AMERICAN 
JOURNAL OF SCIENCE AND ARTS, 
[THIRD SERIES] 
Arr. XXXVI—On some of the ancient Glaciers of the Sierras ; 
by JosmpH LeConre, Prof. Geol. and Nat. Hist. Univ. of 
California.* With a Map on Plate V. 
region. ‘Two years ago I carried a similar party over nearly 
the same ground. In addition to what has already been made 
known by the Geological Survey, I observed many phenomena 
which I think cannot fail to interest geologists and physicists. 
That I may be clearly understood, I will very briefly descri 
my route.t From Oakland I went immediately to Yosemite, and 
Spent about a week in that valley examining the evidences of 
glacial occupation. In this examination I was greatly assisted, 
| : ong the marg' 
of Little Yosemite Cafion, then up Feldspar valley (F. V.), by 
+ The per (Pla 
cellent chart by Hoffmann and Gardner, issued by J. D. Whitney 
With the publication of the California Geological Survey under his ¢ 
Am. Jour. aig ac a Vou. V, No. 29.—May, 1873, 
