Microscopical Essays. 575 



191* Trichoda Sinuata. 



Trichoda oblonga depreffa, altero margine fmuato crinita, 

 poftice obtufa. An oblong depreffed trichoda, one margin hol- 

 low and hairy, the lower end obtufe. 



The inteftines feem to be more lymphatic than molecular ; it is 

 of a yellow colour, the hollow edge is that which is ciliated. It 

 was found in river water. 



192. Trichoda Praeceps. 



Trichoda membranacea, fublunata, medio protuberante, ex- 

 trorfum crinita. Membranaceous trichoda, fomewhat lunated, 

 protuberant in the middle, a row of hairs on the outfide. 



A pellucid membrane, the fore-part formed into a kind of 

 neck, one edge rifes into a protuberance like a hump back, the 

 other edge is convex. 



193. Trichoda Proteus. Fig. 5 6, 57s 58, 59, 6o 3 Plate XXV. 



Trichoda ovalis, poftice obtufa, collo elongata retra&ile, a pice 

 crinito. Oval trichoda, the lower part obtufe, with a long neck, 

 which it has a power of contracting or extending. 



Baker's EmpL for Micr, p. 340, 348. 



This 



