A STANDARD EVOLUTION LIBRARY. 



flinchincr Darwinian. His contributions to the discussion are varied and 

 valuable" and as collected in the present volume thev wUl be seen to estab- 

 lish a claim upon the thinking world, which will be extensively felt and 

 cordially acknowledged. These papers not only illustrate the history of 

 the controversy, and the progress of the discussion, but they form perhaps 

 the fullest and most trustworthv exposition of what is to be properly under- 

 stood by 'Darwinism' that is "to be found in our language. To all those 

 timid souls who are worried about the progress of science, and the danger 

 that it will subvert the foundations of thefr faith, we recommend the dis- 

 passionate perusal of this voliune."— TAe Popular Science Monthly. 



VI. 

 Heredity : A Psychological Study of its Phenomena, Laws, Causes, and 



Consequences. From the French of Tn. Ribot. 12mo. Cloth, $2.00. 



" Heredity is that biological law by which all beings endowed with life 

 tend to repeat themselves in their descendants ; it is for the species what 

 personal iclcntity is for the individual. The physiological side of this subject 

 has been diligentlv studied, but not so its psychological side. We propose 

 to supply this deficiency in the present work."— /ron^ the Introduction. 



VII. 

 Hereditary Geniws: An Inquiry into its Laws and Consequences. 



By Francis Galton, F. R. S., etc. New and revised edition, with an 



American Preface. 12mo. Cloth, $2.00. 

 " The following pages embody the result of the first vigorous and me- 

 thodical effort to treat the question in the true scientific spirit, and place 

 it upon the proper inductive basis. Mr. Galton proves, by overwhelming 

 evidence, that genius, talent, or whatever we term great mental capacity, 

 follows the law of organic transmission— runs in families, and is an afifair of 

 blood and breed ; and that a sphere of phenomena hitherto deemed capri- 

 cious and defiant of rule is, nevertheless, within the operation of ascertam- 

 ablc law."— i^^'om the American Preface. 



VIII. 

 The Eyolntion of Man. A Popular Exposition of the Principal 

 Points of Human Ontogeny and Phylogeny. From the German of 

 Ernst Haeckel, Professor in the University of Jena, With numer- 

 ous Hlustrations. 2 vols., 12mo. Cloth, $6.00. 



"In this excellent translation of Professor Ilaeckel's work, the English 

 reader lias access to the latest doctrines of the Continental school of evolu- 

 tion, in its application to the history of man." 



IX. 

 The History of Creation ; or, the Development of the Earth' and its 

 Inhabitants by the Action of Natural Causes. A Popular Exposition 

 of the Doctrine of Evolution in General, and of that of Darwin, Goe- 

 the, and Lamarck in Particular. Dy Ernst IIakckkl, Professor in 

 the University of Jena. Tlic translation revised by Professor E. Ray 

 Lankeptkr. Illustrated with Lithographic Plates. 2 vols., 12mo. 

 Cloth, $5.00. 



" The book has been translated into several languages. I hope that it 

 may also find sympathy in tlie fatheriand of Darwin, tlie more so since it 

 contains speeiarniorpliological evidence in favor of many of the most impor- 

 tMit doctrmr-K with wliioli this greatest naturalist of our century has enriched 

 ocicuce." — From, the IWifacc. 



