INDEX OF SUBJECTS. 



989 



Roads — Continued. Page. 



concrete, resistance to wear 484 



concrete, specifications 685 



construction 890 



construction and maintenance — 287 

 earth and sand-clay, construc- 

 tion 684 



economy of various types 484 



grading and improvement, in- 

 formation for bidders 685 



Improvement, economic factors 



in 788 



mileage and expenditures, U.S. 



D.A 190 



prison labor for 684 



reconstructing in Southern 



States 484 



refined tars for 684 



state management 788 



superelevation of curves 86 



Roaring in horses, treatment 576 



Rock, road-building, tests, U.S. 



DJl 684, 890 



Rockfoils, treatise 45 



Rocks of United States, analyses 222 



Rodent — 



disease, transmissible to man__ 355 

 plague, relation to human infec- 

 tion 355 



Rodents- 

 control in Colorado 651 



notes, Colo 528 



Roentgen rays, effect on seeds of 



Vicia faba 334 



Root- 

 crops, culture, Wyo 630 



crops, culture in Philippines 635 



crops, culture in South Aus- 

 tralia 341 



crops, culture in Sweden 431 



crops, dry matter content 865 



crops, insects affecting 651 



growth, periodicity in 29 



knot, treatment, Mich 245 



maggots, notes. Wash 753 



systems of plants, development- 727 



tubercles, formation, Mich 727 



Roots — 



absorption of ions by 334 



aeration experiments 334 



as affected by illuminating gas- 243 



hydrotropism in 223 



Rosa hugonis, description 45 



Rose — 



beetle, Japanese, in Hawaii 59 



black spot, treatment, N.J 157 



buds, malformation, N.J 143 



chafer, notes, N.J 158 



chafer, poisonous effect on 



chickens 655 



leaf diseases, treatment, N.Y. 



Cornell 747 



leaf mildew, treatment 442 



mildew, treatment 750 



mildew, treatment, N.J 157 



Rose — Continued. Page, 



mildew, treatment with hot 



water 50 



thrips, remedies, N.J 161 



tree crown gall, notes 442 



RoselUnia — 



bunodes on hibiscus 841 



necatrlx on apple and goose- 

 berry 49 



pepo or R. bunodes on limes 545 



spp. on cacao 841 



Roses- 

 coloring matter of 709 



culture. Can 439 



culture experiments, N.J 44 



fertilizer experiments, N.J 45, 143 



hardy yellow, from China 45 



petalody of sepal in, N.J 143 



rate of growth, N.J 143 



soils for, N.J 144 



testing garden at Arlington Ex- 

 perimental Farm 345 



testing garden at Cornell Uni- 

 versity 345 



treatise 45 



Rosewood of southern India, notes- 240 



Rosin, extraction from wood 412 



Rotation — ■ 



experiments, Mich 723 



of crops, Vt 337 



Rotifers, sex control In 766 



Roup, secondary invader 481 



Royal — 



Agricultural, Horticultural, and 

 Forestry High School at Wag- 



eningen, Netherlands 898 



Botanic Gardens In Perade- 



niya, history 741 



Rubber — 



Castilla, tapping experiments 438 



Ceara, culture experiments 152 



culture and industry, papers on_ 838 



culture in Dominica 438 



culture, use of dynamite in 47 



diseases, notes 57,442,540,849 



fertilizer experiments 48, 838 



green manure crops for 344 



Hevea. (See Rubber, Para.) 



Insects affecting 652, 851 



Para, culture in Trinidad 47 



Para, food storage and rest pe- 

 riod In 240 



Para, reproduction in 639 



Para, tapping experiments- 47, 346, 537 



pink disease, studies 448 



plants of Italian Somaliland 152 



tapping experiments 47 



yielding plants, treatise 838 



Ruminant, fossil, from Rock Creek, 



Texas 264 



Rural — 



communities, organization In 



Kansas 689 



credit. (See Agricultural 

 credit.) 



