New York, D. Appleton and Company, 1874. 8vo. Volume V of "Popular Science Monthly", bound in a contemporary black half cloth binding with gilt lettered title to spine. Library stamp to title-pages. (2), 514-774, (4), 384 pp. Minor wear to extremities, internally fine and clean.
First printing of four papers by two of the most influential evolutionists from the Darwinian-era: Thomas Henry Huxley, known as Darwin's bulldog and Herbert Spencer, the man who coined the concept "survival of the fittest".