CONTE 
1. Crotalus durissus, - 
2 adamanteus, = 
3. oregonus, - 
4. Crotalophorus miliarius, 
oD. tergeminus, 
6. Kirtlandi, 
7. Trigonocephalus piscivorus, 
8. contortria, 
9. atro-fuscus, 
10. Elaps fulvius, — - - 
11. Coluber constrictor, — - 
12. obsoletus, - 
13: testaceus, - 
14, gultatus, - 
15, eximius, - 
1G: Couperi, - 
Ue vernalis, : 
18. punctatus, - 
Vou. WI—1 
Di Se 
