40 PLAT® BViu. 
Pd 'Gy oi 
TRICHODA VERMICULARIS. 
GCENERIC CHARACTER. 
An invifible, pellucid, hairy worm. 
SPECIFIC CHARACTER. 
Long cylindrical trichoda, with a fhort neck, the apex hairy. 
Is found in river water, and can aflume various forms, as fhewn 
in the annexed plate. 
PLATE 
