I.B. Ruth 1969 Journal Imperial May 6 Glamis - Algodonas dunes area coastal Bryan driving the road rather early at about 7:00 A.M. Much of the sky is overcast. At 10:15 A.M. we found a flat tailed horned lizard at 592.0 mileage 39.4°C vent temp. ½" above ground bulb shaded 29.9°C Road surface temperature (asphalt) 34.0. Sand temp nearby with bulb buried 39.0. ½" above sand bulb buried temperature was 29.8°. R.C.S. took a photograph of this Phrynosoma m'calli. The animal was on the south side of the road. It was diagonally facing with respect to the road facing S.E lining up with the sun. I felt that it looked thin as the pelvic bones were prominent but it looked and felt ok when picked up. It was lying on the black asphalt of the road. The sky has cleared up somewhat but there are still many scattered clouds and there is a slight cool breeze blowing. It was a male