Vol. XX JANUARY 15, 1921 No. 8 



JOURNAL OP 



AGRICULTURAL 



RESEARCH 



CONTENTS 



Page 



Inheritance of Syndactylism, Black, and Dilution in 



Swine - - " - - -595 



J. A. DETLEFSEN and W. J. CARMICHAEL 



( Contribution from Illinois Agricultural Experiment Station ) 



Four Rhynchophora Attacking Corn in Storage - 605 



RICHARD T. COTTON 



( Contribution from Bureau ol Entomology) 



Concentration of Potassium in Orthoclase Solutions Not a 

 Measure of Its Availability to Wheat Seedlings - - 615 

 J. F. BREAZEALE and LYMAN J. BRIGGS 



(Contribution from Bureau of Plant Industry) 



Composition of Tubers, Skins, and Sprouts of Three Varie- 

 ties of Potatoes -------- 623 



F. C. COOK 



(Contribution from Bureau of Chemistry ) 



Further Studies in the Deterioration of Sugars in Storage 637 



NICHOLAS KOPELOFF, H. Z. E. PERKINS, 



and C. J. WELCOME 



( Contribution from Louisiana Agricultural Experiment Station ) 



Freezing of Fruit Buds ------- 655 



FRANK L. WEST and N. E. EDLEFSEN 



( Contribution from Utah Agricultural Experiment Station) 



Effect of Various Crops Upon the Water Extract of a Typi- 

 cal Silty Clay Loam Soil ------ 663 



G. R. STEWART and J. C. MARTIN 



( Contribution from California Agricultural Experiment Station ) 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE. 



WITH THE COOPERATION OF THE ASSOCIATION OF 



LAND-GRANT COLLEGES 



WASHINGTON, D. C. 



WASHINGTON : GOVERNMENT PRINTINO OFPIOE : 1821 



