RIBBLE, D.O. 1988 PEROMYSUS CALIFORNIUS Capture - (1st cage) Hastings Reservation, Monterey Co. Calif ♀ 1441 Captured and tagged 30 Oct 1988, 41g, imp nullip. From Robertson Creek at Robinson Rd. ♂→1410 Born 29 June 1988, offspring of ♀ 901(1295) and ♂ 902(1332). Nov 1 48g, imp. I don't think she is pregnant, his stomach is full and palpable. Cleaned cage. 30g, testles barely descended. Nov 16 51.5g, imperforate. 33g, testes descended (TD). Nov 22 54g, u-perforate cleaned cage. 33.4g , TD Dec 5 55g, imperforate 34.2g, TD. Dec 11 53g, Perforato Dec 17 54g, imperforate, collected tissues. Doesnt seem pregnant. Cleaned cage. 34g, TD. collected tissues (1989) Jan 5 53g, imp. Cage was flooded so I put them in a large plastic cage and will have to wait for dry weather. Put them in lab. 35g, TD Jan 11 54g, barely perforate. Cleaned cage and put them back in. 35g, TD. Jan 24 1000h 53g, imp, gave birth recently!! Baby 1 - ♂? 4.2g { hairless, umbilical scar 2 - ♂? 4.6g } fresh. Must be relatively new. Born yesterday based on WT's. Jan 27 0930h Babies 01000-5.65g toe-clipped 04 - 6.0g Feb 4 1030h - cleaned cage. 33g, TD 1414 - 48.5g, imp, but crusty. 01000 ♀ - 11.0g 040-♀ - 11.7g. Feb 17 0930h 1414-53g, early preg(bulgy palpable) 34g, TD. 01000 ♀ - 16.25g. 04 - ♂ = 20.25g. grey.