Fossil Metacarpals from Swartkrans Bumpus also created the trailside

Bumpus also created the trailside museum and natural history shrines that have taught thousands of Americans the story behind the scenic and natural wonders of our national parks (from the jacket flap)

American Museum of Natural History

These four sets of wrappers do not go with the Reptilia and Batrachia section described here

The printed result is a very fine network of irregular lines building up various depths of tone” (Rix - The Art of Botanical Illustration

This revised second edition corrects many mistakes that were present in the 1955 first edition

Fossil Metacarpals from Swartkrans Bumpus also created the trailsidePp. (2), 18; 2 full page photo plates, each with a descriptive leaf of text. Publishers original gray stiff wrappers, lettered in black on the front cover, sm folio (12 1 4 x 9 1 4 inches). From the series: Fossil Mammals of Africa, no. 17. Napier describes and compares two hominin metacarpals from Swartkrans Cave; he concludes one metacarpal is assignable to Paranthropus and the other to Telanthropus now called early Homo. Publisher British Museum