coral, [10];

coronella, [83], [424], [435];

corral, [423];

counacouchi, counicouchi, [417];

couroucoucou, [419], [429];

courracouchi, [421];

craspedocephalus, [388], [396], a seq., [421], [423], [427];

crebo, cribo, [177];

[crotalidæ], [176], [270], [302], [318], [355], [357], [359], [362], [368], [381], et seq., [397], [494], [503];

[crotalus], [162], [269], et seq., [353], [375], [387], [421], [426], [495], [501], [519], [534], [541], [544], [553], [573], [574];