398 HANDBOOK OF PROTOZOOLOGY 



Cothurnia nodosa Claparede and Lachmann (Fig. 170, /). 

 Cup 75 microns long; stalk 35 to 40 microns long. 



Genus Vaginicola Lamarck. Body elongate and cylindrical ; 

 ciliation and peristomal structure similar to those of Vorti- 

 cella, but with a vase-like lorica. Several species in fresh water. 



Vaginicola crystallina Ehrenberg (Fig. 179, m). On fresh- 

 water plants. Lorica about 120 microns long. 



Genus Lagenophrys Stein. Similar to Vaginicola, but the 

 aperture of the lorica narrow and thickened. Attached to 

 freshwater animals. 



Lagenophrys ampulla Stein (Fig. 170, n). Attached to 

 Gammarus and Asellus. Diameter of the sheath 50 to 70 

 microns. 



Family 3 Licnophoridae Stevens 



Genus Licnophora Claparede. Spiral girdle left-handed and 

 ciliated. Adoral sucker surrounded by a circle of cilia. Salt 

 water. 



Licnophora macfarlandi Stevens (Fig. 170, o). Attached to 

 various marine invertebrates, such as medusae, polychaetes, 

 etc. Body length about 60 microns. 



Family 4 Spirochonidae Grobben 



Genus Spirochona Stein. A delicate spiral membrane at the 

 anterior end of the body. The posterior end serves for ad- 

 hesion, often showing pseudopodial lobes. Exogenous budding. 

 One macronucleus, one to three micronuclei. Attached to 

 Crustacea. Several species. 



Spirochona gemmipara Stein (Fig. 170, p). Attached to 

 fresh-water crustaceans. Body 40 to 110 microns in length. 



References 



Kent, W. S. 1881-1882 A manual of the Infusoria. Vol. 2. 

 Stein, F. 1868 Der Organismus der Infusionstiere. Vol. 2. 

 Stokes, A. C. 1881 A preliminary report toward a history of 



the fresh-water Infusoria of the United States. Jour. 



Trenton Nat. Hist. Soc, Vol. 1. 



