Quart 1948 Phylodactylus unctus May 10 San Jose de Comondú 200 ft Baja California specimen no. 168 caught at 8:15 last night on lava boulders 3/4 mile SW of town. The air was beginning to cool at that time, but the substrate on which the specimen was found felt quite warm to the touch. The habitat was large lava boulders with rocky and powdery soil in between in which Opuntia colla, creosote and other desert shrubs were growing. The boulders were about 70 feet from the sandy arroyo floor with its palm trees and about an equal distance from lava cliffs overhead. Subsequent searching revealed no other geckos in the area. Minimum temperature last night was 56°F, it being quite cool at 11:00 pm last evening.