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HANDBOOK OF PROTOZOOLOGY 



worms, Polydora caeca and P.flava. Body ovoid with depressed 

 ventral surface. Macronucleus branches out characteristically. 



Genus Biitschliella Awerinzew. Body elongate cylindrical. 

 Macronucleus elongated; several contractile vacuoles arranged 

 in a longitudinal row. 



Biitschliella opheliae Awerinzew (Fig. 146, b). In the marine 

 worm, Ophelia limacina. 



Fig. 146 



a. Rhizocaryum concavum, dividing form. X665. 



b. Biitschliella opheliae. X350. 



c. Anoplophrya naidos. X200. 



d. Mesnilella clavata. X200. 



e. Hoplitophrya liimbrici. X 140. 



f. Maupasella nova. X280. 



g. Schultzellina mucronata. X665. 



h. Kojoidella eleutheriae. X265 (All from Cepede). 



