O Pleasum 1976 7 Nov. 11, 1976 Estancia Alta Vista, 24 km SW El Calafate, M Prov. Sta Cruz, Argentinia 5257 ♀ Reithrodon Uterus jux 155x63x30x20 40g. toti 10m ; SV9 5258 ♂ Akodon xantho. 120 x 47 x 20 x 14 16.5g nov. 15, 1976 Nueva Suabecka, 2300 ft., 60 km S posde San Martin, Chubut 5259 ♀ Foti shredded carcass 5260 " " 5261 " " 5262 ♂ Eligmodontas testi 7, SV 12 167 x 80 x 22 x 17 27g 5263 ♀ " wide prime throughout Prg - 3 R, 1 L 159 x 75 x 22 x 15 20.5 5264 ♂ Akodon xantho. testi; 9m 131 x 50 x 20 x 14 21.7 Nov. 16, 1976 4km N Maiteu, 2000ft, Prov. Chubut, Argentina 5265 ♂ Calomys ? counted in dry culvert under road. Wetgrass either end. testi; 5m, white ; SV 8 129 x 58 x 21x15 13.5g 5266 ♀ Reithrodon green + uterus broad + muscular; vagina tough dry grass, weeds, along RR trails . Holes. 190 x 82 x 33x25 45g. bunch 5267 ♂ Akodon testi; 11, SV 18 wet grass, juncus, dandelion along road 180 x 71 x 24 x 16 42g uterus thick, vosc.; vagina tough 5268 ♀ akodon habitat as Reithrodona conspic. near cl. 163 x 65 x 25 x 15 34g 5269 ♂ " testi; 13m " " 158 x 70 x 24 x 14 39g. 5270 ♂ Akodon xantho. testi; 10m bunchgrass - then hard desert 132 x 50 x 19 x 15 18g. 5271 ♀ " xantho. uterus red, fleshy, 151 x 64 x 21 x 16 21.7g Leleque, 2000 ft., Prov. Chubut, Argentina FA 47 5272 ♀ Sliiatiatus Uterus: at hwn large- 3x2mm; ov. no folis or CL. 119 x 51 x 10 x 26 14g. nipple, large, milk excretable. Moderate fat 5273 ♀ " 1 fetus -16m CR; considerable oilnut + mixed fat FA 115 x 48x10 x 28 46 15.2g nipple med., no milk, vag. barely open 5274 ♂ " jux. - almost able to fly much subcut + visceral fat; Rt. at larger, brownish testi; 2m, not discov. FA 94 x 36 x 9 x 23 39 8.6 5275 ♀ " mipple small 120 x 47x11 x 27 49 13.5 5276 ♀ " mipple large, milk much subcut + visceral fat at hwn larger, not brown 116 x 49x10 x 29 48 14.0