1920] CONTENTS. XXI 



Page. 



Le Fevre, E., Sauerkraut Production Controlled by Heat, with the Report 



of an Experiment : 61G 



Leopold, A., The Forestry of the Prophets 148 



Link, G. K. K., and M. W. Gardner, Market Pathology and Market Dis- 

 eases of Vegetables 751 



Livingston, G., The Banker's Part in Marketing 294 



Livingston, G., Some Fundamental Problems in Marketing Farm Prod- 

 ucts 489 



Lloyd, W. A., A History of the Agriculture of Ohio 486 



Luginbill, P. On the Biology of Aphis avence Fab. in the Southeast with 

 Causes Conducive to the Unusual Abundance of this Species as well as 



Toxoptera graminum Rond. during Certain Seasons 556 



Lyman, G. R., The Advisory Board of American Plant Pathologists 443 



Lynde, H. M., Studies of Maintenance Work on Drainage Ditches 280 



McDowell, J. C, Dairying Turned the Trick 291 



McKay, A. W., The Refrigeration of Fruit and Vegetable Shipments 339 



MacMillan. H. G., Wind and the Distribution of Pathogenic Soil Organ- 

 isms 842 



McMurran, S. M., Pecan Rosette in Relation to Soil Deficiencies 48 



McMurran, S. M., Preventing Wood Rot in Pecan Trees 48 



Marlatt, C. L., Corn Borer from the Standpoint of Quarantine and Gen- 

 eral Control 661 



Marsh, C. W., Poisonous Plants and the Department of Agriculture 470 



Mathewson, W. E., The Combination of Fractionation with Spectropho- 

 tometry in Proximate Organic Analysis 503 



Meier, F. C, Concerning Spoilage of Vegetables in Transit and Storage— 656 



Meredith, E. T., The Farmer and the Farm Market 91 



Meredith, E. T., Forests as a Farm Crop 543 



Merrill, E. C, Preliminary Study of Some of the Physical and Chemical 



Constants of Balsam Peru 116 



Middleton, H. E., The Moisture Equivalent in Relation to the Mechanical 



Analysis of Soils 210 



Moznette, G. F., The Red Spider Mite and Leaf Thrips on the Avocado and 



How They May be Controlled 53 



Moznette, G. F., Control of Spot Insects of the Mango 54 



Moznette, G. F., Dusting v. Spraying for the Control of Avocado Insect 



Pests 255 



Moznette, G. F., Banana Root-borer 560 



Moznette, G. F., Annotated List of the Injurious and Beneficial Insects of 



the Avocado in Florida 851 



Munger, T. T., Forestry in the Douglas Fir Region 343 



Nelson, E. K., Oil of RuMeva muUifida 502 



Nelson, E. K., The Composition of Oil of Chenopodium from Various 



Sources 502 



Niles, W. B., and J. H. Rietz, Duration of Immunity against Hog Cholera 



Following Simultaneous Inoculation of Young Pigs 184 



Oberholser, H. C, Fifth Annual List of Proposed Changes in the A. O. U. 



Check-list of North American Birds 50 



Oberholser, H. C, Description of a New Clapper Rail from Florida 659 



Olson, G. A., E. G. Schafer. M. A. McCall, and C. E. Hill [Report of Work 



with Field Crops in Washington] 736 



Palmer, A. H., California Precipitation 618 



Passonneau, J, [Report of the Office of Farm Markets] 794 



