964 



EXPERIMENT STATION RECORD. 



[Vol. 36 



Peacli— Cont inued . Page. 



buds, winterkilling, Ohio 341 



disease, little, studies, N.J 849 



diseases, notes 111. 750 



leaf and twig curl, notes 647 



leaf cuil, notes 347 



leaf weevil, notes, N. Y.State 549 



mildew, notes 541 



orchards, winter heating, Ohio 795 



powdery mildew, treatment 350 



scat) in Netherlands 649 



scab, studies, U.S.D. A 545 



scale. West Indian, remedies 355 



tree bark beetle, notes, U.S.D.A 258 



tree trunks, introduction of solutions into. 740 



yellows, studies, N.J 849 



Peaclies— 



abnormalities, N.J 837 



breeding e.xperiments, N.J 837 



cost of growing, Del 42 



crossbreeding experiments 742 



crown gall resistance in 352 



culture experiments, N.J 837 



culture in Ontario 140 



Elberta, bud sport, N.J 837 



insects affecting 141 



localization of acids and sugars in 110 



new insect enemy of, U .S.D.A 358 



plant food removed by. Ark 39 



pruning at time of planting, N.J 41 



sulphur paste as a spray for 351 



varieties, N.J 837 



Peanut — 



cake, analyses 572 



cake, effect on composition of butter 875 



leaf curl, notes 847 



meal, analyses. Can 65 



meal, analyses. Mass 667 



meal, analyses, N.J 167 



meal, analyses, Tex 765 



mosaic disease, transmission 544 



oil, detection 414 



oil, digestibility, U.S.D.A 860 



Peanuts- 

 culture experiments 830 



culture in Philippines 231 



distribution of nitrogen in, Ky 269 



varieties 231 



Pear- 

 aphis, false, remedies, N.J 855 



blight beetle, notes, U.S.D.A 258 



blight, notes 849 



blight, studies 351 



brown blotch, studies 149 



leafworm, studies, U.S.D.A 260 



Phytophtliora rot 649 



psylla, notes 856 



psylla, notes, N.J 854 



psylla, relation to fire blight 351 



psylla, remedies, N.J 855 



scab, notes 541 



scab, treatment, Cal 545 



thrips, notes 856 



tree borer sinuate, notes 856 



tree trunks, introduction of solutions into. 740 



Pearline as an insecticide, Ind 753 



Pears— Page. 



Bartlett, ripening 536 



blight-resisting stocks 51 , 641 



breeding 444 



breeding, Md 444 



butter, parthenocarpy in 331 



crossbreeding experiments 742 



identification and classification 641 



internal structure, Orog 41 



of North America 742 



ripening in relation to humidity 741 



Peas- 

 culture experiments. Can 32 



culture in Antigua 735 



culture under dry farming 529 



culture under dry farming, Utah 528 



description and agricultural value 635 



device for sorting 035 



field, utilization of sugar by 125 



field, varieties, Nev 30 



germination as affected by depth of plant- 

 ing 437 



inheritance from different parts 27 



liming experiments. Can 27 



limitation studies, N.J 839 



root growth at various temperatures 28 



selection experiments, Mich 735 



varieties 735 



varieties. Can 32 



Peat- 

 analyses, Can 27 



bacterized and heated, comparison 219 



bacterized, fertilizing value 219, 517, 726 



industry in Canada 322 



industry in United States 624 



lands or soils. (See Soils, peat.) 



Pecans- 

 budding and grafting 743 



culture, Cal 139 



culture in Texas 743 



distribution of nitrogen in, Ky 269 



self-sterility in, Ga 344 



Pecos River, profile survey 583 



Pectin, determination in sugar residues 415 



Pegomya — 



brassicx. (See Cabbage maggot.) , 

 cepctorum. (See Onion maggot.) 



hyoscyami, notes ^ 57 



spp. , breeding experiments 658 



Pellagra- 

 colloidal silica theory 763 



experimental, in dogs 764 



relation to diet 763 



review of investigations 161, 363 



studies 464, 466 



transmissibility 363 



transmission experiments 764 



treatise 763 



Pemphigus betx— 



notes 55 



remedies, U.S.D.A 154 



Penicillium — 



camembertii, secretion of diastase by 328 



ezpansum, temperature relations, U.S. 



D.A 649 



glaucum, fixation of nitrogen by 632 



sp., ammonia production by 221 





