32 A List of 



XXV. Education as a Science. By Alexander Bain, LL.D. Fourth 



Edition. Crown 8vo, 55. 



XXVI. The Human Species. By Professor A. de Quatrefages. Third 



Edition. Crown 8vo, 5-f. 



XXVII. Modern Chromatics. With Applications to Art and In- 

 dustry. By Ogden N. Rood. With 130 original Illustrations. 

 Second Edition. Crown Svo, 5.?. 



XXVIII. The Crayfish : an Introduction to the Study of Zoology. By 

 Professor T. H. Huxley. With 82 Illustrations. Fourth Edition. 

 Crown Svo, 5.?. 



XXIX. The Brain as an Organ of Mind. By H. Charlton Bastian, 

 M.D. With numerous Illustrations. Third Edition. Crown 

 Svo, 5J. 



XXX. The Atomic Theory. By Prof. Wurtz. Translated by G. 



Cleminshaw, F.C.S. Third Edition. Crown Svo, 5*. 



XXXI. The Natural Conditions of Existence as they affect 

 Animal Life. By Karl Semper. With 2 Maps and 106 

 Woodcuts. Third Edition. Crown Svo, $s. 



XXXII. General Physiology of Muscles and Nerves. By Prof. 

 J. Rosenthal. Third Edition. With Illustrations. Crown Svo, 

 5*- 



XXXIII. Sight : an Exposition of the Principles of Monocular and 

 Binocular Vision. By Joseph le Conte, LL.D. Second Edition. 

 With 132 Illustrations. Crown Svo, 5*. 



XXXIV. Illusions : a Psychological Study. By James Sully. Second 

 Edition. Crown Svo, 5-r. 



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

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

 Wood. Third Edition. Crown Svo, 5-r. 



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

 H. Morselli. Second Edition. With Diagrams. Crown Svo, $s. 



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

 Illustrations. Second Edition. Crown Svo, $s. 



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

 Edition. Crown Svo, 5-r. 



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

 Edition. Crown Svo, 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. Seventh Edition. 

 Crown Svo, 5*. 



