NOTE The data obtained by the commission on the costs of production of sugar beets are published in 10 sections, as follows: Part I. Michigan. Part II. Ohio. Part III. Nebraska. Part IV. Colorado. Part V. Utah. Parr VI. Idaho. Parr VII. Wyoming. Part VIII. Montana. Part IX. California. Parr X. Summary of costs of production of sugar beets in the United States and an economic analysis of the sugar- beet industry. In this investigation the Tarif Commission had the services of Dr. E. B. Brossard, Dr. P. W. Bidwell, L. B. Zapoleon, W. C. Funk, S. B. Nuckols, O. A. Juve, G. A. Billings, F. H. Shelledy, and C. K. Lewis, of the agricultural division of the commission’s staff, and of pthers.