. Biology in America. Biology. Biology and Medicine 469 in groups around the tables of exhibits; they listen to the stories of improvement as told by tliose wlio have been treated, and return to their homes to report to their neiglibors what they have seen and heard. . The effect of these edi^x-a- tional activities is seen nist of all in the transformation which has been wrought in public sentiment. This change of senti- ment shows itself in the co-operation of the press—which is now practically universal in all the States—in the growing co-operation of the physicians, of the educational agenc
. Biology in America. Biology. Biology and Medicine 469 in groups around the tables of exhibits; they listen to the stories of improvement as told by tliose wlio have been treated, and return to their homes to report to their neiglibors what they have seen and heard. . The effect of these edi^x-a- tional activities is seen nist of all in the transformation which has been wrought in public sentiment. This change of senti- ment shows itself in the co-operation of the press—which is now practically universal in all the States—in the growing co-operation of the physicians, of the educational The Kesllt of lia kworm Treatment (Left)—A victim of hookworm. (Eight)—The same girl after treatment. Courtesy of the Rockefeller Foundation. of the whole people; it shows itself in an increasing support, not only of this particular work, but of all public-health in- terests.''^'^ Probably in no field of medico-biological research have ani- mals played a larger part than in the investigation of can- cer. Rats and mice have been the principal subjects for these experiments, because of the readiness with which can- cerous and other growths can be transplanted in them, and ""The Rockefeller Sanitary Commission," Second Annual Report, pp. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Young, R. T. (Robert Thompson), b. 1874. Boston, R. G. Badger
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