V. Memmler 1941 /6 Itinerary May 28, Russian gulch State Park, Mendocino Co., Cal. 40' elev. 2 traps were sprung. Traps were spaced at about 12 paces). The weather was clear last evening but there was a heavy dew on the grass this morning. Since we have been here we have had rain twice, once the second night, May 17 and again on May 26. The grass and shrubs have always had a heavy dew in the morning. May 29, 23 Traps of the Museum special variety were set in a marginal riparian habitat west of Camp. The plants are as those stated on May 17. Traps were spaced at about 12 paces. 5 traps were sprung, 6 others contained animals. 1 ? Microtus with 6 embryos, 21 mm. was caught in a meadow a yd. from the marginal habitat. 1 Immature ? and 1 immature ? Peromyscus maniculatus were caught. 1 adult ? and 1 adult? Peromyscus maniculatus were caught and 1 ♂ Reithrodontomys neogales. In the afternoon Josephine and I took a walk up the south trail