[ 57 ] 
sa Sanh a et Dingo). A 
Fr Gor. 
TRICHODA COMETA. 
GENERIC CHARACTER. 
An invifible, pellucid, hairy Worm. 
SPECIFIC CHARACTER. 
Spherical, the fore part hairy, with an appendant globule. 
Pl Ge. “hl: 
TRICHODA LONGICAUDA. 
SPECIFIC CHARACTER. 
Cylindrical, the firft part truncated, and fet with hairs. The tail 
long, with two joints, and terminated by two briftles. 
PlG.7 Ty, 
VORTICELLA TROCHIFORMIS NIGRA. 
CENERIC CHARACTER. 
' A Worm, capable of contracting or extending itfelf, naked, with 
rotatory cilia. 
SPECIFIC CHARACTER, 
Top-fhaped black vorticella. 
K2 This 
