[Vol. 35, 191G] 



LIST OF PUBLICATIONS. 



IX 



U. S. Department of Agriculture — Con. 



Scientific Contributions: a Page. 



The Chemical Nature of the 

 "Vitamins," I, R. R. Wil- 

 liams 711 



Note on the Detection of 

 Faulty Sizing in High-grade 

 Papers, C. F. Sammet 718 



The Scope and Relation of 

 Taxonomic Botany, A. S. 

 Hitchcock 730 



Notes on Quamasia with a De- 

 scription of a New Species, 

 C. V. Piper 730 



Branching and Flowering Hab- 

 its of Cacao and Patashte, 

 O.F.Cook _. 730 



Tracheid Dimensions in Long- 

 leaf Pine and Douglas Fir, 

 Eloise Gerry 734 



Some History of the Grape in 

 the United States, G. C. 

 Husmann 744 



Taming the Wild Blueberry, 

 F. V. Coville 744 



The Effect of Organic Matter 

 on Citrus Growth, J. F. 

 Breazeale 745 



California Grapefruit, A. D. 



Shamel 745 



The W^oodlot: Its Present 

 Problems and Probable Fu- 

 ture Status in the United 

 States, C. R. Tillotson 746 



Hewn-tie v. Saw-timber Rota- 

 tions, C. F. Korstian 746 



Water Requirements and 

 Growth of Young Cypress, 

 W. R. Mattoon 747 



Early European History and 

 Botanical Name of the Tree 

 of Heaven, W. T. Swingle. . 747 



The English Names of Some 

 Trees, W. W. Ashe 747 



Forests of Crater Lake Na- 

 tional Park, J. F. Pernot. . . 748 



Utilization of Wood Waste by 

 Chemical Means, H. F. 

 Weiss 748 



U. S. Department of Agriculture — Con. 



Scientific Contributions — Contd. Page. 



Important Foreign Insect Pests 

 on Imported Nursery Stock 

 in 1915, E. R. Sasscer 755 



Inspection Facilities in the 

 District of Columbia, E. R. 

 Sasscer 755 



On the Hawaiian Work in In- 

 troducing Beneficial Insects, 

 L.O.Howard 755 



Notes on the Life History of 

 Ecpantheria eridanus, R. H. 

 Van Zwalenburg 758 



Notes on the Relation of In- 

 sects to the Spread of the 

 Wilt Disease, H. W. Allen . . 758 



Four European Diptera Estab- 

 lished in North America, F. 

 Knab 759 



Tanypezidse in the United 

 States, F. Knab and R. C. 

 Shannon 759 



Summary Facts About the In- 

 troduction of Pleurotropis 

 epigonus, W. R. McConnell. 760 



Parasitism Among Larvae of 

 Mediterranean Fruit Fly, E. 

 A. Back and C. E. Pember- 

 ton 760 



FxKther Notes on Prospaltella 



berlesci, L. O. Howard 760 



Designations of Muscoid Gen- 

 otypes, With New Genera 

 and!^ Species, C. H. T. Towns- 

 end... 760 



Elucidations of New England 

 Muscoidea, C. H. T. Town- 

 send 760 



A Progress Report on White 

 Grub Investigstions, J. J. 

 Davis 760 



New Encyrtidse from North 

 America, A. A. Girault 760 



Some Difl[iculties in Diagnosis 

 of Infectious Brood Diseases 

 of Bees, A. H. McCray 761 



Stau-case Farms of the An- 

 cients, O. F. Cook 794 



a Printed in scientific and technical publications outside the Department. 



