530 PROTOZOOLOGY 



terminal; macronucleus much elongated, central or posterior; in 

 colon of Ctenodactylus gundi. 



C. gundi C. et P. (Fig. 242, c). 550-600/x by lOO/z. 



Genus Buxtonella Jameson. Ovoid; a prominent curved groove 

 bordered by 2 ridges from end to end; cytostome at anterior end; 

 ciliation uniform; in caecum of cattle. One species. 



B. sulcata J. (Fig. 242, d). 55-124^ by 40-72^. 



References 



Chatton, E. and C. Perard 1921 Les Nicollelidae, infusoires 



intestinaux des gondis et des damans, et le 'cycle evolutif des 



cilies.' Bull. biol. Fr. et Bel., Vol. 55. 

 Kahl, a. 1931 Urtiere oder Protozoa. Dahl's Die Tierwelt 



Deutschlands. Part 21. 

 Kent, W. S. 1880-1882 A manual of Infusoria. 

 Stein, F. 1867 Der Organismus der Infusionstiere. Vol. 2. 

 Stokes, A. C. 1888 A preliminary contribution toward a history 



of the freshwater Infusoria of the United States. Jour. 



Trenton Nat. Hist. Soc, Vol. 1. 

 Wenrich, D, H. 1929 Observations on some freshwater ciliates. 



II Paradileptus, n.gen. Trans. Amer. Micr. Soc, Vol. 48. 



