14 DEPARTMENT OF AGRICULTURE BULS. '701-'725. 



Oregon — Continued. Bulletin 



Willamette Valley — No. rage. 



agricultural history and soil types 705 2-3, 19 



profitable farm management, bulletin by Byron Hunter and 



S. O. Jayne 705 1-24 



workmen's compensation act, practical working 711 16-17 



Pacific Northwest, arid regions, apple powdery mildew, control, 



bulletin by D. F. Fisher \ 712 1-28 



Packing, cranberries, temperature and containers 714 10-12 



Paper, making from corn shucks, possibilities 70S 14-15 



Paradichlorobenzeue, effects on household insects, tests 707 13, 23 



Parks, public, attraction of birds, suggestions 715 5-8 



Parkways, attraction for birds 715 9 



Partridge, food plants, list 715 4 



PastTires, Ohio hill farms, practices 716 18-19 



Peanut — 



flour and bread, analj^ses and charactieristics 701 4-9 



flours — 



digestibility experiments 717 19-24 



preparation and digestibiity with sov bean flour, bulletin by 



Arthur D. Holmes .' 717 1-28 



Peanuts — 



press-cake flour, protein digestibility, experiments 717 19-22 



supply for press-cake 717 3-4 



Peas, flour, analyses and characteristics 701 4-9 



Peciino'phora gossypiella. See Bollworm, pink. 



P ediculoides ventricosus, insect enemy of piak bollworm, description, 



and injury to human beings 723 14-15 



Peirce, Vernon M., E. W. James, and Charles H. Moorefield, 



bulletin on '' Drainage methods and foundations for country roads" 724 1-86 

 Pennington, M. E., M. K. Jenkins, and C. A. Bengtson, bulletin 



on " Efficiency of commercial egg candling" 702 1-22 



Phosphoric acid, requirements, various crops 721 2.5-26 



Phosphorous pastes, effects on bedbugs and roaches 707 6, 14, 16 



Pine, western yellow, grading rules 718 53 



Pink bollworm and steps taken by Agriculture Department to pre- 

 vent its establishment in United States, bulletin by W. D. Hunter. 723 1- 27 

 See also Bollworm, pink. 



Planers, lumber capacity and prices 718 15 



Plant bug, injury to artichoke by banded leaf -footed bug 703 4 



Plants — 



growth elements, requirements of various crops 721 25-26 



poisonous to live stock, publications, list 710 15 



protection from cutworms, by barriers around stems 703 12-1 3 



Plaster of Paris, effect on roaches, tests 707 11-12 



Plows, use in sugar-beet growing 721 36 



Podosphacra — 



leucotricha, cause of apple powdery mildew 712 4 



spp., damage to apples 712 2-4 



Poison , use against cutworms 703 13-14 



Poisonous plant, stagger grass (f'hrosperma rnuscaeioxicum), bulletin 



by C. Dwight Marsh, A" B. Clawson, and Hadleigh Marsh 710 1-15 



Pondweeds, food of mallard ducks 720 5, 12, 17 



Poplar, weight per cord, and equivalent in coal 718 59 



f 2'S ''6—27 



Pork, cold-storage holdings, 1916-1917, by sections and by months. . 709-^ ' ' "o|_r,o 



Potash, requirements, various crops 721 25-26 



Potato, flour and bread, analyses and characteristics 701 4-9 



Potatoes, growing in rotation with sugar beets 721 33 



Poultry- 

 raising on Ohio hill farms, importance of industry, comparison 



with crop sales 716 29-31, 33 



sales from Ohio hill farms, comparison with farm crops 7J6 33 



f 4-5 9-1 ] 



Powders, insecticide, tests on various insects 707< ^ o '90 00 



President, address to farmers, extracts 722 28-29 



Press-cake, soy-l)ean and peanut, digestibility of flours from, bulle- 

 tin by Arthur D. Holmes 717 1-28 



