Murray 1949 Journal Aug 13 Big Lagoon, Humboldt Co., Calif. at least 10 minutes before any thus far. Might be Myotis californicus. The others, which have all been Myotis yumanensis (or evotis), all start when darkness is well underway. Tonight noted that they first appear all together at the tops of several spruce trees next to the lagoon. For several minutes remain high, then drop lower and spread out over the lagoon (that part which extends inland next to camp and is filled with logs) to feed. Aug 14 Same location In 20 live traps had 1 Sorex pacificus, frowbridgii just into the denser woods. 15 traps held over in spruce and alder had 1 Sorex pacificus, 1 ? Microtus oregoni. Both were on the edge of the dense woods. 25 traps newly set in spruce, alders, had 1ad, 1imm. Peromyscus maniculatus, 1?, 1? Zapus trinotatus, 1 Microtus oregoni (Microtus + Peromyscus discarded). Peromysc. Both in hollow logs. the Microtus was in very moist area with ferns and leaf mold. 30 traps in Redwoods had 1 Sorex pacificus, 1 Sorex frowbridgii, 1 Neotrichius gibbsii, latter in dense oxalis.