DISTRIBUTION OF SUBSTANCES IN SPERMATOZOON*. 257 



The spermatozoa also undergo in the egg-water more extensive 

 alterations, which are expressed by changes in the arrangement 

 of the substances and as the end result we have the formation 

 of the lateral body as described above. 



ADDITIONAL REFERENCES. 



1. Bowen, R. H. 



'20 Studies on Insect Spermatogeneois. I. The History of the Cyto- 

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2. Bowen, R. H. 



'23 On the Idiosome, Golgi Apparatus and Acrosome in the Male Germ 

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3. Alexeieff, A. 



'24 Comparaison entre la structure des spermatozoides et celle des flagelles. 

 Arch. f. Protistenkunde, XLIX., p. 104. 



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'23 The Mechanism of the Entrance of Sperm into the Starfish Egg. 

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'24 Specificity in Fertilization. Science, p. 162. 



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'24 Recherches experimentales a propos du processus de la fecondation 

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9. Najera, F. C. 



'23 Contribution a 1'etude de la sterilite. Rev. Mexicana. Biol., III., 159. 

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'24 Befruchtungsstudien. IV. Ueber den Einfluss von Nichtelektrolyten 

 auf die Permeabilitat der Spermatozoen. Pfluger's Arch., 206 Bd., 

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 it. Yensen, O. S. 



'86 tiber die Struktur der Samenkorper bei Saugetieren, Vogeln und 

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'25 Les elements sexuelles de Gryllotalpa vulgaris Lati. Arch, de Zool. 

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13. Toedtmann, W. 



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'24 Die Spermatozoen von Formica rufa L. Zool. Anz., Bd. 68, S. 52. 



the tip of the spermatozoon might be the product of its secretion, "On the Acrosome 

 of the Animal Sperm," Anatomical Record, Vol. 28, 1924, p. i. 



