W. Riemer 1951 Journal 14 Apr. Calif.: Contra Costa Co. Visited both Triturus study areas. At Lafayette 0930-1000; Pinchurst 1030-1330. Weather cold, windy, overcast. (See Triturus torosus account). 15 Apr. Went to Marsh Creek area for purpose of collecting some plants and to see if Triturus occurs in that region. First stopped at 1¾ mi. E, ½ mi. N Mt. Diablo, Marsh Creek Springs Park. Stream here about 10 feet wide, flowing rapidly in some places with deep quiet pools also present. No Triturus seen in more than an hour search. Rana aurora and R. boylii common, Thamnophis elegans atatus (2 individuals) only snakes seen. Scoloporus occidentalis common. Several miles downstream where stream consists mostly of deep quiet pools a second search made. No Triturus. R. aurora and Hyla regilla common. This spot is same as that searched last year for Triturus (Feb. 1950) 21 Apr. Visited both Triturus study areas. At Lafayette 0850-1000; at Pinchurst 1030-1230. Weather cold, windy, overcast until 1030 when wind died down and sun appeared. (See T. torosus account).