Pearson - 1988 & 21 skull only 7508 F Akodon longipilis Kept captive in isolation. See smear cycle.sFastednly with male 7521 Nov. 13: sparring and fighting. Killed Nov. 13. Vagina closed; nipples small; 182 70 24 16 54g. Vagina 4 mm wide embedded in fat; uterus white, 2 mm, no scars; rt. ov with 6 CL of two ages?; no large or med follicles; left ov. with 1 1.5-mm peach CL and a couple of smaller, no folls., much fat around ovaries; .pelvis not open. 7509 F Akodon longipilis Kept captive. See smears. Removed left ovary on Nov. 8; skull only uterus thin, not vascular; ovary fat, 1 or more small-med pale pink CL. Killed 11/10. 191 77 24 15 44g Smear 2 days of leukocytes following 4 days of cornified. Vagina open; tail 1; nipple not found; uterus white, 2mm, no scars; rt. ovary 2 pale pink CL about 1.5mm and one pale pink CL about 1mm, no med. or large folls. Considerable visceral and peri ovarian fat. Pelvis open. Cerro Otto, 1000m, Rio Negro November 1 7510 F Akodon longipilis 182 74 25 15 43g vagina open, nipples not skullobnly seen, smear leukocytes no 'zoa; vagina stout 3.6mm, uterus 2.6mm, slightly vascular, possibly faint swellings, rt ovary with 3 pink CL, left ovary with 3 pink CL about 1.5mm diam., pelvis slightly open 7511 M Akodon longipilis 170 68 24 14 38g testis 11, sv 16 skull only 7512 M Akodon longipilis 174 73 24 15 37g testis 12, sv 17 skull only 7513 F Akodon longipilis Kept alive, isolated. See smear cycle. Tested with male skull only 7521 on Nov. 13: sparring then mutual grooming. Killed Nov. 13. Vagina barely open; 176 70 24 15 40g. nipples not found; vagina stout; uterus white, no scars, 1.8 mm diam; rt ov. no large CL, a few small, peach-colored ones up to 1 mm, no large or med folls.; left ov. 5 peach CL of about 1 mm., no large or med. folls. Pelvis not open. 7514 M Auliscomys micropus 245 105 29 21 70g testis 9, sv 15, tubes visible. skull only.