13 Nov. Calif.: Contra Costa and Alameda cos. Made a night, road collecting trip around Mt. Diablo with the following objectives: ① To determine eastward extent & range of Taricha torosa, ② To determine westward extent & general distribution of Amphibotoma tigrinum, ③ To determine presence or absence of such other amphibians as Oreides, Ensatina, Batrachosaps. Route followed: U.C. Campus to pick up S.F. Coles, Jr. at home on Bear Creek Rd. Left his home 2030 hrs., drove back road to Lafayette and State Hwy 24 to Walnut Creek arriving at 2100 hrs. Then via short-cut roads to Clayton Rd E of Concord, the Marsh Creek Rd to W of Byron, S on Vasco Rd along Kellogg Creek to U.S. Hwy 50 and thence to Livermore at 2345 hrs. From Livermore W to Tassajara Rd, N along Tassajara creek to meet State Hwy 21 at Danville, N to Walnut Creek and home via route previously followed. Weather: For previous several days intermittent and non-soaking rains had fallen. Heavy rains an strong winds set in during early evening of this day. Driving rain fell from about 1700 to 2400 hrs, sometimes heavy or light but mostly at moderate rate. Rain essentially over by time we reached Danville on return home, about 0100 hrs. 14 Nov. Noted abundant Taricha on roads before reaching Coles residence and prior to reaching Lafayette