Quast 1948 Tadarida mexicana 5 June 13 Tadarida lentoo, 50-ft, Baja California Shot two females (# 357, 358) this evening at dusk. This species was feeding over sugar-cane field and stream about 200 yards west of the buildings of the main part of town. These were flying at about a thirty foot level and were mistaken for the larger Tadarida femorata by the group. Also flying were Dasypterus ega and a small bat. Early in the twilight time both the Tadarida and the Dasypterus were seen over the cane fields, but as darkness approached we noticed to leave off foraging over the field and concentrate in a small area over a small stream for erugating between palm trees and others. These two species of bats evidently have a set pattern for feeding each night. One of the Tadarida shot by myself was very black, evidently from roosting in a chimney.