1927 P. 2 San Jose del Sacare, Dept, Chalatenango, Salvador and in boggy places that there is tall green grass. It was in these places where I set some traps for Oryzomys and Saimodon. Also some traps were set in the stream for Rheomys and aquatic or semi-aquatic Oryzomys. From this stream I went on over another ridge of oak and pines to the east to another small stream where there were banana trees and a few scattering plants of coffee. This vegetation, representing the Sub-tropical zone, was quite barren and dry. Much grazing had been done along this stream which causes the barren and dry appearance. I set several traps about the banana trees. March 11, 1927- The country east of camp looked so unfavorable that I removed all my traps in the second ravine to the east, although three Peromyscus were taken in the small banana grove. After breakfast I struck off to the west of camp over oak and pine ridges and only finding Sub-tropical vegetation along some