EUROPEAN REDBACKED INJICE lOI 



zygomatic breadth 13. S; mastoid breadth 11 ; interorbital constriction 

 4; nasals 5.8; incisive foramen 4.8; diastema 6.6; palatal length 

 10.8; occipital depth (in median line) 7; frontopalatal depth (at 

 middle of molar series) 6; mandible 14; maxillary toothrow (alveoli) 

 5.6; mandibular toothrow (alveoli) 5. 



jMcasurcmcnts. — Average of seventeen specimens from Bruns- 

 wick, Germany : total length 141. 5; tail vertebra? 46.6; hind foot 

 with claws 19; hind foot without claws 18.5. Average of twenty 

 specimens from Marxheim, Bavaria, Germany, total length 137; tail 

 vertebrae 44.3 ; hind foot with claws 18. 8; hind feet without claws 

 i7-8. For details see table, page loS. 



Spechne7is examined. — Eighty-four, from the following localities : 

 Germany, Brunswick, 56 (12 in alcohol); Marxheim (on one of 

 the branches of the upper Danube), Bavaria, 27; Roumania, Bus- 

 tenari, i . 



Remarks. — Evotomys hercy7iicus hercynicus is characterized by 

 its light bright color and narrow, clear rufous dorsal stripe, which in 

 summer is sharply contrasted with the pale sides and rump. 



EVOTOMYS HERCYNICUS SUECICUS subsp. nov. 



Type. — Adult female (skin and skull) no. 85046, United States 

 National Mviseum, collected at Upsala, Sweden, August 6, 1898, by 

 J. Alden Loring. Original number 5009. 



Geographic distribution. — This race is, so far as known, confined 

 to non-boreal Sweden. 



General characters. — Dorsal red area dull ochraceous rufous, 

 narrower than in any of the other forfns of Evotomys hercynicus. 

 Rump and buttocks noticeably gray in contrast with back. Ratio of 

 tail vertebrae to total length 28-30. Size large (hind foot 19 (18), 

 total length 145). Only summer pelage known. 



Color. — Summer pelage : dorsal stripe very narrow, neither sharply 

 defined nor tending to spread over sides. It is dull ochraceous rufous, 

 much lightened by an irregular suffusion of pale wood-brown and very 

 faintly darkened by a sprinkling of black-tipped hairs. Face, cheeks 

 and sides light broccoli-brown, fading abruptly to pale smoke gray on 

 ventral surface. Belly irregularly clouded by the slaty underfur. 

 Rump scarcely darker than sides, well contrasted with dorsal stripe. 

 Feet light gray. A dark shade at ankle. Sides of muzzle veiy 

 faintly yellower than cheeks. Ears thinly haired, essentially like 

 dorsal stripe in color. Tail sharply bicolor, dark brown above, 

 whitish below. Winter pelage not known. 



