244 Maine Agricultural Experiment Station. 1918. 



Prociphilus alnif oliae 46 



approximates 45 



corrugatans 46 



eastern species 45 



erigeronensis 46 



fitchii 46 



fraxinifolii 45 



pyri 46 



tessellata 45 



venafuscus 45 



xylostei 45 



Publications x 



Rose fleabeetle 174 



Sex ratio in twin birth of calves 223 



Sheep, account for one year 5 



are they profitable in Maine 3 



Sheep experiments, expenditures 6 



receipts 7 



three years results 



history of flock 6 



Sod vs. cultivation for apple orchards 13 



Soil and fertilizer, relation to potato crop 35 



tests at Aroostook Farm 17 



clover plots 26 



fertilizers used 12 



oat plots 25 



potato plots -....- 25 



results 29 



Spraying experiments with the apple 101 



Staff notes xi 



Strawberries in Aroostook County 43 



Swine, are they profitable in winter ; . 1 



Timothy improvement . . 42 



Trama erigeronensis 46 



Treasurer's report 



Twinning, inheritance 



Weather report 



Wheat breeding experiments 



