��MOEBID ANATOMY.
��that resulted from the first operation. All of the articular surfaces are carious, and externally the bones are rough from new deposit. Structure light. (See No. 1401.) 1859.
Dr. H. J. Bigelow.
1401. A portion of the hiimerus, and of the bones of the fore- arm ; from the last case.
The patient returned to the hospital in about two months, with several fistulous openings, and a cavity in the former situation of the joint. Amputated Nov. 20th, and he was discharged well in Feb.
The bones, prepared by Dr. Hodges, and shown in the
adjoining figure, are con- nected by a fibro-cellular band, that, in the recent state, was 1 in. broad, and l in. in length. The hume- rus, for 2 in. above where it was originally sawed, is enlarged, rough, and some- what carious. From the lower extremity, anteriorly, there project two defined conical processes of bone, curved forward and inward like horns, and arising, one from the inner, and one from the outer margin of the bone ; their length being three-fourths of an inch, and their diameter about one- fourth ; and there are also
similar, but smaller, processes posteriorly. The bones of the forearm are less diseased than the humerus ; but with a considerable growth of new bone, besides a separate piece that seemed to have been formed in the soft parts.
This case has been published by Dr. B. in the Mod. Jour. Vol. LXXVI. p. 345. He remarks particularly upon the " re- production of the cond3'les of the humerus by the perios- teum, for the insertion of the extensors and supinators." He remarks, also, that caries of the elbow-joint, from dis-
��� �
