57 Apr. 29. U.S. Hwy 90, Del Rio to Alpine, Brewster Co., Texas of mesquite along the bottom and some liveoak as well, the only possible [illegible] habitat I could see in the area. Proceeding W from Langtry, creosote brush and the "Tamaulipan brush" species were mixed for 15 miles or so. During the next few miles a "break" occurred so that within 20 miles of Dryden Sonoran Desert creosote brush vegetation prevailed. Within 10 miles of [illegible], there were junipers in tributary creek bottoms. Sanderson Canyon was a dry streambed and lacked extensive development of mesquite (few, scrubby). West of the town however there were hackberries. With the increase in [illegible] more grassland was evident in eastern Brewster County along the highway. I reached Alpine about 4:00 pm, ate dinner and departed an hour later, heading for Ft. Davis 22 miles to the NW. Davis Mts., Jeff Davis Co., Texas. I drove through range country to reach the settlement of Ft. Davis, then on up Limpia Canyon with its oak covered slopes and on to Mt. Locke, over 6700 ft. in elevation. Oak and juniper prevailed over much of the slopes there above 6000 ft. but nearly all was fenced in. I returned to Limpia Canyon with its oak-covered slopes and camped for the night. WEATHER THREATENING, wind strong down canyon. Apr. 30. 1 mi. NW Ft. Davis, , Jeff Davis Co., Texas I was on lower N-facing slope or in cottonwood-willow stream bottom 6:00-10:30 a.m. The slopes were covered with rocks and boulders and were grassy with scattered live-oaks, gray oak, [illegible] oak(?) and Spanish(?) oak and juniper. Catalaw widespread