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'15 Note on the Effect of X-radiation on Fertilizin. BIOL. BULL.. 



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 '26 Sperm Filtrates and Dialyzates. Their Action on Ova of the 



Same Species. BIOL. BULL., Vol. 50, pp. 301-338. 

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'240 The Influence of Hydrogen Ion Concentration on Unfertilized 

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'246 The Influence of Hydrogen Ion Concentration on the Develop- 

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*24c The Influence of Hydrogen Ion Concentration on the Ferti- 

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'26 The Effects of Radiations from a Quartz Mercury Vapor Arc 

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'21 Le role physiologoque de 1'enveloppe gelatineux de 1'oeuf 

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Wels, P. 

 '23 Der Einfluss der Rontgenstrahlen auf Eiweisskorper. Pfliiger's 



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'18 Studies on the Physiological Significance of Certain Precipitates 

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30 



