A.C.Zicker 1961 Journal Tilden Pond, Contra Costa Co. California. May 28 KILLED & NUMBERED THE LAST OF A SERIES OF TAILCATE EGGS & LARVAE RAISED AT ROOM TEMP. PLAN EGG MASSES TWO COLLECTORS IN STREAMS (BTW. BOTANICAL GARDENS & LAKE ANZA, OTHER BTW. LAKE ANZA & JEWEL LAKE - BATCHES OF EGGS NOT SEPARATED BY LOCATION) ON APRIL 12, 1961. THESE SPEC'S ARE: (# 2159+2160) EGGS AS I FOUND THEM; (# 2161+2162) EGGS SHOWING WELL-DEV'D EMBS KILLED ON MAY 3, 1961; (# 2163+2164) LARVAE HATCHING WITHIN A DAY OR SO AS MAY 12, 1961; AND (# 2165+2166) HIND-LIMB-BUT-SMOKE LARVAE KILLED MAY 28, 1961. THE LATTER WOULD NOT EAT ONLY TROPICAL FISH FOOD & WERE PRESERVED AFTER MANY OF THEM WERE FOUND TO BE DYING (OR SQUAWKIN?) EVEN DAY. THE ORIGINAL EGGS WERE ALL IN SAME STAGES OF DEVELOPMENT. WHEN COLLECTED AS FAR AS I COULD TELL. THESE MASSES WERE MOSTLY ON UNDERWATER ROOTS & STICKS USUALLY UNDER A LEAF OR BANKS OF ROOTS AT STREAMS ALTHO A FEW WERE FOUND UNDER FOOTBALL-SIZED ROCKS IN QUIETER WATER. 3 OR 4 SMALLER MASSES WERE FOUND LOOSE ON BOTTOM OF ODD Pools (SEEMS TO HAVE WASHED LOOSE FROM ADHERENCE OF JELLY ENVELOPE). USED SOME LARGE FOR ZOOLOGICAL SECTIONS SLIDES.