W. Riener 1950 Journal 3 May Mexico: Guerrero: After looking at sea turtles in water at Acapulco drove back to Mexico City for night taking a Ctenosaura and a coral snake on the roadway, both DOR. 4 May To Mexico: Hidalgo: After shopping around Mexico City in the morning left about noon and drove through to spot near Jacala to camp for night in pine-oak mountains. Terrain here is very steep, rugged and mountainous. 5 May To Mexico: Tamaulipas: Drove from near Jacala to near Tuxpan during day. Most of distance through low, green, dense, thorny scrub. Hot and humid. Heavy dense haze every- where. 6 May To Mexico: Nuevo Leon: Drove to Monterrey for night. Short stop at Cola de Caballo water- falls near Monterrey produced one small anuran taken at base of falls in a small pool. 7 May To Mexico: Tamaulipas: Nuevo Laredo Drove to border and crossed in late afternoon. 8 May To Calif: Alameda Co. With one day delay in to Laredo drove directly home stopping for 12 May night at Kerrville, Texas; has Cruces, New Mexico; Needles, Calif.