O. Pearson 1976 6 Monte Coma, (cont.) 5241 worm-snake Septotyllophis horreohannus 5242 snake caught as 5239, 40. Nov. 7, 1976 Laguna Grande (Lakebed) Prov. Sta Cruz, Argentina blue blood 5243 lizard Julosaurus fitzingeri " " 5244 " " " 5245 Nov. 8, 1976 Laguna Grande (Pueblo) Prov. Sta Cruz, Argentina + stomach 5246 ♂ Heteromys killed Epid barely visible in tail. Testis greyish, lobby, 5.5 mm. FA. (3.0g) In net about 11 AM. Epid & tails not visible 108 x 41 x 11 x 25 x 44.5 slight amount yellow fat at base of tail stomach 1/3 full; accessory- prostate 2.5--. Yellow fat in abdom. cavity 5:15 Testis white, 3.5; epid. tub. not visible FA 5247 ♂ " In net at AM. Epid not visible in tail mm. 116 x 50 x 11 x 25.5 44 16.2g appreciable subcut fat at base of tail - white stomach full-1.8gs. Prostate invisible. White fat in abdomi cavity Testis 6.5, yellowish, lobby FA 5248 ♂ " In net at 5:15 AM. Epid visible in tail 111 x 44 x 10 x 25 45 14.5g epidid small, tubes not visible. Stomach 1/2 full. yellowish fat in abdomi cavity small amount subcut. fat, dorsal base tail, slightly yellowish. Prostate 2 mm 5249 ♀ " Large nipple, vagina open. 107 x 47 x 11 x 26 46.5 14.6g no fat. no mammary tissue; stomach empty Pregt at horn; rt. or small follics, left ov no follics. Endo- CR 19 FA 12 mm Conceptus 2.3g 5250 ♀ " Nipples large, no nipple. No fat 114 x 48 x 11 x 26 47 18.8g stomach full-1.5g Pregt at horn; conceptus 2.6; CR 19, FA " left ov. small follics; rt ov. small + med follics. Nov. 10, 1976 52 km WSW El Calafate, Prov. Santa Cruz, Argentina + skeleton 5251 ♂ Notiomys - shot taild Abdomen fat Testis 10mm; SV 12 72gs. Epid tubules visible 173 x 53 x 26 x 14 Testis 7; SV 12 5252 ♂ Oryzomys 223 x 107x28 x 15 51g Testis 8; SV 13 5253 ♂ Oryzomys 230 x 116 x 30 x 16 66gs. Uterus vasc., confluent cl. 5254 ♀ Akodon (trumpet) 144 x 54 x 20 x 15 26g 5255 ♀ Akodon (red-back) 4 ends. 180 x 77 x 26 x 15 53g Testis 13 mm 5256 ♂ Akodon 180 x 77 x 26 x 17 49g