Zoological Society’s Collection. 
ce. Skull. Switzerland. From Dr. A. Giinther’s Collection. 
