PITYMYS 755 



Upper incisors unusually long, and so strongly 

 projecting as to be a highly conspicuous 

 feature of skull as viewed from above. 

 Condylobasal length of fully adult skulls 



about 23 mm. (South-eastern Prance) P. provincialise . 785. 



Condylobasal length of fully adult skulls 



24 to 26-5 mm. 



Size large, condylobasal length of largest 



skulls about 26 '5 mm.; transverse 



diameter of auditory bulla about 7 mm. 



(Montenegro) P. thomasi, p. 786. 



Size medium, condylobasal length of largest 

 skulls not more than 25 mm. ; trans- 

 verse diameter of auditory bulla about 

 6 mm. or less. 

 Occiput so obliquely truncate that con- 

 dyles are conspicuous when skull is 

 viewed from above ; interparietal 

 narrowly ligulate (South - eastern 

 France) P. duodecimcostatus, 



Occiput not very obliquely truncate, so P" ™ ■ 

 that condyles are not highly con- 

 spicuous when skull is viewed from 

 above ; interparietal broadly ligulate 



or somewhat lozenge-shaped P. ibericus, p. 780. 



Length of upper tooth-row about 5 - 4 



mm. (Granada, Spain) P. i. regulus, p. 784. 



Length of upper tooth-row 6 to 6 • 4 mm. 

 Colour above a dark bister brown 



(Dehesa de Valencia, Spain) P. i.pascuus, p. 783. 



Colour above a light yellowish brown. 



General colour above hair-brown 



with or without a buffy cast 



(Central Spain) P. i. centralis, p. 782. 



General colour above a pale buffy 

 broccoli-brown or drab (South- 

 eastern Spain) P. i. ibericus, p. 782. 



PITYMYS SUBTERRANEUS de Selys-Longchamps. 

 (Synonymy under subspecies.) 



Geographical distribution. — Central Europe from Belgium to 

 central France, eastward through Switzerland to Transylvania. 

 Details of distribution imperfectly known. 



Diagnosis. — Size small (hind foot usually about 14*5 to 

 15 ■ 5 mm., condylobasal length of largest skulls, 22 to 23 • 4 mm.) ; 

 skull slender and lightly built, depressed, the dorsal profile nearly 

 flat or at most only a little convex from nasals backward ; brain- 

 case much depressed, its depth including auditory bulke about 

 65 per cent of occipital breadth ; third upper molar noticeably 

 longer than second, normally with three closed triangles, its 

 posterior loop elongated ■ and with deep inner re-entrant angle ; 

 general colour a clear dark brown without noticeable suffusion of 

 buffy ; feet dusky, not contrasting with colour of back. 



External characters. — General external form essentially as in 



3 c 2 



