IV CONTENTS OF VOLUME XLVII 



No. 5. NOVEMBER, 1924 



WHITE, GERTRUDE M. Reactions of the Larvce of tJic 

 Shrimp, Palannonetes vulgaris, and the Squid, Loligo 

 pc alii, to Monochromatic Light 265 



GLASER, OTTO. Fertilisation, Cortex, and Volume 274 



LOEB, LEO, AND BLANCHARD, K. C. Vital Staining of Aince- 



boc\tc Tissue of Limulus 284 



BUDINGTON, ROBERT A. The Manner of Copulation in a 



Turbellarian [form, Planaria macidata 298 



SMITH, H. W., AND CLOWES, G. H. A. The Influence of 

 Hydrogen Ion Concentration on Unfertilized Arbacia, 

 Astcrias and Cficctoptenis Eggs 304 



No. 6. DECEMBER, 1924 



SMITH, H. W., AND CLOWES, G. H. A. The Influence of 

 Hydrogen Ion Concentration on the Development of 

 Normally Fertilized Arbacia and Astcrias Eggs 323 



SMITH, H. W., AND CLOWES, G. H. A. The Influence of 

 Hydrogen Ion Concentration on the Fertilization Process 

 in Arbacia, Astcrias and Cha'toptcrus Eggs 333 



WILDER, INEZ A., AND PEABODY, E. B. H ermaphroditism in 



Eurycca bislincata 345 



