Vandnickson 1950 Journal June 8 Guadalajara to San Marcos, Jalisco Most of the way over small, very rough road. Collected one small lizard by roadside, E. of Ahualulco. Speedometer reading = 74.1. Etzatlán = 91.4. / San Marcos = 99.8. In roadside puddle 0.7 mile farther on collected a number of metamorphosing tadpoles (Scaphiopus ?). Water muddy, and quite warm (about 38-40° C.?) June 19 San Marcos, Jalisco, Mexico Collected one toad (#1062) from well (water level about 20 ft. down) in town of San Marcos, two more from under large stone in arroyo at edge of town. Collected Cremidophorus (?) & Seelognus (?) with slingshot from arroyo and on stone fences at edge of town.