812 MORPHOGENESIS 



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Bauer, E. S., and A. M. Granowskaja. 1934a. Die Rekonstruktion des Kerns 

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1934b. Abhangigkeit der experimentellen "individuellen Unsterblich- 



keit" vom Alter. Biol. Zbl., 3: 609 (Berichte u. wiss. Biol., 33, 282). 



Becker, E. 1928. Streaming and polarity in Mastigina hyale. Biol. Bull., 54: 



109-16. 

 Bills, C. E. 1922. Inhibition of locomotion in Paramecium and observations 



on certain structures and internal activities. Biol. Bull., 42: 7-13. 

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Amoeba proteus. Arch. Protistenk., 79: 303-10. 

 Bullington, W. E. 1925. A study of spiral movement in the ciliate infusoria. 



Arch. Protistenk., 50: 219-74. 

 Burch, P. R. 1930. The effect on the division rates of Arcella vulgaris and A. 



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loss of cytoplasm; 3. of the gain of cytoplasm. Arch. Protistenk., 71: 



307-22. 

 Burnside, L. H. 1929. Relation of body size to nuclear size in Stentor coeru- 



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1911b. Effects produced by cutting Paramecium cells. Biol. Bull., 21: 



36-72. 



1919. Uroleptus mobilis, Engelm. I. History of the nuclei during divi- 

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1921. Uroleptus mobilis, Engelm. IV. Effect of cutting during conjuga- 

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1934. Factors controlling longevity in protozoan protoplasm. Biol. Bull., 



67: 410-31. 



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36-54. 



