S. Riemer 1948 Journal 14 6 Mar. Strawberry Canyon, U.C. Campus, Berkeley, Alameda Co., Calif. Journal, 28 Feb. 1948) to inspect Meotoma nest in artificial sur- rroundings. On leaving Canyon, short stop to listen to Ruby- crowned Kinglet made. Left Canyon 1145. 13 Mar. In spite of heavy rains for past 24 hours entered Canyon at 0830 to study Microtus habits. Proceeded by road to slope behind Fish and Game laboratory. There plot set up and runways and burrows partially exposed. Light rains throughout morning. Study concluded at 1100. Walked by various trails from Botanical Gardens to Panoramic Way between 1200 and 1330. Heavy rain. Large numbers of earth- worms everywhere, especially in stream bed. Several slugs abroad also. Is it possible rainy weather causes nocturnal cod Conditions in animal activity? [Albany, Alameda Co., Calif. 19 Mar. All times since 14 Mar. 1948 should be followed by D.S.T. indicating Daylight Saving Time. Day clear, cold, windy. Later afternoon