833 



Page. 

 Potatoes — 



whole tubers vs. cuttings for seed — 



Utah Sla 6<'>5 



Vt. Sla 669 



yield and value of, U. S. D. A 608 



Pot us. plat experiments 209 



Poudrettc, analysis. Can. Sta 5 



Poultry department, Ala. College Sta 85 



exi)eriments, N.Y.Cornell Sta 505 



N.Y. State Sta 588 



bouse, description of, N. Y. State 



Sta 589 



manager, report of, Can. Sta 5 



nitrogenous vs. carbonaceous diet 



for, N. Y. Cornell Sta 506 



notes on breeds. La. Sta 147 



Powdery mildew of — 



apples, treatment of, U. S. D. A 33 



grapes, notes on, U. S. D. A 32,609 



Prairie-dog, notes on, U. S. D. A 258 



Precipitated phosphate, analyses. Conn. 



State Sta 101 



Preservatives for fruits, Cal. Sta 98 



milk, Iowa Sta 102,331 



Prickly comfrey — 



analyses, Iowa Sta 329 



Wis. Sta 435 



field experiments with, Vt. Sta 6G7 



In diet for pigs, N. Y. State Sta 284,735 



notes on, N.Y'. State Sta 594 



N. C, Sta 601 



vs. red clover for forage, Wis. Sta 435 



Prnconia undatn, notes on. Ark. Sta 318 



Procris americnn'i, notes on, Fla. Sta 101 



Prolific tree bean, analyses, Iowa .Sta 329 



Proteids of oat kernels, investigation of, 



Conn. State Sta 304 



Protein, co-efficients of digestibility for, 



Me. Sta 653 



in maintenance ration of full- 

 grown animals 462 



Prunes, stocks for, Iowa Sta 218 



Prunus americana, as stock for plums, 



lowaSta 218 



notes on, Mich. Sta 355 



domettica, notes on, Mich. Sta 355 



pennst/lvanica, as stock for cher- 

 ries, Iowa Sta 218 



pumila, as stock for cherries, Iowa 



Sta 218 



gerolina, notes on, S. Dak. Sta 663,741 



subcordata, notes on, X. C. .Sla 372 



Psenoceius sxipernotatus, note8on,Iowa.Sta.. 3.33 



Pseiirfo/i a!zae£rf(i)i(e)Hirt, notes on, Nebr.Sta. 116 



Pseudolsuga douglasii, notes on, Kan. .Sta... 143 

 Psoroptes communis, var.ovts, notes on, U. 



S. D. A 79 



Pleromalus puparum, notes on, Nebr. Sta... 116 



ranessx, noteson, Nebr.Sta 116 



Publications of — 



Office of E.xperiment Stations, edito- 

 rial notes on 1 



stations, editorial noteson 1, 310 



list of .38, 88, 137, 184, 26,3, 307, 



382, 468, .5.39, 623, 697, 770 



uumber issued during 1890.,, 309 



Page. 

 Publications of — 



stations, proposed index to 266 



U. b. D. A., abstracts of 32, 79, 179, 258, 303, 



455, 578, 608, 673, 746 



list of 37, 87, 137, 183, 263, 306, 3.^1, 



467, 538, 622, 696, 709 

 Puccinia — 



and Phragmidium, relation between, 



U. S. D. A 455 



coronala, notes on. Conn. State Sta... 482 



graminis, notes on, Conn. State Sta 482 



mulvaccartnn, notes on — 



N. Y. Cornell Sta 504 



N.Y.State Sta 599 



liruni-spinosie, no;c8 on, U. S. 1). A 32 



Pumpkins, cross-fertilization of, N.Y. Cor- 

 nell Sta 509 



varieties, Colo. Sta 392,396 



Md. Sta 349 



vines, herbaceous grafting of, 



N. Y. Cornell Sta 508 



Purslane, analyses, Fla. Sta 491 



Pyrethrum — 



as an insecticide, Iowa Sta 720 



Mich. Sta 63 



N.J. Sta 416 



cinerarifolhim, notes on, N. C. Sta 372 



for cabbage-worm, Del. Sta 323 



preparation and use of. Miss. Sta 6.59 



joseuni, notes on, Mass. State Sta 580 



N. C. Sta 372 



teaasaninsecticide, lowaSta 720 



with kerosene emulsion for cotton 



worm. Ark. Sta 318 



Pyrophih piiramidoides, notes on, Mass. 



Hatch Sta 654 



Pyrus americana as host of Gym7wsporan- 



gium,. Conn. State .Sta 712 



Quercus macrocatpa, notes on, S. Dak. Sta.. 741 



■nigra, notes on, S. Dak. Sta 741 



Quince as host of GyniiiosporaHyntm, Conn. 



StateSta 712 



leaf blight, investigation of, N. Y'^. 



Cornell Sta 502 



prevalence of, N. Y'. Cor- 

 nell Sta 246 



treatment of, U.S. D. A.. 32 

 brownness, trcatmentof, Tenn. 



Sta 173 



rust, treatment of, U. S. D. A 32 



Quinces, spot of, notes on. Conn. State Sta.. 482 



varieties, <j a. Sta 556 



La. Sta 642 



Mich. Sta 356 



N. Y. State Sta 599 



N. C. Sta 372 



R. I. Sta 295 



Vt. Sta 668 



Rabbits, noteson. Ore. Sta 71 



repression of. Ore. Sta 71 



Radiation, solar, observations of, Colo. Sta. 394 

 thermometers, observations 



with. Me. Sta 653 



Radish maggots, insecticides for, N. J. Sta.. 415 



Radishes, germination tests of. Ark. Sta 317 



varieties, Ark. Sta > 318 



