218 GENERAL EMBRYOLOGY 



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LOEB, J., Ueber die Befruchtung von Seeigeleiern durch Seesternsamen. 

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MASING, E., Ueber das Verhalten Nucleinsaure bei der Seeigeleies. 

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MINOT, C. S., The Problem of Age, Growth, and Death. New York. 

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MORSE, M. W., Maturing Reagents and those inducing Segmentation in 

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NEMEC, B., Das Problem der Befruchtungsvorgange und andere cyto- 

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PHILLIPS, E. F., A Review of Parthenogenesis. Proc. Am. Phil. Soc. 

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RtJCKERT, J., Ueber Polyspermie. Anat. Anz. 37. 1910. 



SCHAUDINN, F., Ueber die Copulation von Actinophrys sol. Sitz.-Ber. 

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SILVESTRI, F., Ricerche sulle fecondazione di un animale a spermatozoi 

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SOBOTTA, J., Die Reifung und Befruchtung des Eis von Amphioxus 

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TENNENT, D. H., and HOGUE, M. J., Studies on the Development of 

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WEISMANN, A., (See ref. Ch. I.) 



WILSON, E. B., (See ref. Ch. II.) 



WOODRUFF, L. L., The Life Cycle of Paramecium when subjected to a 

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YATSU, N., The Formation of Centrosomes in Enucleated Egg-Frag- 

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