314 THE POPULAR SCIENCE MONTHLY.
Lack of space forbids a detailed statement of tlie work which at the close of the first decade had gained such a momentum that thirty-seven boards in as many States have been formed, young Oklahoma bent on having every improvement that can attract immigration bringing up the rear. Most of them are composed entirely of physicians. No commendations are too strong for these true knights of science, who, in the spirit of "truth for truth's sake," have labored unceasingly and unselfishly to pro- mote preventive medicine.
The modern State Health Board is a highly organized educa- tional machine, in each State employing experts to investigate the mistakes and errors, the needs and advantages of the region. At the first menace of invasion by cholera, yellow fever, or small- pox the State is at once transformed into a camp of instruction, through the myriads of pamphlets and leaflets that fly on the wings of every outgoing train to the farthest hamlet or lumber camp or mine, in many tongues a true pentecostal dispensation of saving light and knowledge. It is twenty-five years since the first one drew its first timid breath. State medicine is now rapidly growing and will be a giant. Its twenty-fifth birthday seemed a good milestone at which to pause and, in mercantile parlance, " take account of stock." A circular letter was sent out to all the secretaries as follows :
1. When was your State Board established ?
2. To the reform of what sanitary errors or abuses did it ad- dress itself ?
3. What obstacles did it encounter ?
4. What positive results has it effected ?
5. By what methods does it promote sanitary and hygienic reforms ?
From all but three, careful, painstaking, and most courteous answers have been received, often accompanied by documents of inestimable value, both as presenting a graphic picture of sanita- tion to-day in the localities whence they come, and as a mine of sanitary information.*
��* The names of the gentlemen thus kindly favoring me, and of the States to which they belong, are as follow : Alabama, Jerome Cochrane, M. D. ; Arkansas, D. W. Holman ; Cali- fornia, J. R. Lane, M. D. ; Connecticut, Prof. C. A. Lindsley, M. D. ; Delaware, F. B. Fra- zer; District of Columbia, W. C. Woodward, M. D. ; Florida, Joseph Y. Porter, M. D. ; Illinois, J. W. Scott ; Indiana, C. N. Metcalf, M. D. ; Iowa, J. F. Kennedy, M. D. ; Kansas, M. O'Brien, M. D. ; Kentucky, J. N. McCorraac, M. D. ; Louisiana, W. R. Harman, M. D. ; Maine, A. S. Young, M. D. ; Maryland, James A. Stewart, M. D. ; Massachusetts, G. W. Abbott, M. D. ; Michigan, Henry B. Baker, M. D. ; Minnesota, C. N. Hewitt, M. D. ; Missis- sippi, Wirt Johnson, M. D. ; Missouri, R. C. Atkinson, M. D. ; New Hampshire, Irving A. Watson, M. D. ; New Jersey, W. D. Mitchell, M. D. ; New York, J. S. Barnes, M. D. ; Rhode Island, Gardner T. Swarts ; South Carolina, H. D. Frazer, M. D. ; North Carolina, Richard