576 



RODKNTIA 



arrangement reversed, the thicker more tuberculate termination 

 of ridges at outer side of crown, and none of the intermediate 

 ridges extending to border ; lower premolar usually with only 



Glis glis. 



FIG. 114. 

 Cheek-teeth. X 10. 



two incomplete ridges (the second and third) ; m 3 with crown 

 longer and all the ridges better developed than in to 3 . 



Bemarhs. — Glis glis is immediately recognizable among 

 European members of the family by its large size, squirrel-like 

 aspect, and the absence of dark markings on face. Three local 

 races are known to occur in Europe and a fourth in Asia Minor. 

 A fifth, which I have not seen, has been described from northern 

 Spain. 



KEY TO THE EUROPEAN EACES OP GLIS GLIS. 



Size medium, hind foot usually less than 30 mm. ; con- 

 dylobasal length of skull usually 35 to 39 mm. 



(Central Europe, south to northern Italy) G. glis glis, p. 577. 



Size large, hind foot usually more than 30 mm. ; oondy- 

 lobasal length of skull usually 39 ■ 6 to 44 mm. 

 Skull frequently more than 42 mm. in condylobasal 

 length ; dark terminal area of tail often involving 



distal half or more (Italy and Sicily) 0. g. italicw, p. 578. 



Skull rarely more than 41 mm. in condylobasal 

 length ; dark terminal area of tail usually con- 

 fined to distal third or less (Sardinia) G.g. melonii, p. 579. 



