A.C. ZIEGLER 1957 PEROMYSCUS CALIFORNICUS JAN 25 BIG BOW STATE PARK, T.9S, R.3W, 1000'FT, SANTA CLARA CO, CALIF. GOT 12 TO 15 OF THIS SPECIE IN CREEPING FOREST AREA (SEE JOURNAL MAP) IN 100 YEARS. NONE IN 50 YEARS IN "F" CAMPING. SEVERAL JUVENILES & ADULT SPECIES EATEN IN TRAP. SANCO AND # MOUNTS IN GOOD SHAPE. GROUND COVER LOW BUSHES, LOGS; HIGH REDWOOD COVER. 2 IN. OF HUMUS ON GROUND BUT HARD CLAY IN MANY PLACES UNDERNEATH. ALSO GOT 12-15 TRVEI (?) HERE BUT NO OTHER SPECIES. Many CALIF. FAIRLY REDISH, NOT SO BLACKISH AS THOSE OF SAN BRUNO & BERKELEY.