Mayhew 1958 June 11 Colorado Desert, Calif. Journal 89. afternoon (about 6 PM), so there weren't many reptiles still active. We turned onto State Highway 98 & headed toward Calexico. We stopped near an abandoned adobe house for supper. The wind was blowing very hard, so we tried to use the remains of the shack for a wind-break without too much success. At dark we started toward Calxico again, night-collecting on the way. We picked up 3 Bufo woodhousei 7 miles west of Calipico on the road. 6 miles east of Calexico we picked up a Rhinocleus. (FOR) Between Calipico & Winterhaven we caught 3 specimens of Arizona elegans and 1 Phyllorhynchus decurtatus. The wind was blowing rather strongly all evening, and the weather was cool for this time of year, so we didn't find too many animals out. We made camp about 2 AM about 35 miles miles west of Winterhaven, Imperial Co., Calif., or 22 miles east of Calexico. The wind had about disappeared by the time we camped for the night. June 12 at 7:30 AM we headed east on Highway 80 to get to the Sand Hills (also called Yuma Dunes or Algodones Dunes). We caught several Uma notata in the