INDEX. 



11 



Bulletin 



Pacific States, roads, mileage and revenues (and Central and No. Page. 



Mountain States) ......._. 389 1-56, i-lxxv 



Palmetto, saw, tannin content, utilization in manufacture of 



orange oil 399 8 



Pasture, poor spots, improvement by feeding hay and fodder. . 397 5 



Pastures — 



bluegrass — 



grades 397 2-3 



grazing value, data 397 10-11 



fertility, maintenance, discussion, and suggestions 397 12-14 



and its control, bulletin by C. W. Keitt 395 1-66 



casual organism, studies and treatment 395 11-66 



evidences and natiu-e 395 6-8 



occurrence, nature, and economic importance 395 1-5 



pathological histology 395 8-9 



Peaches, scab — 



control, profits from spraying 395 58-59 



nature, and effect on development. 395 6 



Peeler, citrus-fruit, description and value in sweet-orange oil 



industry 399 13-19 



Pee;ina:, machine for citrus fruits and production of sweet 



orange oil. bulletin by S. C. Hood and G. A. Russell 399 1-19 



Pennsylvania — 



Berwyn, bird count, 1914 396 12-13 



roads — 



control under "Sproul Act" 386 21-23 



expenditiires and mileage, by counties 386 23-27 



mileage in 1909, 1914 ._ 386 4-5 



relation to area and population 386 21 



requirements and control 386 21-23 



revenue and expenditures, 1914 386 3-4 



Pennybacker, J. E., and M. O. Eldridge, bulletin on "Eco- 

 nomic survej's of county-highway improvement. " 393 1-86 



Pigs- 

 feeding with fish meal, extracts regarding experiments ... 378 5-7 

 See also Hogs. 

 Pipe, wood-stave — 



carrying capacity, effect of age 376 58 



flow of water in, bulletin by Fred C. Scobey 376 1-96 



friction losses in water flow, studies 376 26-39 



Pipes — 



irrigation, comparisons of wood-stave with cast-iron and 



steel-riveted 376 72-73 



wood-stave^ 



capacity _. ._ 376 58-66 



carrjdng capacity, studies and opinions 376 7-14 



use in water flow, studies, descriptions and equip- 

 ment 376 40-48,74-81 



water flow, solution of typical problems 376 66-71 



Poa pratensis. See Bluegrass. 



Poisons, Argentine ant, nature and use 377 11-22 



Potatoes, labor — 



requirements for acre, variations, etc 385 4-5 



requirements, items 385 24 



Poultry — 



feed, value of fish meal (and as stock feed) bulletin by F. C. 



Fisher. 378 1-23 



feeding with fish meal, extracts from experiments 378 8 



Pratt, Joseph Hyde, article on public roads of North Carolina. . 387 32-34 

 Price, David J., and E. B. McCormick, bulletin on "Dust 

 explosions and fires in grain separators in the Pacific North- 

 west" 379 1-22 



Prisoners. See Convicts. 



Quercus, injury by Endothia, spp., studies and inoculation ex- 

 periments. .'. 380 59-61 



Questionnaire, cooperative stores, business practices 394 3-6 



