B.R. MOON 1987 Species Account Rosy Boa (Lichanura trivirgata) 8 April Bonanza King Mine, Providence Mountains, San Bernardino County, CA. TION R14E Sec 3 nw'1/4. I found an adult rosy boa under a rock on a barren slope of old mine tailings. 1600 PST, ~20°C, overcast 50-75% cloud cover, Elev. ~1340 m. Talus slope where I found snake is south of top of the hill to the south of the main mine tunnel. Total length approx 76 cm (it wouldn't relax to be measured accurately). Several small scars on back along entire length, probably from activity or burrowing in rocky areas. Greyish ground color with 3 orange stripes with mostly smooth edges. ♀. Catalog #16 14 April Bonanza King Mine Canyon, Providence Mountains, San Bernardino County, CA. T11N R14E Sec 32 sw'1/4 Elev. 1400m. I found an adult ♀ boa stretched out across a rocky wash at the canyon fork at 1755 PST, just after sunset*. Rocky, brushy canyon, just below pines-juniper woodland. Snake did not move or try to escape when I approached; it was easy to catch even with a heavy, full backpack on my back. Catalog #27. Kept alive by Bruce Wagg.