Murray 1948 Callisaurus draconoides Apr 28 30 mi SE Meaquital, 600± ft., Baja California them the rest of the way. Once hid, there was never any trace of them. Noticed considerable variation in size from about half adult on up. They strongly tended to be in more open areas. May 20 Trrinfo, 1700± ft., Baja Calif. Very common here, seeming to live largely in brush fences or brush thickets. They sun themselves in the open, rarely more than 10 feet from cover, and are surprisingly tame. When approached they run several feet and stop to look back. Then if not too much frightened will remain for quite some time. Often they may be chased quite a distance, stopping each time and then running on a little farther. At no time did I see the prolonged sprint to cover of the more northern lizards. Tails were rarely curled up over the back, but usually raised in a small arc when running. May 23 Buena Vista, 25± ft., 23°38'N, 109°41'W, Baja Calif. Found them again common and tame here in the sand back of the beach, where growe palo verde, mesquite, cumbor, and cholla. Some of these are quite reluctant to enter cover until driven, and permit