June 27, 1946 New Saredo, Tamaulipas, Mexico to Valles, San Luis Potosi, Mexico Journey, larger trees were noted in the mesquite - Cactus scrub. Brown Jays became much more common and were frequently seen flying across the road. Bananas and Papayas were noted in cultivation. Audubon Oriole first noted 165 miles south of Monterrey. First Bennett Thrasher noted 11 miles south of Lindal Victoria, 12.5 miles South of C. Victoria we crossed the tropic of cancer. Roadside Vegetation still mesquite - cactus. Altitude 1150 feet. First Red-billed Pigeon and Red-eyed Cow- bird noted 19 miles South of Victoria. 27 miles South of C. Victoria noted a coyote run across the road. Coloration appeared quite fulvous. 27.5 miles South of C. Victoria, at foot of Hacienda Hera, elevation is 1175 feet. Country Vegetation changing to an acacia- mesquite association, with acacia predomi- nating. Densely foliaged, flat-topped trees of me- dium height. 36+ Amazona Viridigenalis noted. The note of these birds is a burred "ow", much like the human "ow". 29 miles South of C. Victoria, Hacienda Hera, elevation 1650 feet. Open scrub - Cactus association. 2 Coyotes seen crossing road 34 miles South of C. Victoria. They appeared smaller and grayer than the one previously see. 36 mi. South of C. Victoria, 2 off Red-eyed Towbird were noted by the roadside.