Davis 1946 Pipilo fuscus 6. Zerezo, Son. N of Pachuca, 9000 ft, Hidalgo, Mex. July 3, 1946 Voted fields, but failed to see a single Brown Towhee. I then proceeded up slope to the point where I had collected the first specimen, and saw another Brown Towbee in almost exactly the same spot, also sitting on a rock. However, there was a native woman walking directly behind the rock, so that I was unable to fire. The bird took alarm at her approach, and flew out of sight, and I was unable to relocate it. Then worked to the west a few hundred yards, crossing a low ridge of bare rock with almost no vegetation on it. This brought me to a small Canyon, the floor of which was lined with Cornfields. I crossed the cornfields and proceeded up the east-facing slope about 100 ft above a cornfield on the Canyon floor. At this point I collected another Brown Towbee, which was also perched on a large rock. The vegetation here was low and open: - scrub Juniper, tuna cactus, Pleistemon, and Sac-Charis. The soil was dry and thin, and there was no grass cover. There were many rock outcrops. About 200 feet above, near the crest of the east facing slope, there were scattered Pines. The first specimen taken was a ? with a