1961 Pearson Orinda grid Row B 5 minutes, 1 mice, 1 Rethro Row D 5 " 1 1 Row E 4 " 0 2 Row H 2 " 0 4 Row J 4 " 0 3 Row L 4 " 0 2 24 2 13 E = 39 mice 3 of the meristae and 4 of the Rethros were over previously tagged. used traps for alternate rows at 6 p.m. = 72 traps lot it back to water mine, heard some but saw none. Picked up 36 owl pellets under various oaks near the grid. Aug. 25 Night cool, clear at 9, cloudy in a.m. Row A 5 minutes, 0 mice , 3 Rethro Row C 6 " 0 1 Row E 5 " 0 3 Row G 4 1 1 Row I 3 0 4 Row K 3 0 2 26 1 14 E = 41 mice of the 17 tagged meristae caught, 5 were overtaged last June. The mice was tagged last June. Of the 9 tagged Rethros caught, 3 were tagged last year. At 5 p.m. set alternate traps such as Row A 1,3,5,7,9,11 and Row B 2,4,6,8,10,12. Forgot to do Row L, done 66 traps.