fluviatile

The species are Diaphanosoma fluviatile, which is from Central and South America and the Caribbean, and Mesocyclops pehpeiensis, which is native to tropical and temperate areas of Asia.

The river crab, Potamon fluviatile, sneaks along streams throughout much of Italy, Greece and nearby Malta, Albania, Croatia and Macedonia.

A uniform olive green, or brown tint, pervades all the fluviatile genera; their specific distinctions rest on characters which frequently require long and perplexing descriptions, but which can be explained by the artist with ease and precision.

Animal fluviatile, branchiatum, viviparum, rostro brevissimo; oculis ad basin externam tentaculorum acutorum 2 appositis; pedis margine antico duplici; lateribus antic� alis parvis instructis; al� dexter� involut� in canalem per quem aqua in tracheam introducitur.

Animal fluviatile, branchiated, viviparous; rostrum very short; eyes placed at the external base of two pointed tentacula; anterior border of the foot double; on each side the fore part of the body a small wing; that on the right side is folded into a channel, by which the water is introduced into the respiratory canal.