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be observed in such a matter, that I am obliged to conclude that PE, vi griratious which I have been able to make plead in favor of :) opinion: The body examined is that of Admiral John

April 14, 1905.

Di. G. PAPILLAILT,
n! Director of the Luloratory of Anthropology

of the Ecole des Hautes Etudes,
sier at the School of Anthropologi', 3 Quai Malaquais.

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REPORT OF PROFESSOR CORNIL

[Translation.]

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\HE organs examined by me, the lungs, the heart, the liver, the

kidneys, were well enough preserved to be easily recognized by

the naked eye and under the microscope. Their structure was preserved; their fibrous structure and their general disposition, seen slightly magnified, clearly characterized each of these viscera; but with a higher magnifying power (from 200 to 500 diameters), the cellular elements were badly preserved, the nuclei were badly or not at all colored. The thin sections (coupes) were encumbered with salts, leucine, tyrosin, crystals of fat, etc., and bacteria. We conclude therefrom, viewing the matter from the state of preservation of the body, that it had been placed in alcohol a day or two after death had ensued, or that the alcohol had not been in sufficient quantity to penetrate all the parts and that a partial decomposition had taken place in the deeply seated organs, the cells of which had been incompletely acted upon. It may be also that the alcohol had been spilt and had escaped before the action was complete. It is this which accounts for the presence of bacteria and salts and for the bad preservation of the cells. With these remarks we give the result of our analysis for each particular organ.

Left lung.-On the surface of the lungs were whitish and opaque granules, from the size of a millet seed to a hemp seed. We cut thin sections of the lung surface comprising several of these granules. They were located in the pleura and in the lung itself. The fibrous structure of the pleura and the alveoli were perfectly preserved. The granules themselves were surrounded by the pleuropulmonary tissues which formed an envelope around them. They were composed entirely of voluminous clusters of fine crystals, acidulated with tyrosin, perfectly characteristic, in brush form and very long. These crystals resisted the action of acetic acid and even nitric acid diluted with water. My attention was attracted in this lung to a small grayish spot in the center and surrounded by a thick fibrous envelope. Upon the section the central part presented pulmonary alveoli distended by small round cells and an agglomeration of tyrosin crystals.

I treated several of these preparations with Ziehl's coloring matter to search for the bacilli of tuberculosis. There were none. It was simply a former pneumonia or broncho-pneumonia spot healed and surrounded by a fibrous tissue.

The heart.-—The heart, which was small on account of being contracted by the alcohol, showed no lesions of the orifice. The aorta exhibited no signs of atheromatosis. Microscopic sections of the cardiac walls showed muscular fibers, streaked lengthwise and crosswise, separated by the normal conjunctive tissues. A like abundance of small crystals and bacteria were noticed.

The liver.-Sections of this gland, slightly magnified, reseinbled perfectly those of a normal liver; the lobes, the central veins of the lobes, the sinus of the veine-porte, the radiating bays of the hepatic cells are all well preserved. We can thus assure ourselves that the conjunctive perilobular tissue is not thickened. With a higher magnifying power the hepatic cells have no coloring nuclei, and there also exists there numerous varieties of crystals and microbes. The masses of tyrosin. visible to the naked eye, like very fine white and opaque granules, are less numerous than in the lungs.

The kidneys are well preserved in their form. Sections enabled one to establish the constituent elements, the fibrovascular structure, the tubuli, and glomeruli. Preparations colored in two ways, with hematoxyline, and, according to Van Giesen, revealed glomerulose lesions. A certain number of glomeruli, in fact, presented a fibrous formation, characterized by the red coloring due to the Van Giesen colorant. In the place of the vessels with thin walls and permeable by the blood, a uniform red tint is observed, due to the formation of the conjunctive tissue. It is a real interstitial glomerulitis far advanced on some of the glomeruli thus transformed into fibrous nodules. Moreover, the Bowmann capsules were at times much thickened. The arteries were likewise very thick and surrounded or filled with crystals of fat.

These lesions indicate interstitial nephritis. The bad preservation of the cells do not prevent me from making a statement with reference to the lesions to which they were subjected.

The spleen did not reveal any anatomical lesions.

According to this examination, the only organs which were injured were the kidneys. As far as can be judged by the examination of the badly preserved viscera, we believe that the case in point is interstitial nephritis, with fibrous degeneracy of the glomeruli of Malpighi, which quite agrees with the symptoms observed during life. Paris, June 1, 1905.

V. CORNIL.

NOTE.-Six illustrations, microphotographs of sections of kidneys, lungs, and liver of Jones's body have been made. They are an important part of the testimony which establishes the identity of the body.

A limited number of these prints have been prepared, and any patriotic, medical, or other society or organization desiring to examine them and compare them with the printed reports regarding the diseases with which John Paul Jones suffered may obtain them from the Navy Department and insert them in its copy of this volume following the report of Professor Cornil.-COMPILER.

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