XXII EXPERIMENT STATION RECORD. [Vol.40 



Page. 

 Love, H. H., and W. T. Craig. The Relation between Color and Other 



Characters in Certain Avena Crosses 239 



Lubs, H. A., A Method for the Purification of Certain Azo Dyes 808 



Lund, C. H., and L. E. Wise, Intermediates Used in the Preparation of 



Photo-sensitizing Dyes. — II, Quaternary Halids 711 



Lyman, G. R., The Relation of Phytopathologists to Plant Disease Sur- 

 vey Work 449 



Lyman, G. R., The Unification of American Botany 817 



Lyman, G. R.. et al., Report of the Conference on Diseases of Potatoes 



and Seed Certification 84G 



McAtee, W. L., A Sketch of the Natural History of the District of Co- 

 lumbia, together with an Indexed Edition of the U. S. Geologca] Sur- 

 vey's 1917 Map of Washington and Vicinity 100 



McAtee, W. L., Cause of the " Fishy " Flavor of the Flesh of Wild Ducks, 2". 

 McAtee, W. L., Notes on Nova Scottan Eupteryid Leaf Hoppers, Includ- 

 ing Descriptions of Two New Species 281 



McAtee, W. L., Genera of the Eupterygidrc 354 



McAtee, W. L., Psyllida? of the Vicinity of Washington, D. C, with De- 

 scription of a New Species of Aphalara 864 



McAtee, W. L.. ami A. N. Caudell, First List of the Dermaptera and Or- 



thoptera of Plummers Island, Md., and Vicinity 049 



McAtee, W. L., and W. R. Walton, District of Columbia Diptera: Taban- 



idffl 757 



McClelland, T. B.. Influence of Foreign Pollen on the Development of 



Vanilla Fruits 840 



McCulIoch, L., A Morphological nnd Cultural Note on the Organism Caus- 

 ing Stewart's Disease of Sweet Corn 840 



McGregor, E. A., A New Host Plant of the Boll Weevil 758 



MacKaye, B., Suggestions for Marketing Small Umber in Wisconsin 154 



McKee, R., Glandular Pubescence in Various Medlcago Species 137 



MacMillan, H. G., Fusarlum Bllgbl of Potatoes under Irrigation 847 



Marlatt, C. L., The Origin of the Pink Bollworm 466 



Meigs, E. B., The Quantitative Determination of Phosphorus by the 



Nephelometric .Method 112 



Meinecke, E. P., The White Pine Blister Rust and the Chestnut Park 



Disease K>9 



Merill, E. C, and C. O. Ewing, Laboratory Apparatus for Rapid Kvapo- 



ration .".or, 



Merz. A. R., Russia's Production of Platinum 12 



Middleton, W., Notes on the Larv:p of Some Cephida 866 



Mikeska L. A., J. K. Stewart, and L. E. Wise. Intermediates Used in 



the Preparation of Photo-sensitizing Dyes. — I, Quinoliu Bases 710 



Mitchell, J. A., Bear Clover, Chamabatia foJiolosa (Mountain Misery. 



Bearmat. Tarweod ) S42 



Mohler, J. R., The Bureau of Animal Industry as a War Auxiliary 577 



Mohler, J. R., Maintaining Animal Health on Farms 577 



Mohler, J. R., The Control of Animal Diseases 778 



Mohler, J. R.. Erroneous Impressions of Certain Federal Activities 778 



More, C. T., Uniform Grades and Standard Packages 293 



Mosier, C. A., and T. E. Snyder, Notes on Gadflies in the Florida Ever- 

 glades 757 



Munns, E. N., Some Biological and Economic Aspects of the Chaparral-- S42 



