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INDEX. 



29 



Bulletin 

 No. 



Pears — 



canned — 



effect of standing on -weiglit of solids and sirup . . . 

 in United States, 1899, 1904, 1909, quantity and 



value 



presence of microorganisms 



canning — 



effect of vai-jdng degrees of sirup 



selection, preparation, etc ._. 



commercially canned, weiglit and composition tests 



packing seasons at canneries, by States 



peeled," effect of standing before canning 



peeling for canning, method at canneries 



use of salt in holding for canning 



waste at canneries, percentage and use 



Peas- 

 canned in United States, 1899, 1904, 1909, quantity and 



value 



canning — 



industry, extent 



selection and preparation, commercial methods. . . 



grading for canning, commercial methods 



growing for canneries 



packing seasons at canneries, by States 



Piedmont — 



lands, eroded, occrn'rence in South, causes, etc. 



region — - 



loss of soil from erosion, annual and per acre 



soils, character, susceptibility to erosion, etc 



Pennsylvania — 



bird census, notes 



State traffic regulations, note 



Peppers, insect enemies in Porto Rico 



Peregrinus maidis, injury to corn, Porto Rico. 



Perfume, frangipanni, som'ce 



Perlach estate, Germany, location, management, etc 



Phaseolus — 



lunatus. See Lima beans. 

 mamus. See Beans, green. 

 Philadelphia, milk supply, 1890-1911, transportation lines, 



etc 



Phlegethontms convolvuli, occmxence in Porto Rico 



Phthia picta, occun-ence on vegetables in Porto Rico 



Pieris monuste, occurrence on vegetables in Porto Rico 



Pilocrocis tripunctata, description and occiu'rence on vegeta- 

 bles in Porto Rico 



Pin cherr>^, description, growth habits, distribution, etc.. 



Pine Island Bayou, Texas, cost of drainage 



Pineapples, packing seasons at canneries, by States 



Pistorius distilliiig apparatus, installation in Germany, ob- 

 jections, etc 



Pisurn saliva. See Peas. 



" Plants, " oyster, use of term 



Plover, golden- 

 distribution, migration routes, etc 



flight in migration 



Plowing, method for prevention of erosion 



Plumage, birds, change, relation to migration 



Plums — 



American — 



early history and botanical descriptions 



species — 



and hybrids, descriptions 



eynopsie and key 



196 



196 



177 

 192 

 192 

 192 



192 

 179 

 193 

 196 



182 



196 



185 

 185 

 180 

 185 



179 



179 

 179 



23,24 



196 



16 



196 



53 



196 



47-48 



196 



46-49 



196 



48 



196 



18 



196 



47 



196 



46 



196 



46 



196 



46 



16 



196 



60 



196 



60-62 



196 



60-61 



196 



60 



196 



" 18 



180 



17-18 



180 



22 



180 



18-20 



187 



2 



191 



26 



192 



3,4,7 



192 



2 



184 



1 



182 



32-35 



14 



7 

 4 



9 



60-61 

 22 

 18 



19 



72 



12-13, 16-18 

 12 

 13 

 31 



2-6 



21-60 



18-21 



