Summary: The text describes various bat species such as the lesser Asiatic yellow bat, the papillose bat, and the woolly flying-squirrel found in different regions including Oriental region, Nepal, Burma, Ceylon, and India at varying elevations. The detailed description encompasses their anatomical features, dentition patterns, distribution ranges, and habits. It highlights distinctions between closely related species within the g enera Vespertilio, Cerivoula, Nyctinomus, and Pteromys. The descriptions include measurements of body parts, skull dimensions, and characteristics like wing span, tail lengths, fur color, and the presence of specific features like a gular sac, hairy throat, or hairy membranes. Despite the varied physical attributes, the species share common habits like nocturnal behavior, feeding on fruits and insects, and nesting in caves or tree hollows. The text also mentions the habitats where these species are commonly found and the ecological significance of their presence in different regions.