326 DESCRIPTION OF [Polygastrica. 



body, these are longer near the brow ; short climbing setae 

 probably exist posteriorly, between the cilii. Poly gastric 

 cells are distinct, as also vesicles containing a beautiful 

 rose-coloured digestive fluid; the mouth has a hollow 

 cylinder of wand-like teeth. Minute green ova granules (?) 

 and a large oval bright central gland represent the propa- 

 gative organs. Self- division unknown. 



553. CHL.AMIDODON mnemosyne. The rose Chlamido- 

 don. Body flat, elliptical, sometimes dilated anteriorly, as 

 shewn at Jig. 349. It is of a clear green or hyaline hue, 

 with brilliant rose-coloured vesicles ; delicate longitudinal 

 lines are seen upon the surface of the animalcule, and 

 appear to be on the lorica. Ehrenberg counted sixteen 

 wand-like teeth disposed cylindrically. The movement is 

 quick and powerful, like Euplotes. Found with Zostera 

 and Scytosipyon. Size 1 -570th. 



Genus CXXXIII. EUPLOTES. The skiff-like or boat 

 Animalcules possess cilii, styles, and uncini, which are 

 powerful locomotive instruments, but no teeth. Polygas- 

 tric cells have been filled in four species with coloured 

 food; in the others bright vesicles evidence them; the 

 termination of the alimentary canal is indicated in one 

 species by the discharge, in the rest by the projecting 

 little shield ; the digestive juice is colourless ; the propa- 

 gative organs are probably double in seven species, in one 

 completely so. Ova, which are white, are seen in four 

 species; oval or round simple glands exist in three; a single 

 contractile vesicle in five ; and in a sixth two vesicles are 

 observed. Self-division, transverse and longitudinal, has 

 been observed in one species, and transverse only in two 

 or four others. 



