INDEX OF SUBJECTS. 



977 



Pohjporus— Page. 



adustus, notes 653 



dryadeiLS, studies, U.S.D.A 354 



n.spp., descriptions, U.S.D.A 52 



Polyrrhaphis grandini, notes 657 



Polysaccharids, crystallized, from starch 803 



Polystidus versicolor, description 151 



Polytrias prsemorsa, notes 229 



Pomelos, analyses and use 3()3 



Pomological Experiment Station in south 



Russia 200 



Pomology, review of literature 40 



Ponies, Shetland, treatise 270 



(Sec aZso Horses.) 

 Poplar— 



sawfly, notes, Conn.State 655 



yellow, in Tennessee 535 



Poppy-seed cake and meal, analyses 268 



Population, relation to agricultural produc- 

 tion 895 



Pork- 

 production contest in North Dakota 899 



production in Pacific Northwest, 



U.S.D.A 771 



products, market classifications 373 



Porthetria dispar. {See Gipsy moth.) 

 Porto Rico — 



College, notes 96 



Federal Station, notes 900 



Sugar Producers' Station, report 395 



University, notes 798 



Potash— 



as a fertilizer for hops 37 



asawinterspray for fruits, U.S.D.A 641 



effect on cranberries. Mass 143 



fertilizers, comparison 221,527, 724 



fertilizing value 232, 428 



fertilizing value, Conn.State 836 



industry in Germany 428 



industry in Upper Alsace 724 



replacement in feldspar 126 



salts, fertilizing value 221 



sources of 27 



Potassium— 



bromid, effect on composition of milk 178 



chlorid, fertilizing value 427, 437, 636 



chlorid, fertilizing value, Ohio 25 



chlorid, secondary and subsidiary effects . 26 

 chlorid waste liquors, effect on water sup- 

 plies 714 



determination in potassium silicate 412 



distribution in renal cells 277 



mmetaholism. of Aspergillus niger 727 



nitrate, effect on baking quality of flour, 



Kans 555 



nitrate, effect on toxic salts 31 



permanganate, reduction in plants 31 



salt, fertilizing value 527 



silicate, fertilizing value 527 



toxicity toward plants, N.Y.Cornell 128 



Potato- 

 bacterial rot, studies 48 



beet le, remedies, Can 852 



black heart, studies 149 



black scab, international control 537 



blackleg, notes, Wash 197 



Potato — c:ontinued. Page. 



blight, prevalence in Ireland 539 



blight, treatment 539 



club champions in 1913 399 



diseases, dilTerentiation, U.S.D.A 049 



diseases, notes 47,240,448,539,047 



diseases of .\ustralia, treatise 48 



di-seases, relation to temperature 649 



diseases, studies 148 



drying industry in (lermany 071 



foliage for sheep 613 



late blight fungus, persistence in the soil, 



N.Y. State 49 



late blight, notes 747 



late blight, secondary infection 847 



leaf roll, bibliography 243 



leaf roll, notes 049 



leaf roll, studies 48, 2-13, 539 



Rhizoctonia diseases, notes 845 



rot, notes 243 



scab, notes 5.39,748 



scab, treatment 139 



scab, treatment, Mass 150 



scab, treatment, N.Y. State 539,540 



tuber diseases, notes 847 



tuber worm, parthenogenesis and ovlj.o- 



sition of 55 



tuber worm, studies, U.S.D.A 550 



wart disease, notes 845 



weevils from Andean South America, 



U.S.D.A 459 



Potatoes— 



after-ripening studies 825 



applying fertilizing solutions to aerial por- 

 tions 129 



as a basal feed for pigs 209 



breeding experiments 233, 338 



changes in during sprouting 825 



culture 39, 832 



culture experiments 133, 032 



culture experiments, Uawaii 828 



culture in Florida, Fla 528 



culture in Germany, U.S.D.A 139 



culture in Isle of Pines 528 



culture in Kansas, Kans 735 



culture in Scotland 735 



culture under dry farming 435 



damaged, drying 613 



electroculture experiments 828 



factors affecting culinary quality G3 



ferrous sulphate as a top-dressing for 735 



fertilizer experiments 124, 



134,220,229,528,026,832 



fertilizer experiments, Mass 327 



fertilizer experiments, Tenn 820,821 



fertilizer experiments, W . Va 38 



for farm stock, Mass 175 



formaldehyde treatment, Wyo 007 



germination studies 30 



growth asalTectcd by electricity 827 



growth as affected by manganese, U.S. 



D. A 823 



harvesting and storing. Wash 197 



insects affecting 240,753 



lady beetles alTcoting 255 



osmotic pressure in 228 



