E. Heske 1979 Journal insert UCB, Alameda Co., California Animals not put up as study skins on the previous field trip (Sagehen Cr. Fld. Sta.) were autopsied on 27 November. The following data were recorded: captured on 6 October at Chaparral site, 1.1 mi NE Sagehen Cr. Fld. Sta., TS 18N, R 10E, S 5, Nevada Co., California: t=5mm Peromyscus maniculatus 139-63-18-17 = 17.2 g trap # 1 P. maniculatus 149-65-18-15 = 13.5 g trap # 3 t=4mm scars 3R2L P. maniculatus 118-31-18-16 = 16.2 g trap # 7 P. maniculatus 150-60-17-16 = 20.5 g trap # 19 lactating P. maniculatus 154-67-20-17 = 15.0 g trap # 21 t=4mm scars 4R-3L P. maniculatus 179-80-20-18 = 21.3 g trap # 24 (autopsied by R. Ostfeld) captured on 7 October at Desert site, 1.6 mi N Chilcoot, T 23N, R 10E, S 25, Plumas Co., California: t=8mm Dipodomys ordii 401-203-40-11 = 44.4 g butterfly on back P. maniculatus 151-65-18-17 = 18.6 g t=7 mm embryos 3R2L P. maniculatus 138-58-18-16 = 15.6 g very early stage in pregnancy embryos 3R2L P. maniculatus 159-62-18-17 = 30.0 g nipples present; late in pregnancy -> crown- t=7mm rump of embryos = 23mm P. maniculatus 159-71-18-18 = 19.9 g t=5mm scars 4R2L P. maniculatus 160-69-18-17 = 18.0g P. maniculatus 151-65-18-17 = 15.8 g