Hegner, M.S. 1976 San Joaquin Valley, Vicinity of Buttonwillow, Kern Co., California. 14 June (cont) We continued north to the Pixley locality; Results: 5 D. nitratoides (3 ad., 2 juv.) Drove up Rd 88 and then N. and E to the locality NE of Angiola. Results: 1 D. heermanni Continued N and W by Hwy's 43 and 41 to the locality S and W of Lemoore. Results: 1 D. nitratoides At this last locality we caught a 60 mm. long horned lizard - large for the Valley, I believe. We also had 4 traps stolen. We proceed on to Fresno where I examined Walt Hoffmann's thesis on D. nitratoides (at Fresno State University). 1300 Departed Fresno via Highs 99, 152 and I-5 to Pleasant Hill, California. of Lubbock, Lubbock Co., Texas. 25 June 1600 John and I drove to the edge of the "Caprock" east of town and set 50 live traps in small revines. General Mesquite scrub association Artemisia, Stipa?, Poa?, some cacti (Opuntia, Mammelea?) some Yucca. Very grassy in revine bottoms; very sparse grass on exposed hillsides. Rocky soil with occasional areas of fine sand in revine bottoms. Calm night - cloudy ~ 60° F low.