Kegan Paul, Trench, Triibner, & Co., Ltd. 



XVI. The LIFE and GEOWTH of LANGUAGE. By William 

 Dwkiiit Wiutnky. Sixth Edition. 



XVII. MONEY and the MECHANISM, of EXCHANGE. By 

 W. Stani.ky Jkvonh, M.A., F.R.S. Eleventh Edition. 



XVIII. The NATURE of LIGHT, with a General Account of 

 PHYSICAL OPTICS. By Dr. Euokne Lomkkl. With 188 Dlue- 

 trations and a Table of Spectra in Chromo-lithography. Sixth Edition. 



XIX. ANIMAL PARASITES and MESSMATES. By Monsieur 

 Van Bknkdkn. With 83 Illustrations. Fourth Edition. 



X 



XX. FERMENTATION. By Professor Schutzknbkrqbr. With 

 28 Illustrations. Fourth Edition. 



XXI. The FIVE SENSES of MAN. By Professor Bernstein 

 With 91 Illustrations. Seventh Edition. 



XXII. The THEORY of SOUND in its RELATION to MUSIC, 



By Professor Pietro Blaskkna. With numerous Illustrations. Sixth 

 Edition. 



XXIII. STUDIES in SPECTRUM ANALYSIS. By J. Norman 

 Loceyer, F.R.S. With Six Photographic Illustrations of Spectra, and 

 numerous Engravings on Wood Fifth Edition. 6*. 6d. 



XXIV. A HISTORY of the GROWTH of the STEAM ENGINE. 



By Professor R. H. Thurston. With numerous Illustrations. Fifth 

 Edition. 



XXV. EDUCATION as a SCIENCE. By Alexander Bain, LL.D. 

 Ninth Edition. 



XXVI. The HUMAN SPECIES. By Professor A. db Quatkefacies, 

 Metnbre de 1'Institut. Fifth Edition. 



XXVII. MODERN CHROMATICS. With Application to Art and 

 Industry. By Ogden N. Rood. Third Edition. With 130 original 

 Illustrations. 



XXVIII. The CRAYFISH : an Introduction to the Study of Zoology. 

 By T. H. Huxlky, F.R.S, Sixth Edition. With 82 Illustrations. 



XXIX. The BRAIN as an ORGAN of MIND. By H. Charlton 

 Bastian, M.D. Fourth Edition. With 184 Illustrations. 



XXX. The ATOMIC THEORY. By Professor A. Wurtz. Trans- 

 lated by E. Cleminshaw, F.C.S. Seventh Edition. 



XXXI. The NATURAL CONDITIONS of EXISTENCE as 

 they affect Animal Life. By Karl Skmper. Fifth Edition. 

 With 2 Maps and 106 Woodcuts. 



XXXII. GENERAL PHYSIOLOGYof MUSCLES and NERVE8. 



By Prof. J. Rosenthal. Fourth Edition. With 75 Illustrations. 



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



Binocular Vision. By Joseph Le Conte, LL.D. Third Edition. With 

 132 Illustrations. 



^ XXXIV. ILLUSIONS: a Psychological Study. By Jamks Sully 

 Fourth Edition. 



3 



