EVOTOMYS 641 



extremes of ten adults from Barcelonnette, Basses- Alpes, France : 

 head and body, 110-4 (103-117) ; tail, 55-3 (49-58) ; hind foot, 

 18 "5 (17 '6-18 "6). Five adults from Ceneva, Switzerland: 

 head and body, 114-4 (103-122) ; tail, 47-8 (45-53); hind foot, 

 17-9 (17-18). Seven adults from St. Cergues, Vaud, Switzer- 

 land: head and body, 107 (101-111); tail, 46 (42-50); hind 

 foot, 17*8 (17-4-18-2). For cranial measurements see Table, 

 p. 654. 



Specimens examined. — One hundred and twenty-nine, from the following 

 localities : — 



Switzerland : St. Cergues, Vaud, 27 (U.S.N.M. and IMottaz) ; Geneva, 

 23 (U.S.N.M. and Mottaz). 



Fbance : Montauban, Haute-Savoie, 21 ; Lucinges, Haute-Savoie, 12 ; 

 Cranves-Sales, Haute-Savoie, 12 ; Scieutriers, Haute-Savoie, 8 (Mottaz) ; 

 Barcelonnette, Basses-Alpes, 15 (B.M. and U.S.N.M.) ; Saint Paul, near 

 Barcelonnette, Basses-Alpes, 11. 



EvOTOMYS GLAREOLUS NAGERI Schinz. 



1845. Hypludxus] nageri Schinz, Synops. Mamm., ii, p. 237 (Oberalpsee, 



Urserenthal, Uri, Switzerland). 

 1857. Arvicola glareolus b. Blasius, Saugethiere Deutschlands, p. 337. 

 1862. Myodes bicolor Fatio, Rev. et Mag. de Zool., 2nd ser., xiv, p. 257, 



July, 1862 (Genthal, Berne, Switzerland). Type in Geneva 



Museum. 

 1900. Evotomys nageri Miller, Proc. Washington Acad. Sci., ii, p. 94, 



July 26, 1900. 

 1910. Evotomys nageri Trouessart, Faune Mamm. d'Europe, p. 167. 



Type locality. — Oberalpsee, near Andermatt, Uri, Switzerland. 



Geographical distribution. — -Alps (except westernmost jjortion) 

 and mountains of northern Italy. 



Diagnosis. — Size slightly larger than in Evotomys norvegicus 

 (usual measurements of adults: hind foot, 18-8 to 20 mm.; 

 condylobasal length of skull, 25 to 26-2 mm.) ; third upper 

 molar usually with three re-entrant angles on inner side ; dorsal 

 red ai'ea narrow and dark, the sides of body dull greyish in 

 evident though not conspicuous contrast. 



Colour. — Dorsal stripe rather well defined, extending from 

 forehead to rump, but not showing much tendency to spread 

 laterally. It is cinnamon-rufous slightly varied with pale 

 ' broccoli-brown and inconspicuously darkened by a sprinkling of 

 ! black-tipped hairs ; the resulting colour approaching chestnut, or 

 something lighter and more yellowish. Face, cheeks and sides 



2 T 



