Holst’s Studies in Glacial Geology. 705 
A. oregonus), its anterior border becoming continuous with the 
anterior base of the auricle, thus forming a low rim in front of the 
meatus as in A. oregonus and Synaptomys cooperi. Fur every- 
where long, full, and soft. 
Color. —U pper parts everywhere uniform pale buffy-gray, slightly 
grizzled by the admixture of black-tipped hairs; under parts 
white, the plumbeous color of the base showing through in places 
on the belly ; tail more or less obscurely bicolor. 
Measurements of four specimens from Fort Buford, Dakota, all 
adults. Measurementsin Millimetres. 
Measured in the flesh.{ Measured from the dry skin. 
No. Sex.| Total |Tail to end of| Tail |Hind Height of ear Date. 
length: vertebra. j|pencil.| foot.| from crown 
HH} 6 | #124 25 6.5 (18.25 5.5 Sept. 8, 1887 
471 9 121 20 7.5 6. 410, 
Hi â 133 25 8.5 |18.7 5. oe eee 
Hlg 127 25 7.5 118 5.5 a eae 
DR. N. O. HOLST’S STUDIES IN GLACIAL 
GEOLOGY. 
BY DR. JOSUA. LINDAHL. 
(Continued from July No.) 
D. The moraines.—There is a marked difference between the 
topographical conditions of Sweden and Greenland. The latter 
esi is all mountains. Large flat lands are nowhere to be seen, 
mountains rising at once to a great altitude.! As a rule one 
hi E. Nordenskiöld : Studier och forskningar, föranledda af mina 
r i höga norden, Stockholm, 1883. Pp. 63-124. e 
