A List of 



XXXiV. Illusions : a Psychological Study. By James Sully. Third 

 Edition. 5^, 



XXXV. Volcanoes : what they are and what they teach. 

 By Professor J. W. Judd, F.R.S. With 92 Illustrations on 

 Wood. Third Edition. 5^. 



XXXVI. Suicide : an Essay on Comparative Moral Statistics. By Prof. 

 H. Morselli. Second Edition. With Diagrams. 5^. 



XXXVII. The Brain and its Functions. By J. Luys. With 

 Illustrations. Second Edition. 5^-. 



XXXVIII. Myth and Science : an Essay. By Tito Vignoli. Third 

 Edition. 5^. 



XXXIX. The Sun. By Professor Young. With Illustrations. Second 

 Edition, 5^. 



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. Eighth Edition. 



XLI. Animal Intelligence. By G. J. Romanes, LL.D., F.R.S. 



Fourth Edition. 5^-. 



XLII. The Concepts and Theories of Modern Physics. By 

 J. B. Stallo. Third Edition. 5^. 



XLIII. Diseases of the Memory ", An Essay in the Positive Psycho- 

 logy. By Prof. Th. Ribot. Third Edition. 5^. 



XLIV. Man before Metals. By N. Joly, with 148 Illustrations. 

 Fourth Edition. 5^-. 



XLV. The Science of Politics. By Prof. Sheldon Amos. Third 

 Edition. 5^-. 



XLVI. Elementary Meteorology. By Robert II. Scott. Fourth 

 Edition. With Numerous Illustrations. 5^-. 



XLVII. The Organs of Speech and their Application in the 

 Formation of Articulate Sounds. By Georg Hermann 

 Von Meyer. With 47 Woodcuts, ^s. 



XLVIII. Fallacies. A View of Logic from the Practical Side. By 

 Alfred Sidgwick. Second Edition. 5^. 



XLIX. Origin of Cultivated Plants. By Alphonse de Candolle. 



L. Jelly-Fish, Star-Fish, and Sea-Urchins. Being a Research 

 on Primitive, Nervous Systems. By G. J. Romanes. With 

 Illustrations. 5^-. 



LI. The Common Sense of the Exact Sciences. By the late 

 William Kingdon Cliftbrd. Second Edition. With lOO Figures. 

 5^- 



