A textbook of entomology de réir Ross, Herbert Holdsworth 1908-, Ross, Charles Alexander, Ross, June R. P.

A textbook of entomology de réir Ross, Herbert Holdsworth 1908-

Table of contents only

Paleogeographic provinces and provinciality based on a symposium sponsored by the Society of Economic Paleontologists and Mineralogists.

Standard Wolfcampian series (Permian), Glass Mountains, Texas. de réir Ross, Charles Alexander