XII EXPERIMENT STATION RECORD. [Vol.43 



Page. 



Bulletin 817, Observations on the Life History of Ascaris lumhricoides, 



B. H. Ransom and W. D. Foster 2Tr> 



Bulletin 820, Jack Pine, W. D. Sterrett 443 



Bulletin 821, Frost Protection in Lemon Orchards, A. D. Shamel, L. B. 



Scott, and C. S. Pomeroy 440 



Bulletin 823, Experiments with Kherson and Sixty-day Oats, C. W. War- 

 burton and T. R. Stanton 639 



Bulletin 824, Insect Powder, C. C. McDonneU, R. C. Roark, and G. L. 

 Keenan 352 



Bulletin 826, Generic Classification of the Hemipterous Family Aphididse, 

 A. C. Baker 758 



Bulletin 828, Bacterial Wilt of Cucurbits. F. V. Rand and E. M. A. En- 

 lows 245 



Bulletin 820, Effect of Temperature on the Resistance to Wounding of 



Certain Small Fruits and Cherries, L. A. Hawkins and C. E. Sando 39 



Bulletin 831. Spillways for Reservoirs and Canals, A. T. Mitchelson 787 



Bulletin 832. The Flow of Water in Dredged Drainage Ditches, C. E. 



Ramser 478 



Bulletin 833, Chrysanthemum Midge, 0. A. Weigel and H. L. Sanford 360 



Bulletin 834, Black Grain-stem Sawfly of Europe in the United States, 

 A. B. Gahan 363 



Bulletin 835, Capillary Movement of Soil Moisture, W. W. McLaughlin__ 722 



Bulletin 836, Broom-corn Experiments at Woodward, Okla., B. E. Roth- 



geb and J. B. Sieglinger 232 



Bulletin 837, Control of the Grapeberry Moth in Northern Ohio, H. G. 



Ingerson and G. A. Runner 454 



Bulletin 838, Cypress Bark Scale, F. B. Herbert 452 



Bulletin 839, The Microscopical Examination of Flour, G. L. Keenan and 



M. A. Lyons 313 



Bulletin 840, A System of Records for Local Farmers' IMutual Fire In- 

 surance Companies, V. N. Valgren 193 



Bulletin 841, The Western Grass-stem Sawfly, C. N. Ainslie 259 



Bulletin 843, The Bean Ladybird, F. H. Chittenden and H. O. Marsh 455 



Bulletin 844, Sweet Clover Seed, H. S. Coe and J. N. aiartin 640 



Bulletin 845, Production of Lumber, Lath, and Shingles in 1918, F. H. 



Smith and A. H. Pierson 150 



Bulletin 846, Examination of Frozen Egg Products and Interpretation of 



Results, H. W. Redfield 414 



Bulletin 847, Roundheaded Apple-tree Borer: Its Life History and Con- 

 trol, F. E. Brooks 760 



Bulletin 848, An Economic Study of Small Farms Near Washington, D. C, 



W. C. Funk 691 



Bulletin 849, City Milk Plants : Construction and Arrangement, E. Kelly 



and C. E. Clement 682 



Bulletin 850, Rent Contracts in Typical Countries of the Wheat Belt, E. A. 



Boeger 290 



Bulletin 851, Cost of Producing Apples in Five Counties in Western New 



York, 1910-1915, G. H. Miller 649 



Bulletin 853, The Organization and Management of Farms in North- 

 western Pennsylvania, E. D. Strait and H. M. Dixon 692 



BuUetin 854, The Flow of Water in Drain Tile, D. L. Yarnell and S. IM. 



Woodward 788 



BuUetin 855, Saponified Cresol Solutions, J. M. Schaffer 273 



