left shelf. Majority now are juveniles w/some adults & some young. Concentration of fish on upper shelf seems to be highest at the NE-sloping rock. (Note - more light reflected off this rock. Rees algae here. Rock approach lights than rest of shelf.) Rain up to this time has been only very light sprinkles for no more than one or two minutes. Again - quite dark now. Fish "spooky." More young seen than at any time since 30 June & 1 July 1967 (see cgg 67-4). → Collected 6 fish — by dipnetting. Again, females absent or rare. Approx - 2010 hrs. Heavy shower activity - but intermittent only - approx. 1 minute at a time. Much lightning. 2020 hrs. - Still intermittent showers (stop + start suddenly). While collecting planaria, at rocks at south end of shelf, Approximately 10 fish approached. Several fish even came up onto the shallow ledge of one of the rocks where we were shining the light. Some of these collected - included in 6 fish mentioned above. Of the ten fish which approached, 2-3 Adults, 2-3 young, 1 net juvenile. Planaria on rocks, but not swimming at surface of water. 2030 hrs. - Showers stop almost completely. Wind a little stronger & gusty. → 15-20 mph. down in Devil's Hole, up to 45 mph. above at ground level. One last look at shelf (quite complete look) showed almost no fish visible.