Hermann M. Biggs Memorial Lecture.
— The Hermann M. Biggs Memorial Lecture will be delivered by F. C. Bishopp, Ph.D., assistant chief in charge of research, Bureau of Entomology and Plant Quarantine, United States Department of Agriculture, in Hosack Hall, New York Academy of Medicine, on Thursday, April 5, at 8:30 p. m. The subject will be "The Medical and Public Health Importance of the Insecticide DDT." The lecture will be given under the auspices of the Committee on Public Health Relations and will be open to the public.
New York Institute of Clinical Oral Pathology.
—The New York Institute of Clinical Oral Pathology will hold its one hundredth monthly conference at the New York Academy of Medicine on Monday evening, April 30. The subject of the meeting will be "A Survey of the Antibiotic Problem." This will be discussed by members of the medical and dental professions both from