26 



A List of 



XXIV. A History of the Growth of 

 THE Steam Engine. By Professor 

 R. H. Thurston. With numerous 

 Illustrations. Fourth Edition. Crown 

 8vo. 5^. 



XXV. Education as a Science. By 

 Alexander Bain, LL.D. Sixth 

 Edition. Crown 8vo. 5^. 



XXVI. The Human Species. By Brof. 

 A. De Quatrefages. Fourth Edition. 

 Crown 8vo. 5^. 



XXVII. Modern Chromatics. With 

 Applications to Art and Industry. By 

 Ogden N. Rood. With 130 original 

 Illustrations. Second Edition. Crown 

 8vo. 5^. 



XXVIII. The Crayfish : an Introduc- 

 tion to the Study of Zoology. By 

 Professor T. H. Huxley. With 82 

 Illustrations. Fourth Edition. Crown 

 8vo. 5^. 



XXIX. The Brain as an Organ of 

 Mind. By H. Charlton Bastian, 

 M.D. With numerous Illustrations. 

 Third Edition. Crown 8vo. ^s. 



XXX. The Atomic Theory. By Prof. 

 Wurtz. Translated by G. Clemin- 

 shaw, F.C.S. Fifth Edition. Crown 

 8vo. 5J-. 



XXXI. The Natural Conditions of 

 Existence as they affect Animal 

 Life. By Karl Semper. With 2 Maps 

 and 106 Woodcuts. Third Edition, 

 Crown 8vo. 5^. 



XXXII. General Physiology of 

 Muscles and Nerves. By Prof. J. 

 Rosenthal. Third Edition. With 

 Illustrations. Crown 8vo. ^s. 



XXXIII. Sight : an Exposition of the 

 Principles of Monocular and Binocular 

 Vision. By Joseph Le Conte, LL.D. 

 Second Edition. With 132 Illustra- 

 tions. Crown 8vo. 5^. 



XXXIV. Illusions : a Psychological 

 Study. By James Sully. Third 

 Edition. Crown 8vo. 55. 



XXXV. Volcanoes : what they are 

 and what they teach. By 

 Professor J. W. Judd, F.R.S. With 

 92 Illustrations on Wood. Fourth 

 Edition. Crown 8vo. 5^. 



XXXVI. Suicide : an Essay on Com- 

 parative Moral Statistics. By Prof. 

 H. Morselli. Second Edition. With 

 Diagrams. Crown 8vo. ^s. 



XXXVII. The Brain and its Func- 

 tions. ByJ. Luys. Second Edition. 

 With Illustrations. Crown 8vo. 5j. 



XXXVIII. Myth and Science : an 

 Essay. By Tito Vignoli. Third 

 Edition. Crown 8vo. 5^. 



XXXIX. The Sun. By Professor Young. 

 With Illustrations. Third Edition. 

 Crown 8vo. 55. 



XL. Ants, Bees, and Wasps : a Record 

 of Observations on the Habits of the 

 Social Hymenoptera. By Sir John 

 Lubbock, Bart., M.P. With 5 Chromo- 

 lithographic Illustrations. Ninth 

 Edition. Crown 8vo ^s. 



XLI. Animal Intelligence. By G. J. 

 Romanes, LL.D., F.R.S. Fourth 

 Edition. Crown 8vo. <yS. 



XLII. The Concepts and Theories of 

 Modern Physics. By J. B. Stallo. 

 Third Edition. Crown 8vo. 5^. 



XLIII. Diseases of Memory : an Essay 



in the Positive Pyschology. By Prof. 



Th. Ribot. Third Edition. Crown 



8vo. Sj. 

 XLIV. Man before Metals. By N. 



Joly. Fourth Edition. Crown 8vo. 5^. 



XLV. The Science of Politics. By 

 Prof. Sheldon Amos. Third Edit. 

 Crown. 8vo. ^s. 



XLVI. Elementary Meteorology. 

 By Robert H. Scott. Fourth Edition. 

 With numerous Illustrations. Crown 

 8vo. 5^. 



XLVII. The Organs of Speech and 

 their Application in the For 

 mation of Articulate Sounds 

 By Georg Hermann von Meyer. 

 With 47 Woodcuts. Crovm 8vo. 5j-. 



XLVIII. Fallacies : a View of Logic 

 from the Practical Side. By Alfred 

 Sidgwick. Second Edition. Crown 

 8vo. 5J-. 



XLIX. Origin of Cultivated Plants. 

 By Alphonse de Candolle. Second 

 Edition. Crown 8vo. 5^. 



L. Jelly Fish, Star Fish, and Sea 

 Urchins. Being a Re^^earch on 

 Primitive Nervous Systems. By 

 G. J. Romanes. Crown 8vo. 5^. 



LI. The Common Sense of the Exact 

 Sciences. By the late William King- 

 don Clifford. Second Edition. With 

 100 Figures. 5.^. 



