Chattin J 1940 Itinerary 200ft, U.C. Campus, Berkeley, Alameda Co., Calif. Jan. 30 contd. he used. H_1 = large male T. bottae albatus H_2 = small female T.b. albatus - injured left front foot. H_3 = large female T.b. albatus - uninjured.. B.1 = large male T.b. bottae- Z_1 = small female T.b. agricolaris ? - from Napa This evening several different combinations of individuals were experimented with. B_1 and Z_1, place together - paid little attention to each other. H_1 and Z_1, placed together with little result - pushed each other about but seemed more interested in getting loose than in each other. B_1 and H_2 placed together with little result. B_1 and H_3 placed together - didn't get along so well - both were fairly intelligent and began fighting. Were separated and replaced in cages only after B_1 had bitten the inner right hind leg of H_3. This was