974 



EXPERIMENT STATION RECORD. 



[Vol. 37 



Rice— Continued. Page. 



hulls for chicks, Guam 768 



insects affecting 847 



irrigation, Cal 483 



Irrigation experiments 883 



milling, Tex 363 



new varieties, descriptions 831 



polish, compasition and feeding value, 



Tex 363 



polish, digestibility, Ark 678 



red, eradication, Tex 532 



seed selection 538,539,824 



seeding experiments 824 



seeding experiments, Tex 632 



straw, digestibility, Tex 168 



transplanted, morphology and develop- 

 ment 643 



transplanting 538, 824, 825 



upland, culture 539 



varieties 824, 825, 826 



varieties, Guam 729 



varieties, Tex 532 



water wco\'il, remedies. La 568 



weather injuries to, in Italy 50 



wee\-il, studies 356 



yields, determination 634 



Rinderpest- 

 immunization 480 



in swine 79 



River- 

 bed materials, evaporation from, 



U.S.D.A 785 



discharge , handbook 484 



measurement. (See Stream measure- 

 ment.) 

 Road- 

 dragging contest in Saskatchewan 695 



law in New York 590 



laws in To wa 3"* 



laws in Maine 289 



materials, speciflcat ions 386 



materials, tests 386, 695 



regulations in Ontario 4S9 



system, county, engineering cost 386 



Roadrunner, food habits 156 



Roads — 



administration in Ballimore Co., Mary- 

 land 787 



administration in Minnesota 590 



administration in North Dakota 84 



administration in Oklahoma 585 



administration in Ontario 3S5 



administration in Wisconsin 690, 095 



concrete, cracks In *R8 



concrete, expansion and contraction, 



U.S.D.A 884 



concrete, grading fine aggregate for, 



U.S.D.A 787 



concrete mixtures for 490 



constniction and maintenance 89 



constniction, Federal aid 89, ISS 



constniction, gravel for 288 



constniction in Hawaii 384 



construction in National Forests, U.S. 



D.A 547 



constniction in the Ozarks 695 



construction in Wayne Co., Michigan 385 



construction, treatise ,. £90 



Roads— Continued. Page, 



improvement, illustrated lecture, U.S. 



D.A 598 



mileage and revenues, U.S.D.A 288,289 



oiling 490 



relation to rural life 89 



traffic census data 188 



yearbook 590 



Rock phosphate. {See Phosphate.) 



Rocks for roads, U.S.D.A 386 



Rodents, destniction, U.S.D.A 55S 



Roentgen rays, effect on metabolism in 

 lymphatic leukemia 267 



Rrestelia cancellata, studies 250 



Root- 

 crop seeds in Denmark 742 



crops, culture experiments 732,733 



crops, treatise 645 



crops, varieties 533, 733 



crops, varieties, Minn 228 



formation and geotropic curvature of 



stem 325 



hairs, glandular 222 



knot, treatment, Fla 453 



maggot injurious to crops in Louisiana... 854 



maggot, studies. Wash 566,599 



tubercles, formation as affected by ni- 

 trogeneous salts 133 



Roots- 

 absorption of nutrients by, U.S.D.A 223 



anatomical structure in different media.. 431 



epidermal cells 128 



forest tree, growth 27 



negative geotropism 325 



relation to oxygen 525 



sampling device for 711 



secondary, orientation 27 



Rosa, imperfection of pollen and mutability 328 



Rosa rv{/osa, tests, S.Dak 143 



Rose— 



d iseases, investigations 353 



mildew, notes 453, 839 



Rosellinia — 



bunodes, notes 652 



pepo, notes 452 



spp. in Lesser Antilles 454 



spp. on cacao and rubber 349 



spp. on limes and citrus trees 452 



spp. on tea roots 52 



Roses — 



annual 145 



culture 345.835 



fertiliier experiments, Til 449 



Rosin oil, detection 13 



Rotation— 



of crops 230, 82^ 



of crops, Idaho 30 



of crops, Minn 226,227,229 



of crops. Mo 731 



of crops, Oreg 532 



of crops , Tex 329 



ofcrops. Wash 33 



Houndworms in sheep, U.S.D.A 277 



Rubber- 

 canker, studies 4&S 



coagulants 348, 416 



culture experiments 144 



diseases, notes , 252,349 



