1916] CONTENTS. XIX 



Page. 



Caiidell, A. N., Dendrotettix quercus 255 



Chapin, R. M,, New Methods for the Analysis of Lime-sulphur Solutions, 



II 207 



Clark, W. M., and Lubs, H. A., Hydrogen Electrode Potentials of Buffer 



Mixtures 801 



Cobb, N. A., Masonry Bases for the Installation of Microscopes and Ac- 

 cessories 899 



Cole, F. R., New Species of Asilldae from Southern California 855 



Cook, O. F., Branching and Flowering Habits of Cacao and Patashte 730 



Cook, O. F., Determining Types of Genera 328 



Cook, O. F., Staircase Farms of the Ancients 794 



Cook, O. F., Quichua Names of Sweet Potatoes 129 



Cook, O. F., and Doyle, C. B., Germinating Coconuts 344 



Corbett, L. C, Horticultural Investigations — A Retrospect 234 



Coville, F. v., Taming the Wild Blueberry 744 



Coville, F. v., The Wild Blueberry Tamed 647 



Craighead, F. C, Insects in Their Relation to the Chestnut Bark Disease 756 



Crawley, H., The State of Piroplasma bigemimwi Which Occurs in the 



Cattle Tick 385 



Cushman, R. A., Descriptions of Six New Species of Ichneumon Flies 262 



Davis, J. J., A Nematode Parasite of Root Aphids 658 



Davis, J. J., A Progress Report on White Grub Investigations 760 



Du Bois, C, Forest Protection and Modern Invention 148 



Duckett, A. B., A Little-known Rabbit Ear Mite (Psoroptcs cuniculi) 80 



Edelmann, R., trans, by Mohler, J. R., and Eichhorn, A., Text-book of 



Meat Hygiene 678 



Ehrlich, J., A Method for the Determination of Alcohol in the Presence 



of Phenol 13 



Eichhorn, A., Biological Therapeutics 73 



Eichhorn, A., Experiments in Vaccination against Anthrax 74 



Etherton, W. A., Water Problem Simplified 496 



Evans, Alice C, The Bacteria of Milk Freshly Drawn from Normal 



Udders 674 



Fletcher, W. F., One Phase of Meteorological Influence Indicated by 



Hand Pollination of Several Commercial Varieties of Apples 237 



Gahan, A. B., New Genera and Species, with Notes on Parasitic Hymen- 



optera 262 



Gerry, Eloise, Tracheid Dimensions in Longleaf Pine and Douglas Fir 734 



Gibson, E. H., Some 1915 Notes on a Few Common Jassoidea in Central 



Mississippi Valley States 853 



Gibson, E. H., and Cogan, E. S., A Preliminai-y List of the Jassoidea of 



Missouri 463 



Girault, A. A., A New Genus of Elophidae from the United States 857 



Girault, A. A., A New Genus of Pteromalid Chalcidoid Hymenoptera from 



Noi-th America 857 



Girault, A. A., A New Phanurus from the United States, with Notes on 



Allied Species 659 



Girault, A. A., New Chalcidoid Hymenoptera 263 



Girault, A. A., New Encyrtidfe from North America 760 



Girault, A. A., Notes on Two South American Parasitic Hymenoptera 365 



Girault, A. A., Some New Chalcidoid Hymenoptera from North and South 



America 262 



Girault, A. A., Three New British Chalcidoid Hymenoptera, with Notes— 365 



