A survey is made of the taxonomic literature on South American rattlesnakes (genus Crotalus. family Viperidae). Two main areas are emphasized: the attribution of the names proposed in the eighteenth century by Linnaeus and Laurenti. and the current scheme of division in subspecies. https://safeersappliancers.shop/product-category/beko-ka52nek-50-cm-gas-cooker-black-lpg-convertible/