RIBBLE, D.O 1987 PEROMYSCUS CALIFORNICUS (2) Hastings Natural History Reservation, Monterey Co., Calif. June 2 #1073 ♂ Subadult, TWD, 34.5g. Ear-tagged. Grid MC-1. Station 9,13 1076 ♀ Subadult, nullip., 34g " " Grid RC-1. Station 8,16 1078 ♀ Mature, nullip., 35g. " " " 6,17. Died in trap in PM. Cat #764 1079 ♀ Subadult, nullip., 30.5g " " 5,12 June 3 1086 ♂ Mature, TWD(close), 37 " " 5,13. June 4 1089 ♀ Subadult, nullip., 28.5g " " 4,9. 1090 ♂ Subadult, TWD, 31.5g " GRID MC-1, st. 9,14. June 6 1093 ♂ Subadult, TWD, 29g " 25m east of Grid MC-1, 5m S. of streambed. Trap transect. July 13 1096 ♂ Mature TWD, 34g Tissues collected 10ct 1987. Transect A-1, east of MC-1. " White tail tip. Tissues collected 25may88 St. 10, ~120 east of grid. 1097 ♂ " " 40g. " Transect A-2, east of MCL St 6 (~60m west of boundary) 1098 " White tail tip " 40g. " St. 7 (~40m west of boundary) Transect A-3, east of MC-1, July 14 1100 " " " 41g " St. 2 1901 ♀ " ,imp.,parous. 40g " Transect A-3, east of MC-1. St. 9 * 1902 ♂ " " TWD(close). 43g " Caught at 1st crossing, kept alive for behavioral observation Collected by 103 student 15Nov 87 at 2nd crossing. Pursuant 3embryot, 1 left. 50.6g Transect A-3, east of July 15 1903 ♀ Mature, imp., nullip. 39.5g " MC-1. St. 2 - 241-140-25 1904 ♂ " , TWD. 37g " " St. 9 * 1905 ♂ " " 39g " Caught at second Crossing. Kept for behavioral trials July 16 1906 ♀ Early Subadult, imp., nulliparous. 23g " GRID MC-1 , st. 8,5 1908 ♂ Mature, TWD. 39g. " Transect A-3, east of MCL St. 1. Behavioral (Fluorescent Trials): See Journal on 14;15 July for description of arena. Tonight we arrived at 2030 hrs. to begin work. #1902 ♂ was dusted with orange & blown on to remove excess powder. All boxes were removed from the enclosure, the partition was lifted, and 1902 was placed back in the enclosure. After 5min of standing sitting still with infrequent grooming, he began to explore around the enclosure. He approached 1903(♀), initiated an anal sniff, and walked over her and away to explore the