William I. Gill profile picture

William I. Gill

Is this your author profile? Create an account to claim and customize it!

Evolution and progress an exposition and defence : the foundation of evolution philosophically expounded, and its arguments (divested of insignificant and distracting physical details) succinctly stated : together with a review of leadinopponents, as Dawson and Winchell, and quasi opponents, as LeConte and Carpenter