SCIENTIFIC PUBLICATIONS. 



The Human Species. 



By A. De Quatrefages, Professor of Anthropology in the Museum of Natu- 

 ral History, Paris. 12mo. Cloth, $2.00. 



The work treats of the unity, origin, antiquity, and orisinal localization of the 

 human species, peopling of the globe, acclimatization, priruitive man, formation of 

 the human races, fossil human races, present human races, and the physical and 

 psychological characters of mankind. 



Students' Text-book of Color; or, Modem Chromatics. 



With Applications to Art and Industry. With one hundred and thirty 

 Original Illustrations, and Frontispiece in Colors. By Ogden N. Rood, 

 Professor of Physics in Columbia College. 12mo. Cloth, $2.00. 



" In this interesting book Professor Eood, ■who, as a distinguished Professor of 

 Physics in Columbia College, United States, must he accepted as a competent au- 

 thority ou the branch of science of which he treats, deals briefly and succinctly with 

 what may be termed the scientilic rationale of his subject. But the chief value of 

 his work" is to be attributed to the fact that he is himself an accomplished artist as 

 well as an authoritative expounder of science." — Edinburgh Review^ October^ 1879, 

 in an article on " llie Fhilosophy of Color.'''' 



Education as a Science. 



By Alexander Bain, LL.D. 12mo. Cloth, Sl.TS. 



" Tliis work must be pronounced the most remarkable discussion of educational 

 problems which has been published in our day. We do not hesitate to bespeak for 

 it the widest circulation and the most earnest attention. It should be in the hands 

 of every school-teacher and friend of education throughout the land." — Kew York 

 Sun. 



A History of the Growth of the Steam-Engine. 



Bv Robert H. THrnsTOX, A. M., C. E., Professor of Mechanical Engineering 

 in the Stevens Institute of Technology, Hoboken, N. J., etc. With one 

 hundred and sixty -three Illustrations, including fifteen Portraits. 12mo. 

 Cloth, $2.50. 

 " Professor Thurston almost exhausts his subject; details of mechanism are fol- 

 lowed bv interesting biographies of the more important inventors. If. as is con- 

 tended, "the steam-eno-ine is the most important physical agent in civilizing the 

 world, its history is a'desideratum, and the readers of the present work will agree 

 that it could have a no more amusing and intelligent historian than our author." — 

 Boston Gazette. 



Studies in Spectrum Analysis. 



By J. XoRMAN LorKYER, F. R. S., Corespondent of the Institute of France, 



etc. With sixty Illustrations. 12mo. Cloth, $2.50. 

 " The study of spectrum analysis is one fraught with a peculiar fascination, and 

 some of tlie author's experimentsare exceedingly picturesque in their results. They 

 are so lucidly described, too, that the reader keeps on, from page to page, never 

 flagging in interest in the matter before him, nor putting down the booK until the 

 last page is reached." — JS^ew York Evening Express. 



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



