M. Brock 1955 Journal on its nest in the tool shed at Sagehen Camp, Poison was put out for the rat about a month previously therefore the rat may have been death for 2 or 3 weeks. It was still in good condition due to the cold weather March 21 Two Microtus caught by R.S. Hoffman were put up as study skins. Caught in Tilden Park, Contra Costa Co. Phenacomys specimen was put up, data follows, milage 50504.1 Freestone junction Rd to Occidental 50505.15 - 1 red tree mouse (1 mi. N Freestone) 50507.5 Chickaree 501.8 Occidental 509.3 Camp Meeker, 511.8 3 red tree mice + 2 young 514.3 Monte Rio. March 31 Put up specimen of Peromyscus californicus (no. 19) which was trapped in Tilden Park by Bob Hoffman on March 19, 1955 April 2 Recorded and catalogued nine skulls which had been collected at a previous date by me but had never been written on the records 1 Citellus lateralis skull collected 7-25-53 1 Citellus beldingi skull collected Aug 1953 2 Microtus montanus sierrae skulls collected 6-26-53 2 Peromyscus maniculatus skulls collected 7-1-53, 7-10-53 1 Sorex obscurus skull collected 6-26-53 These 7 skulls collated at Sagehen Creek basin 6400+ ft Nevada Co. About 3 mi. NW Hobart Mills. The Sorex and Microtus were trapped by Bob Hoffman. Also