June 16 78. Mexico, ll. 7. - 5 mi E of Cerote, 8700 ft, Veracruz, Tues. July 6, 1946 This terrain unsuitable for occupancy by Brown Towhees, the low, tuna-cactus covered hills bordering the plain appear from the road to be excellent towhee habitat, and probably form a distributional highway around the plain. We went through Las Vegas, past the great lava flow which extends some miles east of Las Vegas. Then returned to the small town of Sierra de Agua, and took the road leading up the mountain called Cofre de Perote. Made camp in the pines; 5 mi E of Cerote, 8700 ft, Veracruz, Tues. July 7, 1946 Moved our camp in a.m. a short distance away, where we were not so close to the main up-mountain road. We are camped in a rather heavy stand of second-growth pines. Sierra de Agua is about 3 miles down the slope, and there are grain-fields stretching from SierradeAgua to a point about 1 mile below camp. In this terrain we have seen Brown Towhees. Weather today was cold and rainy. This morning, before changing camps, we drove nearly to the settlement of Pescados, to an elevation of 9500 ft. The pines continue unbroken as far as we went, and there seems to be little change in terrain on the way up. At one point, we could see the snow-covered peak of the