i6 



A List of 



International Scientific 

 Series (The) — continued, 



XVI. The Life and Growth of 

 Language. By William Dwight 

 Whitney, Professor of Sanskrit and 

 Comparative Philology in Yale 6ol- 

 lege. New Haven. Second Edition. 

 Crown 8vo. Cloth, price 



XVII. Money and the Mecha- 

 nism of Exchange. By W. Stan- 

 ley Jevons, M.A., F.R.S. Third 

 Edition. Crown 8vo. Cloth, price s*. 



XVIII. The Nature of Light : 

 With a General Account of Physical 

 Optics. By Dr. Eugene Lommel, 

 Professor of Physics in the Univer- 

 sity of Erlangen. With i88 Illustra- 

 tions and a table of Spectra in Chro- 

 mo-lithography. Second Edition. 

 Crowu 8vo. Cloth, price ss, 



XIX. Animal Parasites and 

 Messmates. By Monsieur Van 

 Beneden, Professor of the University 

 of Louvain, Correspondent of the 

 Institute of France. With 83 Illus- 

 trations. Second Edition. Crown 

 8vo. Cloth, price 5^. 



XX. Fermentation. By Professor 



Schutzenberger, Director of the 

 Chemical Laboratory at the Sor- 

 bonne. With 28 Illustrations. Second 

 Edition. Crown 8vo. Cloth, price 5*. 



XXI. The Five 'Senses of Man. 

 By Professor Bernstein, of the Uni- 

 versity of Halle. With gi Illustra- 

 tions. Second Edition. Crown Bvo. 

 Cloth, price 5J. 



XXII. The Theory of Sound in 

 its Relation to Music. By Pro- 

 fessor Pietro Blaserna, of the Royal 

 University of Rome. With numerous 

 Illustrations. Second Edition. Crown 

 Bvo. Cloth, price 5^. 



XXIII. Studies in Spectrum 

 Analysis. By J. Norman Lockyer. 

 F.R.S. With six photographic Il- 

 lustrations of Spectra, and numerous 

 engravings on wood. Crown 8vo. 

 Second Edition. Cloth, price 6s. 6d. 



Forthcoming Volumes. 



Prof. W. KiNGDON Clifford, M.A. 

 The First Principles of the Exact 

 Sciences explained to the Non-ma- 

 thematical. 



International Scientific 

 Series (The). 



Forthcoming Vols, — continued. 



W. B. Carpenteh, LL.D., F.R.S, 

 The Physical Geography of the Sea, 



Sir John Lubbock, Bart., F.R.S. 

 On Ants and Bees. 



Prof. W. T.Thiselton Dyer, B.A.^ 

 B.Sc. Form and Habit in Flowering 

 Plants. 



Prof. Michael Foster, M.D. Pro- 

 toplasm and the Cell Theory. 



H. Charlton Bastian, M.D., 

 F.R.S. The Brain as an Organ of 

 Mind. 



Prof. A. C. Ramsay, LL.D., F.R.S. 

 Earth Sculpture : Hills, Valleys, 

 Mountains, Plains, Rivers, Lakes ; 

 how they were Produced, and how 

 they have been Destroyed. 



P. Bert (Professor of Physiology, 

 Paris). Forms of Life and other 

 Cosmical Conditions. 



Prof. T. H. Huxley. The Crayfish : 

 an Introduction to the Study of 

 Zoology. 



The Rev. A Secchi, D.J., late 

 Director of the Observatory at Rome, 

 The Stars. 



Prof. J. Rosenthal, of the Univer- 

 sity of Erlangen. General Physiology 

 of Muscles and Nerves. 



Prof. A. de Quatrefages, Membre 

 de rinstitut. The Human Race. 



Prof. Thurston. The Steani En- 

 gine. With numerous Engravings. 



Francis Galton, F.R.S. Psycho- 

 metry. 



J. W. JuDD, F.R.S. The Law,s of 

 Volcanic Action. 



Prof. F. N. Balfour. The Em- 

 bryonic Phases of Animal Life. 



J. LuYS, Physician to the Jlospice 

 de la Salp^tri&re. The Brain and its 

 Functions. With Illustrations, 



Dr. Carl Semper. Animals and 

 their Conditions of Existence. 



Prof. WuRTZ. Atoms and the 

 Atomic Theory. 



