[Pregnant rabbit being disinfected in germicidal bath as preparation for caesarean operation, Laboratories of Bacteriology at the University of Notre Dame, Indiana]

[Unidentified Man in Native American Dress]

Lab administrators are James Reyniers (center) who conceived the project, Philip Trexler (left) who is in charge of equipment and technical development and Robert Ervin (right) who supervises care of the animals.

James Park, Evanston

Chalk Games, Evanston

[Wolf Vishniac arriving with his family in New York Harbor on the S.S. Siboney, New York]

[Student auto mechanics learning to repair a car engine, New York]

[Cookie the Chimpanzee with boy on a tricycle, Bronx Zoo, New York]