1949 P. PEARSON 40 The latter two must have flown indoors (and probably out) during this cold spell. Tilden Park, Contra Costa Co., Calif Jan 2 Part 49 Sherman traps on south-facing slope in gray plaza baited with oatmeal at 9 a.m. Weather clear, cold (ice on road puddles). At 4 p.m. had one Microtus Jan 3 Night clear, cold (ice on Park Hill fountain). At 7:30 a.m. traps held 3 Microtus (dead), 6 Peromyscus alinus (alive) and 4 dead, 2 Reithro alius (kept) and 4 dead = 20 total Sulphur Cave, 4300 ft., Old Station, Shasta Co., Calif. Jan. 14 Left Berkeley yesterday 7 p.m. with Carl + Mary Koford + aunt. Camped between Red Bluff + Redding. Temp. below freezing. Here Coyote. Arrived Old Station about 10 a.m. About a foot of snow on ground and light snow falling. Went into the small cave 1.6 miles N Sulphur Cave (see Nov. 7) & where I got 1 Campylophilus Nov. 7 but no bats now. Outside temp. -1° C., inside -5° C. Went next (11 a.m.) to "Parish" cave 300 yds. SE of Ice Cave at Old Station behind the Twin Rock Ranch. Came to a cluster of Campylophilus about 50 feet in where temp. lowest-high was -4° and -2° at ceiling where bats hung. From here in were, many Cory hanging singly or in clusters of as many as 31². This cluster of was hanging from the ceiling, close unfurled, where air temp was -1° C., temp. in center of cluster was 0° C., all these and others in the cave turpid. Many Cory, but single and clustered, had ears hanging down unfurled. Batted all except 1 & J (who was saved), 180 all told. Many more J's than Q's. No clear pattern (yet) of