FERDELANCE

(fer-de-lins), the lance-headed viper of Oraspedeccphéalus (Bothrops) lanceolatus, a serpent. common in Brazil and some of the West Indian Islands, and cone of the most terrible members of the rattlesnake family (Crotalidez). It is 5 to 7 feet in length. The tail ends in a horny spine which scrapes harshly against. rough objects but does not rattle. Its bite is almost certainly fatal.