W. Riemer 1953 Journal 21 July Mexico: Sonora & Arizona: Santa Cruz Co. authorizing the specimens to be collected for the University would have been an asset. We were threatened threatened with being charged duty in that we had made a special trip for purposes of collecting. Most of afternoon spent in Scyamore Canyon (E of Peña Blanca Springs) where Zweifel collected 3 large Rana tarahumarae plus some tadpoles. By accident met Dr. Franke (Blaire and Dave Padis (sp.?) of Univ. of Texas live at Scyamore Canyon. They are on anuran call recording trip. Said Microhyla, breeding chorus in full throat last evening. During this day they had collected 1 R. tarahumarae. Zweifel worked further down stream from Yankle's Spring (probably 1-2 miles). Reports plenty of water however none at Yankle's Spring except in tanks. Returned to Peña Blanca for night camp. About 2130 Dick +D located a small, very muddy pool, about 10 x 50 feet by 4-6 inches, from which a single Microhyla was calling. It was captured. No other anurans were calling in the Spring area. Moon, half-full and bright. 22 July Arizona: Santa Cruz and Pima cos. After making photographs of several leftover animals we left in mid morning for Tucson