Pearson 1986 Halley's comet visible all night. april 17 Picked up trofe at Daybarok; nothing new, saw no bears while jacklighting. Stopped at Cervo Gavner and picked up about 5 qts of big owl pellets. The most abundant (maybe Serracotii) shrub in the plate is a narrow-leafed Baccharis; up higher there is a broad-leafed Baccharis umbelliflora, next most abundant down low is navar, then Euphorbia, then Senecio, Colletia, Ephedra and (up high) Polypodi. Scattered throughout is broomgran (Stipa species??) The shrub-tree down low are "Chacay" = Discaria serratifolia with spines, maybe a few small ralol. april 18 Left at 3 p.m. for another Roither shoot, Lots of signs at the corner where the road to the airport goes off, but visible from poles checkpoint. Drove into Arroyo Chocoloso where there is also lots of luncher signs in grazed turf around islands of trees. Lots of roadwork there, it is now possible to park off the road there. Rain off and on and windy. Jacklighted 8:30 to 9:30, half moon, drizzle off and on, windy. Saw bare(2) 2 or 3 times (arroyo chocolate) but no mice. Again at 1:45 to 2:15 saw no mice (mostly clear, windy). Then drove back to the airport turnoff and jacklighted 20 mins. and drove a little dirt road slowly for 1/2 mile (twice) but saw only bare. Weather mostly clear; moon had not doit midnight.