XXII EXPERIMENT STATION RECORD. [Vol.43 



Page. 

 Fatten, H. E., and T. O. Kellenis, Acidity of Ash-free and of Commercial 



Gelatin Solutions 801 



Pearce, W. J., The Relation of Insect Losses to Su.stained Forest Yield__ 148 

 Peltier, G. L., and W. J. Frederich, Relative Susceptibility to Citrus 

 Canker of Different Species and Hybrids of the Genus Citrus, Including 



the Wild Relatives 848 



Pennington, M. E., The Development of a Standard Refrigerator Car 90 



Peters, J. G., Cooperation between the Federal Government and the States- 441 

 Peyton, J. S., Forestry Movement of the Seventies in the Interior Depart- 

 ment under Schurz 148 



Pope, W. R., and W. H. Ross, Qualitative Method for the Detection of 



Borax in Mixed Fertilizers 312 



Popenoe, W., Avocados, Particularly Guatemalans 342 



Popenoe, W., Atlixco 835 



Power, F. B., and V. K. Chesnut, The Odorous Constituents of Apples — 



Emanation of Acetaldehyde from the Ripe Fruit 711 



Pritchard, F. J., and W. B. Clark, Effect of Spraying on Early Ripening 



of Tomato Fruit 656 



Pritchard, F. J., and W. B. Clark, Effect of Copper Soap and of Bordeaux 



Soap Spray Mixtures on Control of Tomato Leaf Spot 846 



Ramsey, G. B., Studies on the Viability of the Potato Blackleg Organism- 654 

 Rand, F. V., and W. D. Pierce, A Coordination of Our Knowledge of In- 

 sect Transmission in Plant and Animal Diseases 450 



Ransom, B. H., A Newly-recognized Cause of Pulmonary Disease, Ascaris 



lumbricoides 80 



Ransom, B. H., Intestinal Worms in Hogs and Stomach Worms in Sheep- 384 



Reed. C. A., Pecan Grades and Standai'ds 41 



Reed, C. A., Pecan Varieties 41 



Reed, C. A., The American Nut Industry as a Whole 240 



Reed, C. A., Pecan Varieties, Grades, Standards, and Packages 441 



Reed, G. M., and G. H. Dungan, Flag Smut and Take-all 844 



Ridgway C. S., Further Study of Tobacco Burning Quality. — The Grain 



of the Tobacco Leaf 534 



Rixford, G. P., A Non-splitting Smyrna Fig and its History 239 



Rixford, G. P., Some Results of Fig Breeding by the U. S. Department of 



Agriculture 439 



Rogers, L. A., A. O. Dahlberg, and A. C. Evans, The Cause and Control of 



" Buttons " in Sweetened Conden.sed Milk 779 



Rohwer, S. A., Descriptions of Twenty-five New Species of North Amer- 

 ican Hymenoptera 857 



Rohwer, S. A., The North American Ichneumon Flies of the Tribes 



Labenini, Rhyssini, Xoridini, Odontomerini, and Phytodietini 857 



Rohwer, S. A., Three New Species of Indian Drynnid Parasites of Rice 



Leaf Hoppers 857 



Rommel, G. M., The Horse Situation as I Saw It in Europe 674 



Rosen H. R., and R. S. Kirby, A Comparative Morphological Study of 

 yEcia of Four Different Rusts Found upon Barberries in North 



America 844 



Ross, W. H., and R. B. Deemer, Methods for the Determination of Borax 



in Fertilizers and Fertilizer Materials 312 



Sando, C. E., and H. H. Bartlett, Rutin, the Flavone Pigment of Escli- 

 schoUzia culifomica 632 



