, the free swimming the fact that it is more frequently found adhering to the from the sand, and rather conspicuous in the little puddles leeches have ringed bodies, the parasitic leeches of fish different members of the skate or ray family of fishes, it fe left by the receding tide. Round their… … ing in contact with the plants or compressed and contracted about rock work sides of the tank, but re- the head, like a brush; and as the mained suspended night and day in TEREBELLA EMMALINA.- [Natural size] HERHELLA— [Magnified.] animal is very soon exhausted by the open clear mid-water. Still,…
