\'0L. ^■] VAN DEXBURGH AND SLEVIN— REPTILES OF UTAH 



109 



36. — Crotalus oregonus Holbrook. 

 Oiir collections include seven rattlesnakes from Utah. 



Six 



of these are typical C. oregonus in color and scale characters. 

 The seventh (No. 38098) seems to agree with the others in 

 squamation, but is creamy white in color without any darker 

 markings. This last specimen was caught out on the sandy 



