The International Scientific 5erie«— (Continued.) 



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

 Jevons, M.A., F.R. S. !?1.T5. 



IS. THE NATURE OF LIGHT, with a General .\ccount of Physical Opiicf. By 

 Dr. EuGKNE LoMMKL. With 1S8 lUus't rations and a Table of Spectra iu 

 l'hromo-liilio;;raphy. $2.00. 



19. ANIMAL PAR.XSITES AND MESSMATKS. By Monsieur Van Benkuen. 



With 8;i Illustrations. *1.50. 



20. FERMENTATION. By TrofeBSor SchCtzenbekger. With 2s Illustrations. 



j;l.:0. 



21. THE FIVE SENSES OF MAN. By Professcr Eeknstein. With 91 lUus- 



tratioi.8. §1.75. 



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



fcsiror PiETKO Blaserna. With numerous Illustratioiis. %\.hQ. 



23. STUDIES IN SPECTRUM ANALYSIS. By J. Nokman Lockter, F. R. S. 



With 6 Pii((to;;r!iphic Illustrations cf Spectra, and numerous Engravinjrs 

 on Wood. |;2.."0. 



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



fisi^cr R. 11. Thurston. With 163 Illusirations. $2.50. 



25. EDUCATION AS A SJlENCE. By Alexander B/ in, LL.D. $1.75. 



26. STUDENTS' TEXT-BOOK ( F COLOR; Or, Modem Clircmatics. WMth 



.-^'Plications to Art find Industry. By Piolcssor Ogden N. Rood, Colum- 

 bia College. New edition. Witii 130 Illustrations. $2.00. 



27. TH'v HUMAN SPECIES. By Professor A be Quateefages, Membrc de 



1 [n^titut. $2.C0. 



28. THF, CRAYFI-sH: An Introduction to thp Study of ZooloL'y- By T. H. 



HuxLET, F. R.S, W^ith £2 Illustrations, fl.75. 



29. THE ATOMIC THEORY. By Professor A. Wur.Tz. Translated by E. 



Clcniinshaw, F. C. S. $1.50. 



80. ANIMAL LIFE AS AFFECTED BY THE NATURAL CONDITIONS OF 

 EXP^TENCE, By Karl Semper. Wiih 2 Maps and 106 Woodcuts. IIXQ. 



SI. SIGHT: .\n Exposition of ihe Prinriplop of Mcnocnl'ir and Binocular Vition. 

 By Joseph Le Co:jte, LL. D. With 132 Illustrations. ^,1.50. 



82. GENi-RAL I'HYSIOTOGY OF MUSCLES AND NERVES. By Professor 



J. Ropf.NTOAL. With 75 Illustrations, f.1.50. 



83. ILLUSIONS: A Psycho'o^ical Study. P.y James Sullv. $1.50. 



34. THE SUN. By C. A. Youno. Professor of Astronomy in the College of New 

 Jersey. With numerous Illusirations. $2.00. 



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



