DEPARTMENT CIRCULARS 49 



286. The rhayoto : Its culture and usos. L. G. Hoover. 1923. 



287. The occurrence of (Ii.>«t»a8e.s of ndnlt beo.s. E. F. Phillips. 1928. 



288. The puss caterpilJar and the effects of its stinjf on man. K. C. Blshopp. 1923. 



289. The work of the ScottsbJuff Experiment Farm in 19i;o and 1921. James A. Holdeu. 



1024. 



290. United States grades for rou^h rice. H. J. Besley, B. G. Boerner, and W. D. Smith. 



192;{. 



291. United States grades for milled rice. H. J. Besley, E. G. Boirner, and W. D. Smith. 



102:?. 



292. Slash disposal In western white pine forests in Idaho. J. A. Larson and W. C. Low- 



dcrmilk. 1924. 



293. Commercial control of citrus stem-end rot. John K. Winston, Harry U. F^ilton, and 



.folin J. Bowman. 102:{. 



294. The rat mite attacking man. F C. Blshopp. 1923. 



295. Basic grading rules and working stresses for stnictuml tlmbcr.s, J. A. Nnwlln and 



R. 1'. A. Johnson. 1923. 

 290. Standard grading si)ecifications for yard lumber. Edward P. Ivory, David G. White, 

 and .Vrthur T. Upgon. 1923. 



297. The eelwurm disf'a.sc ; a menace to alfalfa in .\niericn. G. H. Godfrey. 1923. 



298. Directory of officials and organizations concerned -.vlth tlie protection of birds and 



game. 1923. George A. Lawyer and Frank L. Karnshaw. 1923. 



299. Quarantine procedure to safeguard tlie introduction of citrus plants : A system of 



aseptic plant propagation. Walter T. Swingle, T. Ralph Robinson, and Eugene 



May. Jr. 1924. < 



,?on. Commercial cut.s of meat. W. C. Davis. 1924. V 



301. Introduction of parasites of the alfalfa weevil into the United States. Thomas R. 



Chamherlin. 1924. 



302. Farm nmnagement extension. Early development and status In 1922. H. M. Dixon. 



1924. 



303. Hot-water treatment of sugar cane for insect pests — a precaution. P. A. Yoder and 



J. W. Ingram. 1923. 

 .304. T'nited States grades for shelled white Spanish peanuts. 1924. 



305. Electrochemical treatment of seed wheat. C. E. Leighty and J. W. Taylor. 1924. 



306. Statlsti<-s of cooperative extension work. 192.'5-24. Eugene Merritt. 1924. 



307. .V method of testing rarm-manat:enient and eost-of-production data for validity of 



comlusions. 11. R. Tolley and S. W. Mendum. 1924. 



308. An extension program in range livestock, dairving, and human nutrition for the 



W.stern States. W. A. Lloyd. 1921. 

 3<»9. Spraying strawberrlps for the control of fruit rots. E. M. Stoddard. D. H. Rose, and 

 N. E. Stevens. 1024. 



310. The solar propngaling frame for rootiiiu citrus and other subtropical plants. Walter 



T. Swingle. T. Italpli Uolnnson, and E. Mav, Jr. 1924. 



311. Cabbage-seed treatment. J. ('. Walker. Iit24. 



312. Hoys' and girls' club w<irk, 1022. Ivan L. Uobson and Gertrude L. Warren. 1024. 

 31.">. I'urchase of land for national forests under act of March 1, 1911. the Weeks' law. 



1924. 



314. Home demonstration work. 1022. Grace E. Frvsinger. 1024. 



31".. Chilling of tomatoes. H. C. Diehl. 1924. 



310. Methods and results of cooperative extension work, reported through county agricul- 

 tural agent.s. 1!)22. II. W. Hochbaum. 1924. 



317. Kiinan lespide/ i. a new forage crop. A. J. Pieters and G. P. Van Eseltlne. 1924. 



31,s. The natiou.'il torest.s of Arizona. 1924. 



310. Compositii n of sugar-beet pulp and tops and of silage tlierefrom. Sidney F. Slur- 

 wood. 1024. 



320. Tile Van Kle«>t raspberry, a new hybrid variety. fJeorge M. Harrow. 1924. 



.321. Control ol' cucninber mosaic In the greenlmuso. S. P. Doolittle. 1924. 



322. Mycotic stomatitis of cattle. Jolin U. Mohler. P.124. 



323. How to collect, lalwi. and pack livlmi plant material for long-distance shipment. B. 



T. Calloway. I0:.'4. 



324. M.trkton. an oat variety Immune from covered smut. T. R. Stanton, D. E. Stephens, 



and E. I", (iaines. 102 1. 

 32,"». Foot-and-mouth disease, with .«peclal reference to the outbreak of 1914. John R. 

 Molil.r. I!i24. 



326. United Stat4'H grades for tlmothv hav. clover hay. clover mixed hay, and grass mixed 



hay, I'fTectlve Fel). 1. 1924. Edward C. Parker. 1924. 



327. Tile Fretu-h lurpentlning system npi)lled to longleaf pine. E R. McKi-e. 11>24. 



328. Directory of officials and ornanl/alioiis <'oncerned with the protection of birds and 



gaini' : ]!>24. G'-orge A. Lawver and Tall)ott Denmead. 1924. 



329. Extension work in plant pathology. 102.?. Fred C. .Meier. Ut24. 



.330. Work of the Huntlev nclaiiiatloii project experiment farm in 1022. Dnn nan84'n. 



1924. 

 831. Standard speclfl^ntlon.i for cornitratc*! mefjil pipe culverts. lP2.''i. 

 3:t2. ChiuUiiil eradication of the coniiiiori burberry. Noel U. Thompson. 1924. 

 38.".. Handling the soft-corn cop. FrediTlcI< I> Rlchev. 1924. 

 334. 'Ilie b'.> louse. Kniuln co. ,-,;. i„ ti,c Inlt.d State).; E F F'bllllps. 192.1. 

 83.''i. .\ii cxtcfision prour.'im In croj. production to reenforce rnnue llve-<iock. dairying, and 



human nutrition for the W. stern Slates W. .\. I.lovfl. 1921. 

 3.^0. Sj)rend of tlie Eiiroiiean starling in North Anierlcn. ^iny Tbacber Cooke. 1925. 

 3:17. Hot water trcntnuiif of dormant and snroniiil s.rd cnii.- P. A Y')!er. 102B. 

 3.'t8. I'araslt's and para.><itlr <llHeH«es of dogs. Minirlc«» C. Hnll. 102ft. 

 .339. Work of the Belle Fourche reel.imatlon experiment farm from 191U to 1922. Inclusive, 



Beyer .Aune, 102."i. 



340. Cost of produilni; Held cropn. 1023. M. R Cooper nnd C. R. Hnwley. 192n. 



341. Sei'd (lax as a farm crop In \'.K'^. A. C. Dlllmnn, A. C. Arny, Plvde McK-'c. T E. 



Stofi, and A. N. Hume. 102.1. 



342. Work of the Umaflll.i reclamation project experiment farm In 1920, 1921, and 1922. 



H. K. Dean. 192.'). 



