Enchelia.'] THE INFUSORIA. 287 



453. LEUCOPHRYS(?) anodontae (Leucophra Jlinda, M.) 

 The muscle Leucophrys has an oval, turgid, and transpa- 

 rent body, rounded at both extremities. Found in Siberia 

 and Copenhagen. Size l-430th. 



Genus CVII. HOLOPHRYA. The wool Animalcules 

 comprehend Enchelia covered with vibratile cilii ; the 

 mouth anterior, directly truncated, and without lip or 

 teeth. They might be termed ciliated Enchelyses. The 

 digestive cells have been seen in all the species, and in 

 two the mouth and discharging orifice. The cilii are dis- 

 posed in longitudinal rows. In H. ovum, organs of pro- 

 pagation (green granules and a posterior contractile blad- 

 der) are observable; self-division appears to be transverse 

 in H. discolor. 



454. HOLOPHRYA ovum (Leucophra bursata, M.) The 

 egg-shaped Holophrya. Body ovate, somewhat cylindrical, 

 extremities sub-truncated. (See Jig. 28 1 .) The ova are 

 green. Found amongst lemna and conferva. Size 1 -570th 

 to 1-2 10th. 



455. HOLOPHRYA discolor (Trichoda horrida, M.) The 

 conical Holophrya. Body white, ovate, conical, sub-acute 

 at the posterior extremity; the cilii long and scattered. 

 Found amongst conferva. Size 1 -240th. 



456. HOLOPHRYA coleps (Leucophra globulifera t M.) 

 The cylindrical Holophrya has an oblong, cylindrical body, 

 rounded at both extremities. It is of a white hue. Size 

 l-430th to l-280th. 



Genus CVIII. PRORODON. The toothed-cylinder Ani- 

 malcules. This remarkable genus is distinguished by its 

 directly truncated mouth, furnished with a circlet of in- 

 ternal teeth. The body is covered with vibratile cilii. A 



