First Edition. 8vo.,  pages; VG; no cover, penciled notations at top of first pages , slight bump to lower right corner; back has blue library stamp at upper left edge, slight smudge and spotting; clean interior; "Reprinted from Nature, Vol. 150, page 55, July 11, 1942."
Rockville Non-Retail Listings
Price: $25 save 25% $18.75