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3" Osterhout, W. J. Y., Protoplasmic contractions resembling plas- 

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■43 Osterhout. W. J. Y., Organization of the cell with respect to per- 

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+^ Osterhout, W. J. Y., Yitalitv and injury as quantitative concep- 

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43 Porchet, F., and Chouard. E., De Paction des sels de cuivre sur les 

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49 Ritthausen, H., Yerbindungen der Eiweisskor])er mit Kupferoxyd, 

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