16 PROTOZOA. 



2. Study the method of exogenous budding. What is the 

 relation of this type to simple division? Is the number of 

 buds in process of formation the same on all specimens? 



3. Fix, stain, and mount in balsam a piece of hydroid with 

 many Euplotes attached. Under the high power note the 

 character of the macronucleus and its relation to the buds. 

 Are micronuclei visible? 



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: Etude monographique BUT les Acine'tiens. Arch. Zool. Exp. et 

 Gen., 1911 and 1912. 



