420 Mr. G. S. Miller on 



the original description of Mus glareoJus, Sclireber^, dis- 

 appear t, '>nd the name Evofomys glareolus becomes available 

 for the small European red-backed voles, and in a sub=;pecific 

 sense for tlie dark western continental form. The Ecotomys 

 hercynkus of my preliminary revision is thus left unnamed. 

 Its range appears to be about coincident with the drainage 

 system of the Danube. 



Mtcrotus sarnius, sp. n. 



Type. — Adult male (skin and skull). B.M. no. 8. 9. 2. 27. 

 Collected at St. Martin's, Guernsey, Channel Islands, July 23, 

 1908, by R. II. Bunting. Original number 52. Presented 

 by Oldrteld Thomas. 



Characters. — Like the large forms of Microtus agresti's 

 (condylo-basal length of skull about 28 mm.), but middle 

 upper molar with second inner triangle absent; colour above 

 essentially as in M. agresti's agrestis, though somewhat less 

 dark and reddish; underparts a strongly contrasted light grey 

 (nearly the grey no. 9 of Ridgway). 



Measurements. — Type. Head and body 118 mm. ; tail 42 ; 

 hind foot 18'5 ; condylo-basal length of skull 27'8 ; zygo- 

 matic breadth 16-0 ; mandible 17'4 ; maxillary tooth-row 

 (alveoli) 6*8 ; mandibular tooth-row (alveoli) 6'8. 



Specimens examined. — Eight, all from tlie island of 

 Guernsey. 



Remarks. — While its external and cranial characters show 

 that this species is a member of the Microtus agrestia group, 

 the pattern of its enamel folding is exactly similar to that of 

 M. arvalis. In the suppression of the second inner triangle 

 of m^ it shows the extreme of a tendency the exact opposite 

 to that which has produced the local Hebridean form, 

 M. agrestis exsul. The eight specimens, though representing 

 all ages from less than halt-grown young to fully adult, show 

 no noteworthy variation in colour or in teeth. 



Pitymys provincialis, sp. n. 



2'ype. — Adult female (skin and skull). B.M. no. 8.8.4.2G5. 

 Collected at St. Gilles, Gard, France, April 26, 1908, by 

 G. S. Miller. Original number 7605. 



Characters. — A small member of the Pitymys ibericus 

 group (hind foot about 14"6 mm. ; condylo-basal length of 



* ' SaugetLiere,' iv. p. 6S0. 



t Specimens callected by Mr. Oldtield Thomas at Hillerod, Zealand, 

 exactly agree with the indication " cinnamon-brown "' (zimmtbraun) of 

 Schreber's accoun". 



