1892 
Sierra 
Nevadas 
(Jalisco) 
Apr* 20 
to 
Apr* 23 
volcano and the trees and ground were covered with a thin coating of 
fine pale gray ashes which gave the scene a strange, uncanny air, 
frees, rocks, and earth all one uniform pale gray with which the 
light; of early morning cast a glamour of unreality ever the mountain- 
side* 
Camped at about 10,000 feet in the firs. Found Arvioola very 
abundant, but the most interesting thing taken this trip were five 
shrews (Sew) found in Arrioola runways. 
Robins (f, migratoria), Sialia sialia, and Setopheps pieha were 
the most common birds high up. 
In the grassy fir belt a species of Sitomys like sonerlensis 
but with long heavy ashy fur ms ©ramson with thousands of An ricola, 
In the oaks are many of a larger species of Sitoraye like 
melanop hrys * Found the large Geomys of the mount© in. to be differ- 
«w*—ftn»>iimwi i.uMr—ni m ^ ** -mm 
ent from those of Zapotlan plain as they are du] 1 choc late in 
/ ^ 
color like those of Colima, and this color bee canes more intense as 
l - • 
the mountains ©re ascended up to about 10,000 feet which is this 
% 
animal»s limit, 
* ‘ ' , * V * ! V j * , ' 
I » ‘ 
fhe heavy oak belt on the north slope of the mountain where my 
work was done is a fine forest growth of large trees with many 
* 
parasitic plants and mossy growths. Scattered about were pines and 
other trees making a pleasing variety of form and foliage. Above 
, , * 
this belt came the firs and birches in irregular growth with 
scattered areas of open slopes between and a luxuriant growth of 
bunch grass between, making a picturesque and characteristic scene. 
Among this grass are the runways of the ^rvJ.cola which are also 
used by the shrews and Sjtop ys found there 
On the 23rd, I returned to Zapotlan, 
rabbit and a cotton-tail were found on the 
A curious white-sided jack- 
plain of Zapotlan, 
