It was the crotalus tergeminus-found only in barren grounds, such as those inhabited by the prairie-marmot.
"The Boy Hunters"
Captain Mayne Reid
"You see"-Nagoya spoke as he finished the test he was making at the moment-"without a doubt it is crotalin, the venom of the rattlesnake, crotalus horridus."
"The Film Mystery"
Arthur B. Reeve
The genus Neotoma largely coincides in its over-all distribution with the genus crotalus, of the rattlesnakes.
"Ecological Observations on the Woodrat, Neotoma floridana"
Henry S. Fitch Dennis G. Rainey