INDEX OF SUBJECTS. 



989 



Roads — Continued. Page. 



administration In Kansas 695 



administration in Maine 889 



administration in Michigan 48G 



administration in Minnesota 588 



administration in Nebraslia 888 



administration in New Yorl{_ 393 

 administration in Nortti Car- 

 olina 780 



adniiuistratiou in North Dakota- G83 



administration in Ontario 289 



bituminous, surface treatments- 782 

 briclc-surfaced, in King County, 



Washington 781 



concrete, construction 781, 782, 890 



concrete, in Ontario 289 



concrete pavements for, U.S.D.A- 685 



concrete v. macadam 588 



construction and maintenance- 889 

 construction and maintenance, 



U.S.D.A 889 



construction, economics of 688 



construction, financing 782 



construction in New Jersey 686 



construction in swamps 189 



drainage 688, 782 



gravel and sand clay 782 



heavy traffic, pavements for 290 



in relation to tire width and 



weight of load 782 



macadam, traffic values 290 



macadam, transmission of pres- 

 sure through 486 



maintenance cost data 890 



maintenance, relation to traffic- 290 



masonry and foundations for__ 782 



mountain, construction 782 



preservation experiments, U.S. 



D.A 686 



sand clay and topsoil, for North 



Carolina 688 



state management of, U.S.D.A 290 



survey and plans for 782 



surveying and mapping 688 



traffic factors 280 



treatise 393 



vitrified brick pavements for, 



U.S.D.A 686 



Rock phosphate. (See Phosphate.) 

 Rockefeller Institute for Medical Re- 

 search, studies from 279 



Rodent disease, new, transmissible 



to man 450 



Rodents — 



injurious in Canada 552 



parasitic acari on 159 



Roemeria hijhrida, analyses 4G6 



Roentgent rays, effect on vegetation- 31 

 Roofing, metallic, as affected by 



smoke 428 



Root — 



cellar, description, Can 783 



crops, culture experiments 227 



crops, culture for fall and win- 

 ter use, Wash 34 



crops for work horses 471 



Root — Continued. Page, 

 development as affected by phos- 

 phates 526 



maggot, remedies. Wash 62 



systems of agricultural plants- 526 



Roots — 



contractile, structure and func- 

 tion 724 



toxic excretions from 31 



Rope fastenings, tests 190 



Rose — 



beetle in Samoan Islands 158 



black spot, investigations, N.Y. 



Cornell 347 



chafer, western, notes 746 



diseases, notes 854 



leaves, authocyauin in 52-3 



mildew, Inoculation experi- 

 ments : 647 



mildew, investigations, N.Y. 



Cornell 347 



mildew, studies 447 



scale, life history and habits 557 



Rosellinia iothrina attacking cam- 

 phor 545 



Rosellinia disease of cacao 448 



Roses — 



culture, treatise 644 



inoculation experiments with 



brown rot fungus 247 



new, description 644 



new, description, S.Dak 337 



Rosolic acid test for milk 115 



Rotation — 



experiments 527, 728 



experiments. Can 830 



experiments. Mo 33, 



212, 213, 214, 226 



experiments, Ohio 828 



experiments, U.S.D.A— 429, 829, 830 



experiments in Madras 131 



experiments on peaty soils 227 



of crops for dry farming, Mont- 632 



of crops in New Hampshire 791 



of crops, text-book 429 



Roundworms, protection against di- 

 gestive enzyms 478 



Rubber — 



borer pests of 657 



culture in Brazil 50 



culture in Middle Kongo 646 



culture in Singapore 646 



diseases in Ceylon 545 



diseases in Malaya 150, 151 



fertilizer experiments 50, 738 



handbook 50 



Ilevea. (See Rubber, Para.) 



industry of the East 543 



insects affecting 153 



Para, fungus diseases of 449 



root disease, new, notes 741 



tapping and storage of plant 



food in 543 



tapping experiments 542, 543, 646 



tapping experiments, P.R 536 



treatise 343 



