Synopsis The second revised edition of An Introduction to Reptiles is carefully organized, clearly written textbook emphasises the origin and evaluation, structure, function and life of reptiles, both existing and extinct, with special emphasis on their adaptation to different mode of life. The subjects that receive special attention are: adaptive radiation, Dinosaurs, skull of reptiles, sphenodon chelonia etc. One of the principal aims of the book is to present the account in simple language and in straight forward manner, avoiding grotesque phrases, in order to make the reading easy and assimilation quick.