Handbooks of American natural history

An illustrated study of the biological characteristics, habits, and habitats of seventy-nine turtle species and subspecies.

"A manual for the study of the spiders and their near relatives, the scorpions, pseudoscorpions, whip-scorpions, and other members of the class Arachnida, found in America north of Mexico, with analytical keys for their classification and popular accounts of their habits"--Subtitle.