J. R. SHAVER 289 



centrifuged eggs of sea-urchins. Sci. Repts., Tohoku hnp. Univ., 

 Ser. 4, 18, 117-25. 



Nath, v., and S. K. Malhotra. 1954. Microphotographs demonstrating 

 the vacuome, Golgi bodies and nucleolar extrusions in fresh eggs 

 of the frog as studied under phase contrast microscopy. Research 

 Bull. East Panjab Univ. Zool, 59/60, 149. 



Nigon, v., et Delavault, R. 1952. L'evolution des acides nucleiques 

 dans les cellules reprodutives d'un Nematode pseudogame. Arch. 

 Biol. 63, 393-409. 



Novikoff, A., E. Podber, J. Ryan, and J. Noe. 1953. Biochemical hetero- 

 geneity of the cytoplasmic particles isolated from rat Hver homo- 

 genates. /. Histo- and Cytochem., 1, 27-46. 



Paigen, K. 1954. The occurrence of several biochemically different 

 types of mitochondria in rat liver. /. Biol. Chem., 206, 945-58. 



Palade, G. 1952. Fine structure of mitochondria. Anat. Record, 113, 

 539-40. 



Palade, G. 1954. Cited in /. Histo- and Cytochem., 1, 265. 



Panijel, J. 1951. Evolution des granules cytoplasmiques et conditions 

 de synthese des ribonucleoproteides. Experientia, 7, 100-2. 



Pollister, A. W. 1954. Cytochemical aspects of protein synthesis. In 

 Dynamics of Growth Processes, E. J. Boell, editor. Univ. Princeton 

 Press, Princeton, N. J. Pages 33-67. 



Porter, K. R. 1955. The fine structure of cells. Federation Proc, 14, 

 673-82. 



Romeis, B. 1913. Beobachtungen uber die Plastosomen von Ascaris. 

 Arch. Anat., 81. (Cited in Wilson, 1928, p. 711.) 



Runnstrom, J. 1928a. Zur experimentellen analyse der Wirkung des 

 Lithiums auf den Seeigelkeim. Acta Zool, 9, 365-424. 



Runnstrom, J. 1928b. Plasmabau und Determination bei den Ei von 

 Paracentrotus lividus Lk. Arch. Entwicklimgsmech., 113, 556-81. 



Runnstrom, J. 1949. The mechanism of fertilization in Metazoa. Ad- 

 vances in EnzymoL, 9, 241-327. 



Runnstrom, J. 1952. The cytoplasm, its structure and role in metabo- 

 lism, growth and differentiation. In Modern Trends in Physiology 

 and Biochemistry, E. S. Guzman-Barron, editor. Academic Press, 

 New York. Pages 47-76. 



Runnstrom, J., E. Wicklund, and R. Low. 1954. Fertilization and de- 

 velopment of the sea-urchin egg, Arbacia lixula, under the influence 

 of fractions of egg homogenates. Exptl. Cell Research, 6, 459-78. 



Schneider, W. C, aijd G. H. Hogeboom. 1950. Cytochemical Studies 



