C. vulgaris, [449], [460] f.

Crotalinae, [644]

Crotalus, [648];

rattle of, [644];

C. adamanteus, [649], [650];

C. confluentus, [649], [650];

C. durissus, [648], [649], [650];

C. horridus, [649];

C. terrificus, [650]

Cryptobranchus, [84], [96], [99];