1919] CONTENTS. XXVII 



Page. 

 Wetmore, A., and F. Harper, A Note on the Hibernation of Kinostemon 



pennsylvamcum 260 



Wherry, E. T., Crystallography and Optical Properties of Three Aldopen- 



toses 202 



Wherry, E. T., The Reactions of the Soils Supporting the Growth of 



Certain Native Orchids 812 



Wherry, E. T., and E. Q. Adams, The Classification of Mimetic Crystals, 609 



White, G. C, Improved Transportation Service for Perishable Products. 488 

 White, G. F., A Note on the Muscular Coat of the Ventriculus of the 



Honeybee (Apis mcUifica) 700 



Wilcox, E. V., City Troops Take a Food Salient 389 



Willett, G., Bird Notes from Forrester Island, Alaska 351 



Williams, R. R., Some General Aspects of the "Vitamin" Problem 465 



Wilson, A. D., and C. W. Warburton, Field Crops 622 



Wilson, H. F., and J. J. Davis, A New Genus and Species of Aphid 355 



Winchell, A. N., and E. R. Miller, The Dustfall of March 9, 1918 616 



Wise, L. E., and E. Q. Adams, Photographic Sensitizing Dyes: Their 



Synthesis and Absorption Spectra 16 



Wise, L. E., E. Q. Adams, J. K. Stewart, and C. H. Lund, Synthesis of 



Photosensitizing Dyes, Pinaverdol and Pinacyanol 711 



Wood, W. B., The Oriental Peach Moth : A Japanese Fruit Insect Re- 

 cently Introduced into the United States 652 



Wright, R. C, Nitrogen Relations of Certain Crop Plants when Grown 



Alone and in Association 821 



Wright, S., Color Inheritance in Mammals, A T I-XI 869 



Yothers, W. W., The Mixing of Oil Emulsions with Lime-sulphur 



Solutions 454 



Young, A, W#i The Development of a Portable Insectary 752 



ILLUSTRATION. 



Page. 

 Fig. 1. — Diagram of life history of the strawberry leaf roller, showing 



the proper times during the season for spraying 755 



