Chief of Clinic and Instructor in Laryngology, Columbia University; Laryngologist to the Orphan's Home and Hospital.

Care of Infants

Herbert B. Wilcox, M.D.

Assistant in Diseases of Children, Columbia University.

Special Contributors

Food Adulteration

S. Josephine Baker, M.D.

Medical Inspector, New York City Department of Health.

Pure Water Supply

William Paul Gerhard, C.E.