1918] Grinnell: A Synopsis of the Bats of California 351 
Colorado River, 8 miles east of Picacho, 1; San Diego County: Valle- 
cito, 7; Inyo County: Swansea, 1. 
Natural History.—tThe earliest account of the habits of this species 
with which the writer is familiar is that given by Coues (1867, pp. 
ANTROZOUS PALLIDUS 
ANTROZOUS PACIFICUS 
ANTROZOUS (PACIFIOUS?) | 
DISTRIBUTION MAP 
MUSEUM OF VERTEBRATE ZOOLOGY 
UNIVERSITY OF CALIFORNIA s 
Fig. V. Map showing stations of occurrence in California of Antrozous pal- 
lidus and Antrozous pacificus, as established by specimens examined by the author. 
283-284). This author found the desert pallid bat very abundant 
at Fort Yuma, where during the hot months it became a decided 
nuisance. The proximity of the crowded retreats of the bats in the 
chinks and crannies of the officers’ quarters was actually offensive. 
At night the bats fluttered about the rooms by scores, and by day they 
