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THE POPULAR SCIENCE MONTHLY
Dr. A. Lutz, chef de service, Oswaldo Cruz Institute, Rio Janeiro, Brazil, formerly director of the Bacteriological Institute, São Paulo, Brazil; well-known worker in helminthology, pathology and bacteriology, as well as entomology; he has done much work on the mosquitoes of Brazil, and has conducted studies of great importance in regard to the relation of insects and disease.
