Greene, H. 1988 August 10 (continued) rusty tin from which I palpated the hindquarters and tail of an adult Sceloporus janvori (saved the lizard, released the snake). As we drove to the Portel Store for lunch, found a large non-gravid ? Phrynosoma modestum backing (up on legs) in the middle of the road ~100 meters W. of the store - habitat is mesquite grassland. Road hunted to Sistrurus site where I got a DOR S. catenatus that looked to have been hit ~ 1 hr earlier, also some Scaphiopus, an Arizona DOR, and a young ? Crotalus molossus 2.0 mi E. of Portel in mesquite-grassland - although there are hills and ledge systems within less than a mile (I later photographed the site). This snake rattled continuously, struck, and struggled fiercely when pinned. August 11 Partly cloudy when I awoke at 0730hr. Drove to 2 mi N of Paradise and back, hoping for Elaphe or Lampropeltis in the riparian woods along East Turkey Creek. Returning, I saw a large Crotalus atrox crawling out onto the dirt road 1.5 mi N of Portel on the dirt road to Paradise. Snake crawled rapidly back off road into heavy mesquite, moving ~8m before coiling, rattling all the time, after considerable struggle and some then