8 mi NE of Chalchicomula, Puebla, Mex. - Mexico, D.F. July 12, 1946 Night. Sibley collected some Lipilo orai and Lipilo maculatus near camp, and then we packed and returned to Mexico City. The road to El Seco is in pretty good shape, and only 19 miles. At El Seco we hit C.N. N° 2 and drove straight to Mexico City, arriving at 6 p.m. Stayed at Lydeca Courts. Mexico, D.F. July 13, 1946 Spent the day around town, shopping, & cleaning out the truck & equipment in preparation for our trip to Oaxaca tomorrow. July 14, 1946 Left Mexico, D.F. at 8:00 a.m. and arrived at Oaxaca, Oaxaca, Mex. at 5:30 p.m. Put up at Hotel Francia for the night. July 15, 1946 Drove down to Tutla, some 30 miles away, and went through the Zacatepec ruins there. Then drove out of town & collected 1 Brown Towhee. Returned to Oaxaca, & then drove 2 mi S of the city and turned off on the road to Jotlan. Drove 36 kilometers along this very sharply rising road, over a crest at 8900 ft & a few miles down the other side, camping in oak country. July 16, 1946 Hunted P. maculatus in am. Collected one.