CONTENTS. 



PAGE 



Organization of the Station ii 



Announcements vii 



Spraying Experiments and Apple Diseases in 1913 (Bulletin 223) i 



Top Dressing Experiment on Grass (Bulletin 224) 25 



High Ridge, Medium Ridge and Level Culture for Potatoes 



(Bulletin 224) 28 



Sojr Beans for Fodder, Silage and Seed (Bulletin 24) 32 



Spraying with Iron Sulphate for Control of Wild Mustard 



(Bulletin 224) 40 



Effect of Iron Sulphate upon Potato Vines (Bulletin 224) 43 



Analysis for Poison of Summer Sprayed Apples (Bulletin 224) 46 



Currant and Gooseberry Aphids in Maine (Bulletin 225) 49 



The Accuracy oi Bushel Weight Determinations (Bulletin 226) 69 

 Influence of Shape and Size of Plots in Grain Tests (Bulletin 



226) j6 



Table for Estimating Probable Significance of Statistical Con- 

 stants (Bulletin 226) 85 



Powdery Scab of Potatoes (Bulletin 227) 89 



Factors Influencing Size, Shape and Physical Constitution of 



the Egg ( Bulletin 228) 105 



Studies on Oat Breeding, Variety Tests 1910-13 (Bulletin 229) 139 



The Rhizoctonia Disease of Potatoes (Bulletin 230) 194 



Improving Egg Production by Breeding (Bulletin 231) 218 



Histological Basis of Shank Colors in Domestic Fowl (Bulletin 



232) 238 



Maine Aphids of the Rose Family (Bulletin 22s) 



Abstracts of Station publications in 1915 not included in Bulletins 



of Official Inspections (Bulletin 234) 281 



^ileteorology (Bulletin 234) 295 



Report fo the Treasurer (Bulletin 234) 297 



Index for 1914 (Bulletin 234) 300 



