INDEX. 9 



Bulletin 



Oxytropis— No - Pa § e - 



besseyi, loco species, description, distribution, and harmlessness. 575 5 

 lamberti. See Loco. 



Paddy machine, rice mills, description 570 3 



Parasite, chicken mite, life history and habits 573 1-15 



Parasites, pecan leaf case-bearer 571 15 



Parsnip, wild, poisonous to live stock 575 13 



Pasture, horse feeding, quantity and cost 560 5-6 



Pastures, sheep, Minidoka project, irrigated, size and grass 573 15-17 



Pearling cone, rice mill, description 570 3-4 



Pecan — 



bud-worm, same as pecan leaf case-bearer 571 2 



fumigation, for control Of leaf case-bearer 571 23-25, 26 



injury by leaf case-bearer, description 571 5-6 



leaf case-bearer, bulletin by John B. Gill 571 1-28 



f 1 5-23 



spraying for control of leaf case-bearer 571 < 25_26 



varieties resistant to case-bearer attack 571 5 



Pennington, M. E., M. K. Jenkins, and H. M. P. Betts, bulletin 



on, "How to candle eggs'[ 565 1-20 



Pennsylvania, cement factories, potash content of materials and loss 



in manufacture - # — - . 572 6 



Petrography, soils, examination of various types 551 8-9 



Pettigrew, K. L., and A. W. Schorger, bulletin on "Increased 



yield of turpentine and rosin from double chipping " 567 1-9 



Phycita nebulo. See Case-bearer, pecan leaf. 

 Pine — 



spp., tests for mechanical properties, results 556 < aoaa 



trees — 



chipping methods, comparison and costs 567 2-6, 8 



effect of double chipping 567 6-7 



Pines, chipping for increase of yield of turpentine and rosin, experi- 

 ments, bulletin by A. W. Schorger and R. L. Pettigrew 567 1-9 



Pingue. See Rubber plant. 

 Plants, poisonous — 



danger to live stock, and protection 575 21-24 



to stock on the range, bulletin by 0. D. Marsh 575 1-24 



Plymouth Rock hens, feeding for egg production, cost, comparison 



with other breeds 561 2-42 



Poison — 



bait, earwigs, directions, precautions, and results 566 8-9, 11, 12 



sego, danger to live stock, note 575 14 



Poisonous plants of the range, bulletin by C. D. Marsh 575 1-24 



Poles, seasoning in air 552 12-17 



Polish, rice, analyses and yields 570 \ ,i ? ', A \i 



Porches, protection from earwigs by sticky bands 566 11 



Potash — 



analyses, in cement samples and raw mix 572 14-15 



loss through volatilization in cement manufacture 572 3-11 



percentage in flue dust from different plants 572 15-17 



plants in United States and methods of production 572 18-22 



recovery as a by-product from cement industry, bulletin by 



William H. Ross, Albert R. Merz, and C. R. Wagner 572 1-23 



volatilization percentage in cement plants 572 11-13 



Potash-producing plants, location and methods 572 18-22 



Poultry — 



farm, Government, experiments in feed cost of egg production, 



bulletin by Henry M. Lamon and Harry R. Lee 561 1-42 



feeding for egg production, cost investigations at Government 



poultry farm, bulletin by Harry M. Lamon and Alfred R. Lee. 561 1-42 



Prunus nana, poisoning of sheep - 575 17-18 



Psoralea tenuifolia, poisonous, injury to animals 575 20 



Pteris aquilina, description, occurrence on range and danger to live 



stock 575 17 



