CONTENTS. 



PAGE 



Organization of the Station ii 



Announcements vii 



The Station and the war xiii 



Changes in Station Staff xv 



Neglected factors underlying stock breeding industry (Bulletin 



258) 1 



Pupae of some Maine species of Notodontoidea (Bulletin 259)... 29 



Are sheep profitable in Maine (Bulletin 260) 86 



Are swine profitable in winter in Maine (Bulletin 260) 92 



The winter handling of farm manure (Bulletin 260) 94 



Commercial varieties of oats at Aroostook Farm in 1916 (Bulletin 



260) 102 



Commercial varieties of oats at Highmoor Farm in 1917 (Bulletin 



260) 104 



Rate of seeding oats in Aroostook County (Bulletin 260) 106 



Effect of omitting potash upon the oat crop (Bulletin 260) 108 



Effect of omitting potash upon potatoes (Bulletin 260) 110 



Sulphate of ammonia compared with nitrate of soda as fertilizer 



for potatoes (Bulletin 260) 114 



Methods of application of fertilizer upon potatoes (Bulletin 260) 117 



Salt as fertilizer (Bulletin 260) 119 



Report of progress on Animal Husbandry Investigations (Bulletin 



261) 121 



Change of milk flow with age (Jersey cows) (Bulletin 262) .... 145 



Syrphidae of Maine, Second report (Bulletin 263) 153 



The current fruit fly (Bulletin 264) 177 



The alder flea beetle (Bulletin 265) 249 



Composition of sprouted oats (Bulletin 266) 286 



Fish wastes for feeding animals (Bulletin 266) 291 



The aphids of chokecherry (Bulletin 267) 293 



Abstracts of publications in 1917 not included in Bulletins or 



Official Inspections (Bulletin 268) 297 



Meteorology (Bulletin 268) 315 



Report of the Treasurer (Bulletin 268) 317 



Index for 1917 (Bulletin 268) 320 



