892 



EXPERIMENT STATION RECORD. 



Hoot crops— Continued. Page. 



varieties 230 



N.Dak 53.5 



excretions, chemical nature 32 



toxic properties 320 



maggot, notes, U.S.D.A 559 



Roots as afiected by pressure 728 



enzymic action of 120 



mineral constituents 312 



mutual interactions of 319 



oxidizing power 422 



toxic properties 120 



wheat, as afle«ted by fertilizers ; . 533 



Roq aette, notes, Can 331 



Rosa canina, development of anthocyanin in. 22S 



Rose chafer, notes 249, 647 



Can 360 



galls, descriptions 53 



green-fly, anatomy and bibliography. . . 757 



mildew, notes, Fla 342 



relation to oak mildew 246 



sawfly, notes, U.S.D.A 57 



scale, notes. Mo. Fruit 00 



seed chalcis, life history, N.Y.Cornell . . 351 



slugs, notes, U.S.D.A 57 



twig disease, notes 645 



Roselle disease, notes, Fla 343 



Rosellinia bothrina, notes 343 



Hoses as aflected by magnesia : 422 



culture, treatise 335 



modification of color in 627 



varieties for Ontario, Can 335 



Rotation experiments 220, 730 



Can 325 



Kans 733 



Ohio 216,222 



Pa 217 



R.I 730 



S.C 428 



U.S.D.A 632 



Va 433 



Roundworms, notes 184 



Roup in fowls, paper on 387 



Royal Institute for Instruction in Viticulture, 



Pomology, and Horticulture '. 690 



Rubber- 

 analyses 340, 444 



canker, notes 245 



Ceara, culture experiments 639 



culture 536 



in India - 240 



the Sudan 49 



disease, notes 150 



Hevea, animals affecting 561 



industry in the Kongo, manual 741 



insects affecting 648 



latex, coagulating experiments 547 



notes 741 



notes 496 



palo amarillo, economic irhportance 340 



Para, disease, notes l.W, 749 



nuts, analyses , . . 608 



root diseases, studies 749 



seed, mites affecting 450 



tapping experiments 144 



tree, new species, notes 444 



Rubbing i)ost for live stock 287 



PHge. 



Rubus leaves, ehlorin content 30 



Eubus occidentalis as aflected by ten.sion 31S 



Rum, distillation 519 



Rumex crispus as aflected by Iron sulphate, 



S. Dak 430 



Rural amusements, relation to farm laljor 



problem 088 



Ijuildings, treatise 395 



communities, paper on 197 



conditions in the South, U.S.D.A. . . . 795 



depopulation in France 491,700 



Germany, remedies. . 395 



ex;onomics, papers on 395 



research in 514 



yearbook 90 



homes, modern appliances in 188 



typical, paper on 507 



life, rehabilitation 590 



relation to science 395 



population in Germany, diet 60 



problems, relation to agricultural col- 

 leges 514 



sanitation in the South 590 



school problem in Germany 088 



schools. (See Schools, rural.) 



welfare, promotion 688 



Russian thistle as affected by iron sulphate, 



S.Dak 430 



effect on wheat gorminalion. 



Wash 130 



notes. Can 331 



Rusfula emetica as a cause of mycorrhizse 345 



Rust formation, theory, U.S.D.A 207 



fungi, culture experiments 321 



Rusts of Fmland, bibliography 321 



(See also Com, Wheat, etc.) 

 Ruta-bagas. (See Swedes.) 



Rye, analyses 72 



N.J 471 



bran, analy.ses 72 



feeding value .-. 174 



breeding experiments 736 



composition as affected by storage 202 



culture experiments, Alaska 729 



Can 325 



feed, analyses. Wis 274 



feeding value 174 



fertilizer experiments 122, 221, 425, 720, 722 



R.I 730 



flour, misbranding, U.S.D.A 566 



for pigs 570 



germination as aflected by fertilizers. . . 221 



grass seed, tests 731 



growth as aflected by fertilizers, R.I. . . 224 



hay, yield under dry farming, Wyo 131 



industry in Austria 035 



lime and magnesia for 30 



middlings, analyses 72 



mildew , investigations 041 



root excretions, chemical nature 33 



seedlings as affected by fertilizers, R.I . 228 



starch, identification 411 



varieties 235, 031 



Can 322, 327 



yield imder dry farming, Wyo 131 



Sabak, analyses 225 



