Two New Cystocercous Cercariae from North America

Abstract

Following the description of the unique anchor-tailed Cercarta mirabilis by Braun (1891), Ward (1916) published an account of two similar American cystocercous species, Cercaria wrightw and C. anchoroides.The former of these American species had been previously mentioned by Wright (1885) and Leuckart (1886).Knowledge of the structure and relationship of this group is further augmented by the study of two new American species, for which the names Cercaria brookoveri and C. macrostoma are proposed.Cercaria brookoveri nov.spec.This interesting cystocercous cercaria was obtained by Professor