New York: B Westermann, 1931.
Illustrated by Illustrated. Hardcover. Very Good in Good+ dust jacket. Item #12466
Light tone, otherwise light wear; Dust Jacket tone, rubbed, foxing, tear, wear. Crisp hardcover. ; Contents: The Attis Spiders and their Wonderful Eyes; Phyllotaxis and Composite Flowers; Notes and Observations on Forms of Sand; Notes on Fungi. ; 152, 3 ad pages.