Two new Voles. 307 



The dimensions (in millimeti-es) as given by the collector 

 are as follows : — 



Head and Hind 



body. Tail. foot. Ear. 



Collector's no. 1. c?, 1st Sept., 1809. 



Bevi, Montenegro, 60 metres .... 130 23 16 10 



Collector's no. 8o (type of species'). J, 

 1st Oct., 1900' Vranici, Monte- 

 negro, 100 m 127 20 l.j 10 



Collector's no. 16. $, 2oth March, 



1900. Doljane, Montenegro, 40 m. 117 24 16 8 



Collector's no. 80. $ , 1st Oct., 1900. 



Vranici, Montenegro, 100 m 140 22 lo 10 



The shull resembles tho.se of M. S >vii ixn(\ suhterraneus^ 

 but is far larger and more massive. It is flattened above. 

 Tlie teeth are powerful. The interparietal is well formed 

 and in shape is almost a true triangle. The palatal fora- 

 mina are slightly contracted posteriorly. The pits at the 

 hinder edge of the palate are well defined. The opening of 

 the posterior nares is V-shaped and broad. The auditory 

 bullae are large. 



The dimensions (in m ill i met re.-) are as follows : — 



Breadth of 

 Greatest brain- Length of Length of 

 Ijeneth ol ' ""' 

 Gre."iteat Basilar Palate 

 length. length. length. 



Collector's no. 85 (type I 2,5 23 -.5 14 



of species) j" "" 



Collector's no. 16 ... . 27 24 14-.5 



Collector's no. 86 .... 26 23 14 



Hah. Montenegro, whence I liave examined specimens 

 caught at Beri, Vranici, and Doljane. 



Type, a female, collector's no. 85. Taken 1st October, 

 1900, at Vranici, Montenegro, by Herr A. Flihrer. 



This is a very interesting vole of peculiar coloration and, 

 for its subgenus, exceptional size. It may be appropriately 

 associated with the name of Mr. Oldfield Thomas, who has 

 done so much to further the accurate study of European 

 mammals. 



II. Microtus [Microtus) Hartingi, sp. n. 



Colour and form resembling that of M. Guentlip.ri^ Danford 

 & Alston, but yellower above and whiter beneath. In the 

 type the upper surface is near grizzled " tawny olive," the 

 grizzled appearance being due to the black tips of the hairs. 

 The under surface is white, slightly washed with yiUowish, 



