Mayhew 1957 Journal 52 April 5 West side of Salton Sea, Imperial Co., Cal. f. about 4 miles east of Ocotillo Wells, or Burro Bend. Night collecting along highway 78 between the two previously mentioned points produced one Chionactis occipitalis. Collecting on the road to Split Mountain from Burro Bend yielded one Phyllorhynchus. We saw 2 dead & 1 live sidewinder, and several live Coleonyx variegatus. Coleonyx were not nearly as plentiful on the road tonight as last week. There was about ¼ of a moon tonight & none last week, but otherwise conditions appeared to be about the same, Apr. 6 We drove into San Felipe Creek from our campground of last week (3.2 miles west of highway 79 on highway 78). We found Harpers Well is located about ½ mile west of our approach to the creek last week. One species of fish was actively breeding at this time. Two females were caught, but we were unsuccessful in catching any males. Along highway 78 we saw more than 100 Swainson's Hawks sitting on the ground, & low bushes, or circling in the air. We were able to approach them quite closely. About 11 AM the wind began to blow quite hard, and most of our gear became filled with sand. As we travelled west on