RIBBLE, D.O. 1987 Journal B2 Hastings Reservation, Monterey Co., California Dec 18 (am). Summary of trap results: P. californicus 10 (am) 17 (pm) # individuals 3 captures (new) 3 capt 6 P. boylii 5 " " (new) 3 5 " 6 P. truei 1 " 2 " (new) 2 N. fascipes 2 " (new) 2 " 3 TOTAL 11 captures 10 captures 1 find. Returned # 4, 33 to capture site this am and worked on paperwork the rest of the morning. This afternoon I set out 5 trap stations (2 traps per) east of grid RC and 5 stations on the grid to assess reproductive condition of females. Reset RC drift fences around 1500 hrs and MC traps from 1530 to 1630 hrs. Today was sunny and warm. Around 1600 hrs the fog rolled in from the west. 2140 hrs - out checking traps on grid RC. It's overcast and warmer than previous nights. Since it is so warm and there are no lactating Q's on MC, all wait until tomorrow am to check those Transect east of RC Results Trap # 10 mo spp wt Sex Day Body 278 0100 Microtus 59 F M foot-lactating Newborns present * W 274 1135 P. californicus 20 F Imm nullip. No visible pouch or animal. 272 0410 Microtus 34 SF SDT TND. Results on trap grid RC: * W 6,14 1136 P. californicus 22g F Imm Nullip. Faint red on inside of ear only 5,14 045 Microtus 58 g F M perforate placenta. * W 5,14 1137 P. californicus 22g F Imm nullip. Definite red on inside of ear. Both The stranded animals (new P. californicus) were returned to lab to bleed tomorrow am. Great results! Finished by 2215 hrs and loaded home