Detroit: Privately printed, 1938. Paperback. Stiff tan wrappers. 76pp. Very good. Item First printing of this odd series of lectures delivered before the Houghton Study Club in May 1938: "...we are reproducing from the bottom... vigorous, intelligent stock has too few children to increase their numbers or even effectually replace themselves, while less desirable elements of society are reproducing without restraint and may eventually inherit the earth unless an intelligent program of restriction is inaugurated." Bold signature of Sellers on half-title page. Ownership signature of Lincoln/Civil War scholar Arnold F. Gates (1914-93). Unusual.