M.F. Smith 1993 JOURNAL Campo General Roca, Prov. Rio Negro Argentina Sat Nov. 27 We got up before 6 am and checked the traps fairly early. No one caught anything here, although the vegetation had looked good. We parked up and headed back to Baibocha, getting back around noon. In the afternoon we processed the live animals that we still had left from Gmalls. We considered various options for the next locality and decided that we would drive to Tronador on Sunday to try for A. shivareus at the western end of a transect in Argentina. We chose this as the first option because trapping at Puerto Blest is more complicated logistically, involving taking the traps, liquid nitrogen tank, etc., on the tour boat to Puerto Blest. Rio Castaño Areno Sun Nov. 28 We left Baibocha at about 10 am for the drive to Tronador. Some rain on the way, but the weather was changing rapidly so we decided to go ahead and see what it was like. On the drive in, near Hotel Tronador, the Persons spotted Sigfrido Rubulus, who is a climatologist and glaciologist sponsored by CONICET. Payne asked him if he knew where Julio Contreras had trapped, which would be the type locality for "Rhodon" mensorensis. He said it was at the stream gauging station right