Hendrickson 1950 Journal Aug. 29 Lower Covington Flat, 5000ft., Riverside Co., Calif. preparatory to breaking camp. Arrived at waterhole at 6:30 A.M. - no Pipistrelle flying. At 6:50 A.M. first Pipistrelle noted flying. Sceloporus magister seen descending steep slope of water hole; remained (unseen) in bottom for about 10 min., then ascended the gentle slope and continued on to other side of canyon. A Calif. Jay came to the water hole at about 7:30 A.M.; as I watched closely, it hopped into the bottom of the hole and apparently thrust its bill into the damp sand for water. Cave-ins of sand during the night had filled in the open water, leaving only damp sand in the bottom of the hole. The water level was about 1/4" - 3/4" below the lowest sand surface. The jay did not scratch to remove sand to the water level, and did not "dig" with its bill. It actually seemed to "drill" its bill into the sand, coming up to a "look-out" posture, then repeating the process. At 8:45 A.M., Returned to camp at about 9:00 prepared specimens. Broke camp at about noon, drove to Joshua Tree for car service and groceries, then went to: