Heart and Blood

John Bessner Huber, A.M., M.D.

Assistant in Medicine, University and Bellevue Hospital Medical College; Visiting Physician to St. Joseph's Home for Consumptives; Author of "Consumption: Its Relation to Man and His Civilization; Its Prevention and Cure."

Skin Diseases

James C. Johnston, A.B., M.D.

Instructor in Pathology and Chief of Clinic, Department of Dermatology, Cornell University Medical College.

Diseases of Children

Charles Gilmore Kerley, M.D.

Professor of Pediatrics, New York Polyclinic Medical School and Hospital; Attending Physician, New York Infant Asylum, Children's Department of Sydenham Hospital, and Babies' Hospital, N. Y.; Consulting Physician, Home for Crippled Children.

Bites and Stings