c«8 Microscopical E s say s. 



The body is round and long, and when extended refembles a 

 rolling-pin in fhape, with the ends obtufe, and one fhorter than 

 the other; it can draw in the ends, and fwell out the fides, fo 

 as to. appear almoft fpherical. 



197. Trichoda Patens. Fig. 54. 



Trichoda elongata, teres, antice foveata, fovsa marginibus, 

 cihata. This trichoda is long, round, in the fore-part it has a 

 long hole, the edges of which are ciliated. 



; It is a long cylindrical animalculum, filled with molecules, the 

 'fore-part bright and clear, a long opening (a) near the top, which 

 tapers to a point, and is befet with hairs. It is found o£, 

 different lengths in fait water. 



198. Trichoda Patula. 



, Trichoda ventricofa, fubovata, antice canaKcuIata, apice 8c 

 canaliculo crinito. Ventrieofe, rather inclining towards an oval 

 figure, with a fmall tube at the fore-part, the upper end of the 

 tube befet with hairs. 



199. Trichoda Foveata. 



Trichoda oblonga, latiufcula, antice corniculis rmcantibus> 

 poftice mutica. Oblong trichoda, rather broad, three little 

 horns on the fore-part, the hinder-part beardlefs. 



200. Tri- 



