16 MISCELLANEOUS PUBLICATION 9, U. S. DEPT. OF AGRICULTURE 



833. Obryiianthpmnin mldsc. C. A. Welgcl nnd H. L. Banford. 1920. 



8;!4. Black :;ialn stem snwfly of Riirope in tho TnttPfl States. A. IJ. Gahiin. 1920. 



8.'<5. Capillary movpiiiciir of koII nmlsturt'. Wiillc-r VV. Mil.:uii,'hllii. I'.tlli). 



S.'JC. Broi'iii corn expt-rlinent.s at Womlwanl, Okla. HeiUoii HothKcl) and John O. Slrg- 



llii-.T. IDUO. 

 837. Control of the grape-berry moth In northern Ohio. H. C. luKcrwon and O. A. Kun- 



nor. 1020. 

 8."?8. Cypr«Ks bark-Hcale. F. H. Ht-rhert. 1020. 

 8;{9. Tn<' nilcroHcoplcal examination of flour. Qeorge L. Keenan and Mary A. Lyons. 



1920. 



840. .\ Hvstem of rf'cords for local farmers' mutual fire Insurance companies. V. N. 



Val«r»'n. lOL'O. 



841. The western ;:rass .stem snwHy. C. N. .Mnslio. 1020. 



812. The ncmalnde diseaso of wheat causi-d by Tplcnrhun tritiri. L. P. Byars. 1920. 

 84.'}. Tho bean ladyhird. K. 11. Chitt.nd.n nnd IT. (). M.ir.«h. l'.)20. 



844. Sweet-clover soid : Part I. rolllnatlon sturtles of 8p<h1 production. Part II. Struc- 



ture and chemical nnture of ilie .seed roiil nnd Its i-elation to impermeable seeds 

 of .«weet clover. H. S. Cop nnd .1. N. Miirtln. 1020. 



845. Production of Inmlx-r, lath, and shin>;les in 1018. Franklin II. Smith and Allmrt 



H. lierson. 1920. 

 840. F'xrtmlnation of frozen-egg prodiiclK and interpretation of results. II. W. Uedfield. 



1020. 

 847. Roundheaded apple-treo borer: Its life history nnd control. Fred 10. Brooks. 1020. 

 84.S. .\n economic study of smiill farms near WashlnKtou. D. C. W. C. Ffink. 1020. 

 840. Citv milk plants, construction and arrangement. Krnest Kelly aud Clarence E. 



Clement. 1920. 

 8."i0. Rent contracts in typical counties of the wheat belt. R. A. Roeger. 1920. 



851. Cost of i)rod»icinK apples in five counties In western New York. 1910-1915. O. n. 



Miller. 1020. 



852. I'low of water In concrete pipe. Fred C. Rcobey. 1920. 



85:i. The orL'nnization and manacement of farms in northwestern Pennsylvania. E.irl 



D. Strait and H. M. Dixon. 1020. 



8B4. The flow of water In dr;)in tile. I). L. Yarnell and Sherman M. Woodward. 1020. 



85.">. Saponllied cre.sol solutions. .Tncob M. Schaffer. 1020. 



8.50. Ciirrant-prape growing: A promising new industry. George C Ilusmann. 1020. 



857. Modifii'd Roerner sampler. E. (i. Roerner and K. H. Ropes. 1020. 



858. Roquiremeiifs oiul co.sl of producing market milk In northwesteru Indiana. .1. M. 



Rain nnd It. J. I'osson. 1020. 



859. The process of ripening in the tomato, considered especially from the commercial 



standpoint. Charles E. Rando. 1920. 



860. The org.mizatlon of cooperative grain elevator companies. .1. M. Mehl and O. B. 



.Tesness. 1920. 



801. Alnrkeling eastern grapes. Dudley Alleman. 1920. 



802. Food habits of seven species of American shoal-water ducks. Douglas C. Mahbot. 



1020. 

 80:i. Forestry lessons on homo woodbinds. Wilbur Mattoon and Alvln Dllle. 1920. 

 8'U. .\ pendi sizing machine. Manley Stockton and J. F. R:irghausen. 1920. 

 865. The classification of ledger accounts for creameries. Oeorgo O. Knapp, Burton B. 



Mas(m. and A. V. Swnrthout. 1020. 

 800. Pickering sprnvs. F. C. Cook. 1920. 

 807. The castor-oil iiulustry. J. 11. Shrader. 1020. 

 868. Economic value of the starling In United States. B. R. Kalmbach and I. N. 



Oabrlelson. 1021. 

 809. The Inheritance of the length of Internode In the rachls of the barley spike, n. K. 



Hayes and Harry V. Harlan. 1020. 



870. Effect of winter rations on pasture gains of yearling steers. B. W. Sheets and 



R. H. Tuckwiller. 1920. 



871. The dry rot of Incense cdar. .T. S. Rovce. 1020. 



872. Insect control In Oour mills. K. A. Rack. 1920. 



873. The shrinkage of market hay. II. B. McClure. 1020. 



874. Farm land values In Iowa. L. C. Gray aud <). G. Lloyd. 1020. 



875. Cottnn-holl weevil control by the use of poison. R. R. Coad and T. P. Cnssldy. 



1020. 

 870. Halrv-vetch seed production In the United Stnt<\s. 1,. W. Kephnrt and Roland 

 McKeo. 1920. 



877. Austr.nll.Mn wheat varletle.ij In the Pacific const area. J. Allen Cbirk, David B. 



Stephens, and Victor H. Florell. 1920. 



878. Varietal experiments with spring whent on the nortliern Orent Plains. J. Alien 



Clark. .John H. Martin, and Ralph W. Smith. 1920. 



879. The mosnic dlsense of cucurbits. S. P. Doolittle. 19J0. 



880. Effects of pork-curing processes on trichinae. B. H. Ransom, B. Schwartz, and 



H. R. RiilTensberger. 1920. 



881. Effect of alfnlfa on subseqaent yields of Irrigated field crops. C. S. Scofleld. 1920. 



882. Miinnfncturing and liibonitorv tests to produce an Improved cotton airplane fabric. 



Fred Tavlor nnd D. E. Karle. 1920. 



883. Experiments with flax on breaking. Charles II. Clark. 1920. 



884. rtilizjitlon of syciirnore. W. I). Rrusli. 1020. 



885. The black llv of rttrus and other subtropical plants. Harrv F. Dlete and .Tames 



Zet<k. 1920. 

 880. Spotted npple tree borer. Fred K Rrooks. 1020. 



857. Pear lK)rer. Fred E. Brooks. 1920. 



858. Results of experiments with miscellaneous substances against chicken lice and the 



dog flea. W. S. .\hhott. 102<i. 

 889. Clover stem liorer as an nifalfn pest. V. L. Wildermuth nnd F. H. Gates. 1020. 

 800. Milkplnnt e(|iiliimpnt. Krnest Kelly nnd Clarence E. Clement. 1920. 

 8!tl. Tlje green .lune beetle. F. H. Chl{tenden and I>. B. Mnk. 1922. 

 892. The beet leaf-t)eetle. F. H. Chittenden and H. O. Mursh. 1920. 



