712 



THE POPULAR SCIENCE MONTHLY. 



Students' Songs. Compiled and edited by W. 

 N. Hills. Cambridge, Mass. : Moses King. Pp.60. 

 50 cents. 



Tornado Studies for 1884. By John P. Finley. 

 (Signal-Service Paper.) Washington: Government 

 Prioting-Office. Text and Plates. 



Catalogue of Scientific and Technical Periodicals. 

 1666 to 1852. By H. Carrington Bolton. Washing- 

 ton : Smithsonian Institution. Pp. 778. 



Theory and Practice of Teaching. By Rev. 

 Edward Thring, M. A. New and revised edition. 

 Cambridge: University Press. 1885. Pp.262. $1. 



The Manual of Phonography. By Benn Pitman 

 and Jerome B. Howard. Cincinnati : Phonographic 

 Institute. 1885. Pp. 144. 



The Devil's Portrait. By Anton Giulio Barrili. 

 From the Italian. By Evelyn Wodehouse. New 

 York: W. 8. Gottsberger. l8o. Pp.312. 75eents. 



On Teaching : Its Ends and Means. By Henry 

 Calderwood, LL. D., F. K. 8. E. Third edition. 

 New York : Macmillan & Co. 1885. Pp. 126. 50 

 eents. 



The Treatment of Opium Addiction. By J. B. 

 Mattison, M. D. New York : G. P. Putnam's Sons. 

 1SS5. Pp. 49. 50 cents. 



Cholera. Its Origin, History, Causation, Symp- 

 toms, Lesions, Prevention, and Treatment. By Al- 

 fred Stille, M. D. Philadelphia : Lea, Brothers & 

 Co. 1885. Pp. 164. 



Magneto- and Dyamo-EIectric Machines. From 



the German of G laser De Cew. By V. Krohn; and 



^specially edited, with many Additions, by Paget 



Higgs, LL. D. London : Symons & Co. 1884. New 



York : D. Van Nostrand. Pp.301. 



The Windmill as a Prime Mover. By Alfred R. 

 Wolff, M. E. New York : John Wiley & Sons. 

 1885. Pp. 159. $3. 



Life of Frank Buckland. By George C. Bom- 

 pas. With a Portrait. London : Smith, Elder & Co. 

 Philadelphia : J. B. Lippincott Company. 18s5. Pp. 

 433. $2. 



Annual Report of the Operations of the Life- 

 Saving Service for the Fiscal Year ending June 30, 



1884. Washington: Government Printing - Office. 



1885. Pp.476. 



Proceedings of the United States National Mu- 

 seum. Vol. VII. 1S84. Washington : Government 

 Printing-Office. 1885. Pp. 661. 



Silver -Lead Deposits of Eureka. Nevada. By 

 Joseph Story Curtis. (Monographs of the U. S. Geo- 

 logical Survey. Vol. VII.) Washington : Govern- 

 ment Printing - Office. 1885. Pp. 200. 16 Plates. 

 $1.10. 



POPULAR MISCELLANY. 



I nil ust rial Education in Common Schools. 



Mr. B. B. Huntoon recently read a paper 

 before the " Conversation Club " of Louis- 

 ville, Kentucky, on " Industrial Education," 

 in which he advocated the introduction of 

 the Russian system into the public schools. 

 This system does not aim to teach the prac- 

 tical exercise of particular arts, but only so 

 to train the eye and hand to the execution 

 of designs and the use of tools that the pu- 

 pil may be qualified to take up readily what- 

 ever art he may afterward choose to fol- 

 low. The system, in its most essential feat- 

 ures, has already been tried successfully in 

 the Massachusetts Institute of Technology ; 



Washington University, at St. Louis ; Pur- 

 due University ; Illinois University ; Tulane 

 University, New Orleans ; and in industrial 

 schools in Chicago, Baltimore, Philadelphia, 

 and New York city ; and in Boston and Glou- 

 cester, Massachusetts, and Montclair, New 

 Jersey, the experiment has been tried of in- 

 corporating a course of industrial training 

 upon the city schools. Mr. Huntoon be- 

 lieves that the people are ready to be taxed 

 for such a purpose ; that there will be no 

 difficulty in finding teachers ; and that the 

 scheme is entirely practicable. 



The Pittsburg. Natural Gas-Wells. Ac- 

 cording to the account recently given by Mr. 

 Andrew Carnegie to the Iron and Steel Insti- 

 tute, the principal district in which the natu- 

 ral gas-wells near Pittsburg are found, the 

 Murraysville field, lies to the northeast of 

 that city, running southward from it toward 

 the Pennsylvania Railroad. Nine wells had 

 been sunk there last fall, and were yielding 

 gas in large quantities. Gas has been found 

 in a belt averaging about half a mile in 

 width for a distance of between four and 

 five miles. Beyond this a point is reached 

 where salt-water flows into the wells and 

 drowns the gas. The gas-fields of Wash- 

 ington County are about twenty miles from 

 the city, swinging round toward the south- 

 west. Four wells are now yielding gas in 

 this district, but are not, perhaps, so strong- 

 ly charged as those of the Murraysville dis- 

 trict, and others are being drilled. Still 

 farther to the west is another gas territory, 

 from which manufacturing works in Beaver 

 Falls and Rochester receive their supply. 

 Next is the Butler gas-field, as far from 

 Pittsburg on the northwest as are the Wash- 

 ington County wells on the southwest. Next, 

 on the Allegheny River, is the Tarentum 

 district, still about twenty miles from Pitts- 

 burg, which is supplying a considerable por- 

 tion of the gas used. Thus, within a circle 

 around Pittsburg having a radius of fifteen 

 or twenty miles, there are four distinct gas- 

 producing districts. Several wells have been 

 bored within the city ; but, though they all 

 yielded gas, it has been drowned out by the 

 rush of salt-water. While the largest well 

 known yields about 30,000,000 cubic feet 

 of gas in twenty-four hours, the average 

 product of a good well may be set at about 



