C. ZIEGWER 1955 JOURNAL JAN 23 1 MI SE. SAN FRANCISCO INT'L AIRPORT (OLD BAYSHORE HIWAY), SAN MATEO CO., CALIF. SET OUT 17 MOUSE TRAPS LAST NIGHT - 12 ON BAY MARGIN BESIDE OLD HIGHWAY + 5 ON ROADSIDE BANK AWAY FROM BAY. NO TRAPS ON FIELD SIDE OF HIGHWAY SPRING, BUT IN THOSE 6 FEET FROM WATERS EDGE IN SALICORNIA - 2 MUS (WHITISH BENEATH) NOT COLLECTED + 1 REITHRODONTOMYS (NOT COLLECTED - SKULL CRUSHED) WITH R. MEGAKOTS COLOR PATTERN - DARK BROWN DORSAL STRIPE, BROWN SIDES WITH RUFOUS LINE SEPARATING WHITE UNDERPARTS. + TRAPS SET IN SALICORNIA - SOME IN MICROTVS RUNWAYS. BAIT- PEANUT BUTTER + HAMBURGER. TEMP 450 F. CLEAR, LITTLE WIND. - 100 REITHRODONTOMYS SKULL CRUSHED STOMACH CONTENTS - VEGETABLE MAT - 101 MICROTVS PARABITES COLLECTED. STOMACH CONTENTS GREEN VEGETABLE MATTER - SALICORNIA(?) BY THE SMELL. - 102 MICROTVS PARABITES COLLECTED. STOMACH CONTENTS SALICORNIA (?). SEVERAL SMALL SCABS NOTICED ON SIDES + BACK. BIRDS THIS MORNING AECHEPHORUS OCCIDENTALIS (3) (+1 DEAD ON SHORE), NYROCA AFFINIS(?) (40), OXYECHUS VOCIFERUS (1), STURNELLA NEGLECTA (5). FEB 6 SALT MARSH 1 MI N.E. SAN BRUNO, SAN MATEO CO., CALIF. SET OUT 17 MOUSE TRAPS LAST NIGHT IN FLATS + SALICORNIA ALONG BAYSHORE. 2 MUS TRAPPED (WHITISH BENEATH) NOT COLLECTED. ONLY TWO OTHER TRAPS SPRUNG. BAIT- PEANUT BUTTER+ HAMBURGER. 450 - 550 F. CLEAR, SLIGHT N.W. WIND.