X 



LIST OF PIT B LIGATIONS. 



(Vol.37 



U. S. Department of Agriculture — Contd. 



Scientific Contributions— Contd . ^aK«- 



The ArsenateB of Lead. — III, 

 Basic Arsenates, C. C. 

 McDonnell andC. M.Smith. 410 



Indirect Measurements of the 

 Rotatory Powers of Some 

 Siipars, C. S. Hudson and 

 E. Yanovsky 410 



The Preparation of Beta Glu- 

 coeo, A. W. Mangam and 

 S. F. Acree 410 



The Preparation of Xvlose, 

 C. S. Hud.-^on and t. S. 

 Harding 410 



Inflammability of Carbonace- 

 ous Du.-^ts, 11. H. Brown and 

 J. K. Clement 410 



The 01eore.-*in of Douglas Fir, 



A. W. Schorger 411 



The Chemical Nature of the 

 Vitamins, III, R. R. Wil- 

 liam.s 411 



A Method for the Examination 

 of Methyl Salicylate, A. R. 

 Albright .' 415 



Notes on the Rubber from 

 Eucovxmia ulmoule*, A. F. 

 Sievers 417 



The Extraction of Potash from 

 Silicate Rocks, II, W. H. 

 R(K^ 427 



Oxidase Activity of Plant 

 Juices and Hydrogen Ion 

 Concentrations, H. il. Bun- 

 2ei 429 



Polar Bear Cacti," O. F." Cook 

 and Alice C. Cook 434 



Taxonomic Botany and the 

 Waf=liington Botanist, A. S. 

 Hitchcock 435 



Grasses in Rt^latinn to Dry 

 Farming, C. V. IMper 437 



Cultivation to Cons«.'rve Soil 

 Moisture, W. W. Burr 437 



Dry-land Agriculture Investi- 

 gations in the Groat Plains 

 Area, E. C. Cliilcott 437 



Some Effects of Legumes on 

 A.'jsociated Nonlegumes, M. 

 W. Evans 4.38 



Peanut Growing in the Cotton 

 Belt, H. C. Thomi)sou 442 



Some Recent Investigations in 

 Sugar Beet Breeding, F. J. 

 Pritchard 442 



The Problem of Making Vol- 

 ume Tables fur Use on tho 

 National Forests, T. T. 

 Munger 450 



U. S. Department of Agrindture — Contd. 



Scientific Contributions — Contd. Pa6«- 



Volume of Western Yellow 

 Pino Logs from an Actual 

 Mill Tally, S. Berry 451 



Effect of Depth of Covering 

 Seed on Germination and 

 Quality of Stock, S. B. Show 451 



Forest Succession in the Cen- 

 tral Rocky Mountains, C. G. 

 Bates 451 



Douglas Fir Ship Building, 

 H. B. Oakleaf 452 



The Purchase of Pulpwood. — 

 Some Suggestions, C. P. 

 Wiaslow and R. Thelen 452 



Some Suggestions on the Con- 

 trol of Mistletoe in the North- 

 west, J. R. Weir 458 



Recognition Among Insects, N. 



E.McIndoo 459 



[Parasite Work in Maine], J. N. 

 Summers 459 



Simulidte of Northern Chile, 

 F. Knab 4fjO 



Ri'flumti of Work in Peru on 

 I'hkbotomus vernirarum and 

 Its Agency in the Trans- 

 mission of Vi'miga, C. H. 

 T. Townsend 4«>0 



Discoverv and Interpretation 

 of the Stages in the Asexual 

 Cycle of tho Organism of 

 Verruga Peru^^ana, C. H. T. 

 Townsend 460 



Some Reasons for Spra\ing 

 CitnisTreesin Florida, W.W. 

 Yothers 460 



Typha latifolia as a Summer 

 Host of Injurious In.sects, 

 W. M. Davidson 461 



Field Notes on Virginia Or- 

 thoptera, H. Fox..'. 461 



Doscnptions of Various Chal- 

 cidoid Hymenoptera, with 

 Observations, A. A. Girault . 467 



Notes on ( halcid Flies, Chiefly 

 from California, A. A. 

 Girault 467 



The Proteins of the Peanut, 

 Arachis hypogxa, C. O. Johns 

 and D. 1^. Jones 468 



Action of Xanthin and Methyl 

 Xanthins on Isolated Intes- 

 tine, W. Sulant and E. W. 

 Schwartze 471 



Action of Succinate, Malate, 

 Tartrate, and Citrate on 

 Intestine, W. Salant et al . . . 471 



Irrigation of Rice in California, 

 R. D. Robertson 483 



