576 llODENTIA 



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 oidy 



FlG. 114. 

 Glis ijlis. Cheek-teetli. X 10. 



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

 longer and all the ridges better developed than in m^. 



BcmarJcs. — 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 RACES OF GLIS GLIS. 



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

 dylobasal length of skull usually 35 to 39 mm. 



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



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

 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) G. g. italicus, 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. 



