and the scent of Cereus blossoms. Set about 30 MS. along walls etc just at dusk, and the cereus scent was particularly fragrant at that time. Jan 24. Seven big coarse Phylletia in my traps and about 10 spring-empties. Skinned+photod, then ground up the hill to 12,200 ft - still only about 2 km.(u) from Tarata. Set traps (about 25) among rocks and brush at this level, which shows a mixture of west-slope + altiplano flora. Cereus, Dairy, and ovate tubular Opuntia cacti, several species of lowland bushes and anta; then to represent the altiplano: Polylepis, Leflora grandiflora + Bordaia? (see spec.), Ephedra. Not represented in yesterday's series of photos from Torna-Tarata: 3500' - wild pineapple, small dryherb; 5000 - nothing ; 8000 - tree cactus in dry washes. The drone back to 11,500' where the vegetation was a little thicker. There was neither Polylepis nor other tolca species. Many cacti (Cereus, Dairy, and flat-beded Opuntia, joint cactus (with joints about 1