Journal W. Riever 1949 27 June Hobbie Creek to 22.5 mi. ESE Desert, Millard Co., Utah DOR, for record only, at same spot. DOR Crotalus viridis noted 8.4 mi. NE Millard Co. line in Juab Co., and a short distance further stopped again to hunt reptiles on very extensive area of sand dunes. Dunes were 26.0 mi. E.S.W. Eureka in Juab Co. Was impressed with area (probably several square miles) which sand covered and also with "perfect" nature of sand and growth and insect life for large population of lizards and snakes of dune inhabiting type. Several hours search revealed nothing but Sceloporus gracilis and a few Crotaphytus viriligenii. Tracks of those species as well as those of rodents, beetles and caterpillars were common but could find not a single trace of a snake track. Could not have been obliterated either since rodent tracks of previous night still very fresh. At time it was thought dunes might be isolated pocket and not available for occupation by dune forms. But further travel down highway showed other extensive sand deposits present. Is this apparent paucity of snakes in