CJS 67-18 Carol J James Devil's Hole, DVNM, Ash Meadows, Nye Co., Nevada. 19 November 1967 0850 - 1100 PST C. James, C.W. Joy, M. Armstrong We stopped at Manse (0730-0740) and Schoolhouse (0825-0845) and dropped traps in each. Stopped then at D.H. + completed work there before going back to Schoolhouse & then Manse. Initial observations: Weather - Complete, dark cloud cover. Heavy rain in some areas, but did not rain at D.H. while we were there (had rained before we arrived, however). Wind slight but cold. General Condition - Practically no algae on rocks (only a very slight light green tint on rocks, indicating a very thin layer still on) Some small mate of very dark green algae "here & there" No scum over shelf - very broken over rest of water. (Rained - :: dispersed scum) Activity on shelf - increased above that five weeks or recent visits. Some feeding-most just swimming. No breeding activity or territoriality. 0850 hrs. - count 90 individuals on shelf + estimate 120. A significant # of young juveniles seen - some quite small (~1mm). Many adults over sloping rock. Juveniles concentrated in southern half of upper shelf.