The International Scientific Series continued. 



XVI. The LIFE and GROWTH of LANGUAGE. By WILLIAM 



DWKIHT WHITNEY. Sixth Edition. 



XVII. MONEY and the MECHANISM of EXCHANGE. By 



W. STANLEY JKVONS, M.A., F.R.S. Ni nth Edition. 



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

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XIX. ANIMAL PARASITES and MESSMATES. By Monsieur 

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XX. FERMENTATION. By Professor SCHUTZENBERGER. With 

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XXI. The FIVE SENSES of MAN. By Professor BERNSTEIN. 

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



By Professor PIETHO BLASERNA. With numerous Illustrations. Fifth 

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XXIII. STUDIES in SPECTRUM ANALYSIS. By J. NOBMAN 



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

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



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XXV. EDUCATION as a SCIENCE. By ALEXANDER BAIN, LL.D. 

 Eighth Edition. 



XXVI. The HUMAN SPECIES. By Professor A. DE QUATHEFAQES, 



Merubre de 1'Institut. Fifth Edition. 



XXVII. MODERN CHROMATICS. With Application to Art and 

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

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



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



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

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XXXI. The NATURAL CONDITIONS of EXISTENCE as 

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XXXII. GENERAL PHYSIOLOGYof MUSCLES and NERVES. 



By Prof. J. ROSENTHAL. Third Edition. With 75 Illustrations. 



London : KEG AN PAUL, TRENCH, TRIJBNER, & CO., LTD. 



