324 MAINE AGRICULTURAI, EXPERIMENT STATION. I913. 



PAGIi, 



K' ew mineral fertilizer I 



plot experiments 10 



Orchard spraying experiments 57 



Pedigree sj-'stem in breeding guinea pigs 306 



Pemphigus bursarius 78 



gravicornis 75 



populicaulis -j-j 



populiconduplifolius 76 



populimonilis 7j 



Phygadeuon plesius zy 



Pimpla conquisitor 27 



inquisitor 27 



Ontario 2^ 



Poplar, aphid pests 73 



Porizon sens lat 35 



Potato flea beetle 37 



bibliography 4S 



control A\ 



habits and description 40 



history and distribution 38 



host plants 43 



parasites 44 



remedies 47 



test of poisons 45 



list of insects occurring on 5i 



Poultry breeding, constitutional vigor 106 



recognition of individuality 104 



feeding 114 



feed trough i5t 



green food for T59 



housing iii 



inbreeding 108 



keeping, biology of l*^^ 



importance of good stock 103 



natural enemies ^53 



technical studies >• toi 



Recurvaria piceaella • -^-^ 



Rhogas Canadensis 3 ' 



Palicaceae, species affected by aphides 93 



Schizoneura americana -"^ 



lanigera ^73> ^04 



lanuginosa -^3 



rileyi -'•^ 



ulmi ^7' 



Southern elm leaf curl 207 



