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JAMA. 1903;XLI(19):1147-1148. doi:10.1001/jama.1903.02490380023005.
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An interesting evidence of the encouragement scientific work in public institutions is receiving is afforded by the anatomic study of intracranial tumors by I. W. Blackburn,1 pathologist to the Government Hospital for the Insane, Washington, D. C. In the profuse illustrations of this work there is a resemblance to certain famous old atlases of morbid anatomy which have long served as landmarks in medicine; a similar rôle undoubtedly awaits this contribution; it will be valuable for purposes of reference. The large number of black and white, unembellished drawings by Blackburn of microscopic preparations indicate an earnest zeal for this manner of recording observations worthy of hearty commendation. Seventeen of the tumors showed the structure of spindle-celled sarcomas and are designated as "endothelial." They arise from the dura as circumscribed, warty growths, compressing but not infiltrating the substance of the brain. Their slight attachment to the dura has frequently led


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