This is a rare 1968 Forest Tent Caterpillar Moth Genus Entomology Bulletin 276 published by the Smithsonian Institution. The book is a paperback format and consists of a revision of the Genus Malacosoma Hubner in North America. It is a thesis/dissertation written by Frederick W. Stehr and Edwin F. Cook, and is recommended for high school, adult & further education, and vocational school levels. The book is written in English and focuses on the subject areas of science, biology, ecology, microbiology, and entomology. It is suitable for readers with proficiency, advanced, beginner, intermediate, technical, and business levels. This publication is a valuable addition to any collection and is perfect for those interested in the study of entomology or natural science.