154 J. A. DAWSON 



LITERATURE CITED 



For additional literature, see part I of this study 



Balbiani, E. G. 1891 Sur la formation des monstres doubles chez les Infusoires 



cilies. Jour. Anat. Physiol., T. 27. 



1893 Nouvelles recherches experimentales sur la merotomie des In- 

 fusoires cilies. Pt. 2. Ann. d. Microg., Paris, T. 5. 

 Calkins, G. N. 1901 The Protozoa. Columbia University Press. 



1911 Effects produced by cutting Paramecium cells. Biol. Bull., 



vol. 21. 

 DoFLEiN, F. 1907 Beobachtungen und Ideen tiber die Konjugation der Infu- 



sorien. Sitz-Ber. f. Morph. u. Physiol., Miinchen, Bd. 23. 



1909. Lehrbuch der Protozoenkunde. Jena. 

 Jennings, H. S. 1906 Behavior of the lower organisms. Columbia University 



Press. 



1908 Heredit}^, variation and evolution in Protozoa. 1. The fate of 



new structural characters in Paramecium, etc. Jour. Exp. Zool., vol. 



5. 

 Johnson, H. P. 1893 A contribution to the morphology and biology of the 



Stentors. Jour. Morph., vol. 8. 

 Mast, S. O. 1909 The reactions of Didinivun nasutum (Stein) with special 



reference to the feeding habits and the function of trichocysts. Biol. 



Bui.., vol. 16. 

 Peebles, F. 1912 Regeneration and regulation in Paramecium. Biol. Bull., 



vol. 23. 

 Prowazek, S. 1904 Beitrag zur Kenntnis der Regeneration und Biologie der 



Protozoen. Archiv. f. Protistenk., Bd. 3. 



1904 a Degenerative Hyper-regeneration bei den Protozoen. Ibid., 



Bd. 3. 

 Simpson, J. Y. 1901 Observations on binary fission in the life-history of Ciliata. 



Proc. Roy. Soc. Edin., vol. 23. 

 Stocking, R. J. 1915 Variation and inheritance in abnormalities occurring 

 ^ after conjugation in Paramecium caudatum. Jour. Exp. Zool. , vol. 19. 



