A Preliminary Study Of The North American Opossums Of The Genus Didelphis is a scientific book written by Joel Asaph Allen in 1901. The book provides a comprehensive study of the North American opossums belonging to the genus Didelphis. The author has described the physical characteristics, behavior, and habitat of each species of opossum in detail. The book contains detailed illustrations and photographs of the opossums, which help the readers to...