J. Crowley 1941 Journal May 29 Pescini Gulch State Park, Mendocino Co., Cal. Elev. 35 ft. 23 mouse traps were sprung. The traps were set on an average of 10 feet apart. We prepared our specimens and also fielded 3-2 Peromyscus and 1 shrew-Mrs. Dunwell had trapped. V. Memmler also fielded a zopher, 7 Black headed trapped. I put up the Microtus and 2 Peromyscus. The 9 Microtus had 6 21-mm. embryos, which I placed in a glass jar, labeled. At 2:00 or slightly after V. Memmler and I came the creek just east of our camp and took the Court Trail southward to its first fork. We found that this trail connects with the pine grove above the grassy slope where I caught the little green frog on May 25. We retraced our steps through the Pine grove, then through dense broken fir, except high. Then we went through mixed, pine, Douglas fir, Redwood and Lowland Fir. Photo-hemndrons grow there too. (Oh-at 2:45 while first coming up the first fork-still in the mixed forest, we saw a California Woodpecker perched on Lowland Fir, one of the small bare branches close to the trunk; he was uttering piercing cries,