Jim Davis July 15. Harlingen, Cameron Co., Texas. Spent the day around Davis's house preparing for Mexico. July 16. Left Harlingen about 7:30 a.m. Went into Mexico through Reynosa, Tamaulipas. Drove to Monterrey, Nuevo Leon, and then south on the Pan-American Highway (Mexico CN I) to- ward Mexico City. Turned off at Linares, and camped 17 mi. W Linares, Nuevo Leon, Mexico. Set a few traps. July 17. 2 Ceromyzus in traps. Ants were very bad, but my mice seemed to have escaped. Skinned, then drove back to Linares, and then south. Saw Brown Jays, Couch Jays, and Varied Bunting. Camped at a point 20 mi. W Antiguo Morelos, in San Luis Potosi. Set a few traps. July 18. 1 Ceromyzus, 1 Loxops in traps. Skinned, than drove back to Antiguo Morelos, then south again on CN I. Camped in the Chase pines 6 mi. N.E. Jacala, 5000 ±', Hidalgo, Mexico. Set traps. We hunted amphibia after dark, & between the three of us secured 3 to Rana of 2 species, from a marshy area and from the shores of a pond. July 19. 2 large Ceromyzus in traps. Skinned, then drove in to Mexico City, arriving there about 4:45 p.m. Drove south of town to the