W. Reiner 1951 Journal 10 Feb. Calif.: Contra Costa Co. adults noticed walking about on surface, especially in area, partially swept clean, overlying drain pipes above area. Are animals lying in hiding under litter on ground ready to emerge at darkness or time of rain? At Lafayette 1245-1335, Wind and very murky water prevented seeing any Triturus on dam face. One seen in pool above dam. Two plump ff taken, one under board near water, the other halfway up grassy slope walking in open. Examined deep concrete lined pit below dam. Contained 10 adult Triturus, 1 large and 1 small Rana aurora, 1 large Hyla. All apparently trapped and unable to get out. Removed all. Check next week may indicate rate at which they get trapped. At Tilden Regional Park inspected stream in region of tennis courts. Two adult ♂ Triturus taken but stream appears as yet to be too fast and muddy. 17 Feb. Visited both study areas today. At Pinelurst 1015- 1215 hrs. 1145 hrs both water and air 10° C. Stream still high and rapid but fairly clear. Adult ♂ with well-developed breeding pigment areas in stream. Saw no ♀ in stream (#123-127). At Lafayette 1245-1600 hrs. 10 adult Triturus