A large number of specimens, incluiling the types of all but one nominal speciesof Parulariuco were examined. Five specibs are recognized,. P. stigmobraclriurn is veryclose to P. typus; Culter siamr;nsir IIORA anil C. uolfi FOWLER are synonyms of Pcralaubuca
lmrmatdi. The character on which the genus Cultropt was based (the preaumedtripartite air bladder) proved to be wrong; Cultops is a synonym of Paralatfruca. TL.eformulae indicatdd by FOWLER anrl SMITH for some species do not apply to thespecinene.