A New Bat (Genus Pipistrellus) from Northeastern Mexico, published in 1954 by Rollin H. Baker, is a scientific study detailing the identification of a new subspecies of the eastern pipistrelle bat, named 'Pipistrellus subflavus clarus.' The book provides extensive morphological data, including size and skull measurements, and compares this subspecies to other varieties. It focuses on the geographic range of 'clarus' in Coahuila, Mexico, and southwestern Texas, emphasizing its habitat preferences and the importance of biodiversity conservation in these ecosystems.
