P. PEARSON 1949 released in Myotis californicus, Mother night roosting in Laguna at 8 p.m. on way home. April 14 Left 5:30 P.M. with aunt + Peter for Clear Lake, 1 Bat flying in old house by road between Mt. St Helena + Middletown, around Sulphur Bank Mine house 10 p.m. Many bats flying in+around house and barn; mostly Myotis gumanensis. In southwest room of house caught 4 Antrozous, ♂ + ♀ and 1 Tadarida with illegible [illegibly 46-16319] banded sometime around 29, 1947 band Kept all 5. Also kept several gumanensis. at 3 A.M. one Corynorhinos hanging free from bottom of beam in cellar room; awake & escaped. April 15 At 6:30 A.M. 2♀♀ Corynorhinos hanging together alongside beam in cellar room, & 1♂ hanging alone. Also 1 Cory. ♀ hanging under house. All banded. In barn, several Eptesicus in rose crack as last fall—SW corner of center room of barn. Saved 2, not banded. Nothing in north lucerne tunnel at 8 A.M. In south tunnel, one gumanensis (?) tuck in crack (remained but escaped) and one tight cluster of 11 thysonoles♀♀, 3 gumanensis♂♂♂, and 1 gumanensis♀. Three of the thysaroles were banded. Kept 1 unbanded thysanole; Released all others.