18 PROTOZOA. 



4. Examine carefully the relation of the stalk to the cell 

 body. Compare with that of Vorticella. 



If the material is available study Podophrya and allied 

 forms, with particular reference to the method of budding. 



Collin: fitude monographique sur les Acinetiens. Arch. Zool. Exp. et 



Gen., 1911 and 1912. 

 Root: Reproduction and Reactions to Food in the Suctorian, Podophrya 



Collini, u. yp. Arch. f. Protistenk., 35, 1914. 



