Witherstine, C. Sumner, M.S., M.D., Philadelphia, 1888, 1889, 1890, 1891, 1892.

Wyman, Walter, M.D., Washington, 1892.

Young, Jas. K., M.D., Philadelphia, 1891, 1892.

JUNIOR ASSOCIATE EDITORS.

Baldy, J. M., M.D., Philadelphia, 1890.

Bliss, Arthur Ames, A.M., M.D., Philadelphia, 1890, 1891, 1892.

Cattell, H. W., M.D., Philadelphia, 1890, 1891.

Cerna, D., M.D., Ph.D., Philadelphia, 1891, 1892.

Clark, J. Payson, M.D., Boston, 1890, 1891, 1892.

Crandall, F. M., M.D., New York, 1891, 1892.