Ml'KlD.K. VKVICOLA. 179 



/>. Skull. England? 



c. Skull. Epping. Presented by J. Hay, Esq. 



d-f. Skulls. England. Presented by Mr. Edward Gerrard. 



g, h. Skeletons. England. Purchased of Mr. Turner. 



i-k. Skulls. S. Germany. From Dr. A. Gunther's Collection. 



/. Skeleton. England. From Mr. Warwick's Collection. 



m, n. Skulls. From the Zoological Society's Collection. 



The Saxin. Arvicola saxatilis. 



Schrenck. Saugth. des Amur-Landes, p. 137. taf. 5. fig. 8 (dentition), 

 1858. 



*a. Skidl. Siberia. 



*b. Skull. 



Arvicola (Hypudaeus) amurensis. 



Schrenck, Saugth. des Amur-Landes, p. 129. pi. 6. fig. 2 a.b (dentition), 



1858. 



Arvicola rnaximowiczii. 



Schrenck, Saugth. des Amur-Landes, p. 141. pi. 6. fig. 5 a, b (denti- 

 tion), 1858. 



The Reddish-grey Arvicole. Arvicola rufo-canus. 

 *a. Skull. Sweden. From the Stockholm Museum. 



Arvicola agrestis. 



Blasius, Faun. Wirb. Deutschl. p. 369. figs. 202-205 (dentition). 

 Arvicola britannicus, Selys, in Blasius, Faun. Wirb. Deutschl. p. 369. 

 fig. 206 (dentition), 1857. 



*a. Skull : var. A. neglecta, Thomps. Pyrenees. 

 b, c. Skulls. From Mr. Yarrell's Collection. 



Arvicola cainpestris. 



Blasius, Anz. der Baier. Akad. der Wiss. zu Miinchen, 1853, p. 107 ; 

 Faun. Wirb. Deutschl. p. 375. figs. 207, 208 (dentition), 1857. 



Arvicola gregalis. 

 Mus gregalis. Pal/as, Glires, i. tab. 27. fig. xvri. 20 (skull), 1778. 



Arvicola lagurus. 



*r<. Skull. 



Arvicola alliarius. 

 Mus alliarius, Pallas, Glires, i. p. 252. tab. 27. fig. x\ ii. 22(skull), 1778. 



