nov.28 morning clear, clear, touch of frost; temp. 1/2 deg. at dawn. 2 more myotis in nets; one of them a ?. Two singing at dawn and sundup; a double call tuc-tuc rapidly, then a 1/2 second pause, repeat many times, then trailing off into a steady tuc - tuc - tuc - tuc. Three or more species of sage brush up to shoulder high, low green grass, and bare sandy gravel. Drove to Paso de Flores, a ferry-boat over the Rio Duiuy, and found bats under the corrugated roof of the school house. Two caught and one caught 3; one of which, a prog of older species. Put up the poles of the remaining two; it was only slightly piler. The Alcura, Corral de Piedra, and Paso de Flores localities are in different Provinces but only a few miles apart. Some good cliffs and caves near Paso de Flores. Spent night in the staving shed of Estancia Alicura, with two nets in the shed, staving ended earlier this week. Shed (= barn) smelled of disinfectant. Saw no bats or signs nov.29 Temp at dawn 1/2 deg. No bats in nets. Drove to Barlobo, checked with Mrs. Humbol, then off to Carro Tronador with Carlos and Adriana. Set a complete series of trap lines at 4 different elevations in 4 different habitats of their Watershed Effected into study area. 845m. 1) Mallin - This is the lowest of the four. Swampy grass, Mylophorum, Chusquea, and noto. antarctica dwarf. Ant set 20, L set 6 shrews, 8 museum specimens, and 1 rat. The slotted set maybe 20 +/- colored + large 1065m 2) Bosque Alto (N. donkey and N. pumilio). Huge trees with some Chusquea, lots of rolling hay. Ant set traps. 3) Larga, - 1,300m - large N. pumilio. The students set shrews small and large shrewers. Number unknown.