RIBBE, DO 1984 Potomyscus Californicus 29 Hasting Reservation, Monterey Co., Calif. May 12 This AM on GRID MC I caught ♂ #030, St 11, 4 covered with fresh PURPLE; and I redusted ♀ 1351, St 9, 4 with ORANGE powder and dusted ♀ 1381, 42.5g, lacting, St W-9 with BROWN powder. On RC drift fence this AM I dusted ♀ 1193, 48.5g, lact-2-pres, St E-B-3 with ORANGE powder. #1572 ♀ Mature, imp, milkup, 42.5g. San-bagged. RC drift fence St E-9 (last). Coll tissue Presumably an immigrant. Tooth vag. smear - 90% leukocytes, 10% epith. cells. This PM on GRID MC I redusted ♀ #020, 40g (lost leg, gave birth!), St 145 with PURPLE; and caught ♀ #1460, 39.5g (last 7s; gave birth) at 8, 17 (didn't dust her) May 13 This AM on GRID MC I redusted ♀ 1497, 38g, last, St 10, 15 with BLUE-GREEN powder. Caught ♂ 1480, scrotal with clearly visible ORANGE pigment between his eyes. Caught ♂ 0200 St W-13 with garden BROWN visible in ears. On RC drift fences this AM I dusted ♀ 0340, 40g, post-lact, St E-B with GREEN powder. This PM on GRID MC I caught ♂ 1464, St 9, 12 covered with BLUE-GREEN powder; ♂ 1480 with, St 10, 7 with faint but definite ORANGE powder in ears, mouth, feet & scrotum; ♂ 1568, St 11, 4 covered with PURPLE powder (confirming maturity ♀#020) May 14 This AM on MC drift fence I redusted ♀ 1381, 41g, not last, St W-9 with BROWN powder. This AM on RC drift fence I dusted ♀ 1421, 43g, lactating, St W-3 with GREEN powder. This PM on GRID MC I caught the following NEW #s: # 1573. ♂, 1mm, TWO. 22.5g. San-bagged. GRID MC, St 2.5, 7.5. 15May Covered with very fresh RED powder -- offspring of ♀♀ 0180. Known age = 30 days L43