144 MORBID ANATOMY.
in., and upon the left it is half an inch. On the 26th he was discharged, well.
The case thus far was published in the Med. Jour. (Vol. LXXVI. p. 390), by Dr. Geo. H. Gay, who had charge of the patient until the 1st of Nov.
From the Mass. Gen. Hospital he went directly to the Marine Hospital at Chelsea, where he was under the care of Dr. Graves. On admission he walked with crutches, but on the 10th of January he could walk very well with- out even a cane, and he continued to improve until he left the hospital, on the 23d of March. 1867.
Dr. H. J. Bigeloiu.
944-5. Two casts of the back, from the above case, taken after the man had been for some time at the Marine Hospital, and showing a great diminution of the curvature of the spine.
As in the case of the two first casts, one was taken whilst the patient was sitting up, and the other as he was lying down ; the curvature being most marked in the first. 1867. Dr. John W. Graves.
946. The fifth lumbar vertebra, from a Flat-Head Indian, show- ing an entire separation of each lamina from the body of the bone between the two articulating processes, and also of the laminae from each other, upon the posterior median line. The first is regarded by Dr. J. Wyman as the result of an old and undescribed form of fracture ; and in the Med. Jour. (Aug. 12th, 1869), he has reported eleven cases of the same, that he has seen ; to which might be added that of Dr. John C. Warren, the founder of the Museum.
Dr. W. says that this fracture is " often noticed in the preparation of skeletons," that it has only been observed in the fourth or fifth lumbar vertebra, and that in one sub- ject he found it in both of these bones. He thinks that it cannot be a malformation, and the result of an arrest of development, as the separation of the fragments is not where it should be in that case ; and yet there is an uni- formity in the appearance of the bones, and an absence of
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