O.P. Pearson 1981 33 Lago Vless, Rio Negro Dec. 13 Mullip. Skull only 6737 ♂ Notonjps waldinvens juv., captive since Dec. 7, 113 x 37 x 19 x 13 10g. Estancia Condor, 18 km SE Bariloche, Prov. Rio Negro Dec. 13 Skull only 6738 ♂ Argjongo 27g Testis 7m; SV 11 tubules back visible Skull only 6739 ♂ .. 25g Testis 6.5m; SV 12 a few zoam near Skull only 6740 ♂ " 22 g Testis 6.5m; SV 12 many zoon near? Skull only 6741 ♂ " 32g Testis 6; SV 11 Skull only 6742 ♂ " 41 g Testis 7; SV 13 tubules visible Skull only 6743 ♂ " 50g Testis 7; SV 13 Testis 10.5; SV/13 137 x 52 x 21 x 15. 18g 6744 ♂ Akodon xanthorhinus returned later 6745 Notiomys macronypt sent to Centers in Florida 6746 ♂ Coenpistura 520x160x72x30 6747 ♂ Rarthdorn killed Dec. 15 230 x 90 x 33 x 25 77g. Testis 12mm 12 km WNW Bariloche, Prov. Rio Negro Dec. 14 Skull only 6748 ♂ Akodon olivaceus Testis 7; SV 3 135 x 62 x 21 x 14 15g. Skull only 6749 ♂ " " Testis 5m; SV3 139 x 60 x 21 x 15 12g Skull only 6750 ♀ " " Mullip. 129 x 56 x 21 x 15 11g. Skull only 6751 ♀ " " Mullip. 124 x 55 x 21 x 14½ 9g. Skull only 6752 ♀ " " Mullip. 160 x 66 x 23½ x 15 22g uterus 2m, no scaro. Skull only 6753 ♀ " " 145 x 61 x 22 x 16 18g Gembro, 15mm CR 5.5gm Skull only 6754 ♀ " " 172 x 75 x 28 x 15½ 35g. Skull only 6755 ♂ Oryzomys longicaudatus Testis 5½; SV 9 17g (??) Skull only 6756 ♀ " " uterine scaro 30g Skull only 6757 ♀ " " uterus red, 2m, CL. 15½g Skull only 6758 ♀ " " Mullip 9½g