284 DESCRIPTION OF {Polygantrica. 



442. Trichoda(?) Mthiopica. The JEthiopian Trkhoda. 

 — Body oblong, attenuated posteriorly, and the under side 

 flat; mouth large. Size 1 -600th. 



443. Trichoda Asiatica. The Asiatic Trichoda. — Body 

 oval, oblong, cylindrical, rounded at both ends ; mouth 

 small. Size 1 -860th. 



444. Trichoda pyrum {Kolpoda pyrum, M.) The 

 pear-shaped Trichoda. — Body ovate, turgid, acute an- 

 teriorly. Found amongst conferva and infusion of celery. 

 Size l-1200th. 



Genus CV. Lacrymaria. The tear Animalcules. — 

 Body furnished with a long narrow neck, slightly enlarged 

 near the termination, where the ciliated and lateral (lipped) 

 mouth, destitute of teeth, is situated. The body is not 

 ciliated. Locomotion is performed by means of the neck, 

 the distensible body, and the cilii at the mouth. The 

 proboscis-like lip is very short, sometimes distinctly articu- 

 lated, and projects but Uttle beyond the oral orifice. Its 

 polygastric structure can be demonstrated by employing 

 coloured food, and its discharge at the end recognized in 

 one species ; in another green (ova) granules are present. 



445. Lacrymaria proteus {Trichoda proteus, M.) 

 The changeable Lacrymaria. — This creature has an 

 oblong turgid body, with~ delicate transverse folds. The 

 neck is capable of considerable extension, as seen in the 

 engraving {plate m.), figures 274, 5 ; in the former it is ex- 

 tended, in the latter contracted. It resembles Trachelocerca 

 olor, but its posterior extremity is rounded, at the centre 

 of which is the discharging orifice. Reproductive organs 

 are unknown. Found amongst lemna. Size, stretched 

 out, 1- 140th. 



