ORIGINAL COMMUNICATIONS.

Art. Page.

I. Description of the Gangrenous Ulcer of the mouths of children. By B. H. Coates, M. D., one of the Physicians to the Philadelphia Children's Asylum, &c. [1]

II. Case of Purpura in an Infant, attended with extraordinary symptoms. By R. M. Huston, M. D. [24]

III. History of the Natural and Modified Small Pox, or of the Variolous and Varioloid Diseases, as they prevailed in Philadelphia, in the years 1823 and 1824. By John K. Mitchell, M. D., and John Bell, M. D., attending physicians at the then Small Pox Hospital. With a plate. [27]

IV. Remarks on the Pathology and Treatment of Yellow Fever. Arranged from the notes of Dr. J. A. Monges, of Philadelphia. [53]

V. Remarks on the Prophylactic Treatment of Cholera Infantum. By Joseph Parrish, M. D., one of the Surgeons to the Pennsylvania Hospital. [68]

VI. Case of Neuralgia cured by Acupuncturation. Communicated by J. Hunter Ewing, M. D. [77]