MF.Smith 1993 JOURNAL Bariloche, Prov. Rio Negro, Argentina Dec. 1 in that area, we did find some open space to set traps. We set out about 96 traps, mostly the large Shermans because it was raining and the snap traps might get set off by the rain. Thurs Dec. 2 We went out at 7:15 am to check the traps next to the racetrack (Hipodromo). We caught 10 animals, as follows: 1 Eligmodontia morgani 5 Abrothrix olivaceus 4 Oligoryzomys longicaudatus We left the traps set, and came back to process the animals. In the afternoon we went back to Hipodromo and added snap trap lines to the Shermans already set. Fri Dec. 3 We went out at 7:15 am to check the traps at the Hipodromo and bring them in. We had 163 traps out and caught 12 animals. There was rain during the night and in the morning. 6 Abrothrix (xanthorhinus) olivaceus 1 Eligmodontia morgani 5 Oligoryzomys longicaudatus We came back and processed the animals. In the afternoon we drove east of town looking for possible trapping sites for A. xanthorhinus. We ended up in the southwest corner of the