4t PLATE XVIL 



F I G. IIL 

 TRICHODA VERMICULARIS, 



GENERIC CHARACTER. 



An invifible, pellucid, hairy worm. 



SPECIFIC CHARACTER. 

 Long cylindrical trichoda, with a fliort neck, the apex hairy. 



Is found in river water, and can affume various formsj as in pu^c 



iigure fhewn. 



PLATE 



