E.V. Miller 1940 General Account. 25 I set out 85 M. specials and 47 live traps along 2 small streams. May 8. Took in my traps 10♂, 3♀ Peromyscus melanotis and 2♂, 3♀ Microtus mexicanus. Collected the nest and eggs of a "Refused-backed" Junco. In the afternoon we drove toward Morelia in Michoacan, camping at a very small settlement known as "Macho de Agua," 10 mi. ESE Zitácuaro. I set out 50 facing M. specials under high brush on the N slope of a deep, steep sided gulch. There were a few oaks and some small alders here, besides much other brush. I then set about 40 M. specials near camp on the ridge near pine trees and among Baccharis sp. and rocks. May 9 I took 1♂, 1♀ Rheithrodontops fulvescens in my first 50 traps and 3♂, 1♀ Peromyscus melanotis in the last 40. In the afternoon we drove on through Morelia, Michoacan. Yesterday we had crossed a range of mountains covered with oaks, pines and firs, but this afternoon after passing Morelia the country was arid with a sparse covering of Nopal cactus and brush. Considerable of the land was cultivated and had large rock fences around the fields. We camped by one of these, where I set out 100 M. specials. May 10 This place, which looked so promising, yielded nothing but evidence that one mouse had been