OCR Text |
Show 1880.] THE MAMMALS OF ASIA MINOR. 63 Ears moderate, well haired towards their margin, showing distinctly above the fur. Tail hardly longer than the hind foot, and a little more than one fifth the length of the head and body. Soles densely haired almost to the roots of the toes ; fore feet with five tubercles, arranged three and two, besides the very small rudimentary thumb, which has no nail; hind feet with five tubercles closely set, and arranged two, two, and one (fig. 7, c). a Arvicola guentheri. a, upper molars; b, lower molars (magnified six diameters); c, sole of hind foot (natural size). Teeth very similar to those of A. arvalis, the molar pattern being :- Upper I. 5 prisms, 6 angles. Lower I. 9 prisms, 9 angles. ,, 11. 4 ,, o ,, ,, 11. o ,, O ,, „ III. 6 „ 7 „ „ III. 3 „ 3 „ But the posterior prisms of the first and second upper molars are dilated behind, and that of the third is produced behind its internal projection. The first three prisms of the first lower molar are imperfectly separated (fig. 7, a, b). Upper parts yellowish mouse-grey, the tips of the hairs being either light fawn or black; on the flanks this colour passes insensibly into the greyish white of the lower parts, which is slightly washed with yellow on the belly. Feet greyish white. Tail rather thinly clad with short white hairs ; these are mixed on its upper surface with dusky hairs, which are most conspicuous near the point. Measurements (in spirits) :- inehes. inches. Length of head and body .... 4*00 4*25 tail *82 -77 ear *40 *42 „ hind foot '75 '75 |