2 The International Scientific Series. (Continued.) 



15. FUNGI: Their Nature, Influences, Uses, etc. By M. C. COOKE, M. A., 



LL. D. Edited by the Kev. M. J. Berkeley, M. A., F. L. S. With 

 109 Illustrations. $1.50. 



16. THE LIFE AND GKOWTII OF LANGUAGE. By Professor 



WILLIAM DWIGHT WHITNEY, of Yale College. $1.50. 



17. MONEY AND THE MECHANISM OF EXCHANGE. By W. 



STANLEY JEVONS, M. A., F. K. S. $1.75. 



18. THE NATURE OF LIGHT, with a General Account of Physical 



Optics. By Dr. EUGENE LOMMEL. With 188 Illustrations and a 

 Table of Spectra in Chromo-lithography. $2.00. 



19. ANIMAL PARASITES AND MESSMATES. By Monsieur VAN 



BENEDEN. With 83 Illustrations. $1.50. 



20. FERMENTATION. By Professor SCHUTZENBERGER. With 28 Illus- 



trations. $1.50. 



21. THE FIVE SENSES OF MAN. By Professor BERNSTEIN. With 91 



Illustrations. $1.75. 



22. THE THEORY OF SOUND IN ITS RELATION TO MUSIC. By 



Professor PIETKO BLASERNA. With numerous Illustrations. $1.50. 



23. STUDIES IN SPECTRUM ANALYSIS. By J. NORMAN LOCKYER, 



F. R. S. With 6 Photographic Illustrations of Spectra, and numer- 

 ous Engravings on Wood. $2.50. 



24. A HISTORY OF THE GROWTH OF THE STEAM-ENGINE. 



By Professor R. H. THURSTON. With 163 Illustrations. $2.50. 



25. EDUCATION AS A SCIENCE. By ALEXANDER BAIN, LL.D. 



$1.75. 



26. STUDENTS' TEXT-BOOK OF COLOR; Or, Modern Chromatics. 



With Applications to Art and Industry. By Professor OGDEN N. 

 ROOD, Columbia College. New edition. With 130 Illustrations. 

 $2.00. 



27. THE HUMAN SPECIES. By Professor A. DE QUATREFAGES, Mem- 



bre de 1'Institut. $2.00. 



28. THE CRAYFISH : An Introduction to the Study of Zoology. By T. 



H. HUXLEY, F. R. S. With 82 Illustrations. $1.75. 



29. THE ATOMIC THEORY. By Professor A. WURTZ. Translated by 



E. Cleminshaw, F. C. S. $1.50. 



New York: D. APPLETON & CO., 1, 3, & 5 Bond Street 



