I 



IV 



SCIENCE. 



BRAIN AND 



NERVE FOOD. 



VITALIZED PHOS-PHITES 



Composed of the Vital or Nerve-giving; Principles of the Ox-Brain and Wheat-Germ. 

 IT RESTORES THE ENERGY LOST BY NERVOUSNESS OR INDIGESTION ; RELIEVES LASSITUDE, ERRATIC PAINS ANE 

 NEURALGIA REFRESHES THE NERVES TIRED EY WORRY, EXCITEMENT, OR EXCESSIVE BRAIN FATIGUE j STRENGTH- 

 ENS A FAILING MEMORY, AND GIVES RENEWED VIGOR IN ALL DISEASES OF NERVOUS EXHAUSTION OR DEBILITY 

 IT IS THE ONLY PREVENTIVE OF CONSUMPTION. 



IT GIVES VITALITY TO THE INSUFFICIENT BODILY OR MENTAL GROWTH OF CHILDREN, PREVENTS FRETFULNESS 

 AND GIVES QUIET, REST AND SLEEP. IT GIVES A BETTER DISPOSITION TO INFANTS AND CHILDREN, AS IT PRO 

 MOTES GOOD HEALTH TO BRAIN AND BODY. 



PHYSICIANS HAVE PRESCRIBED 500,000 PACKAGES. For Sale by Druggists or by Mail, %\. 



MESSRS. F. CROSBY & CO., 664 & 666 Sixth Ave., N. Y.— London, 137 A Strand. 



NEW YORK, NEW HAVEN AND HART-! 

 FORD R. R. — Trains leave 42c! St. Depot 

 for Boston, via Springfield, at 5, 8.05, 11 A. M . , 4,; 

 10.30 p. M . ; via New London, 5, 8.05 A. M. ( 1, 10 p. 

 M.; via Hartford and the N. Y- & N. k. R. R., 

 11.35 P. M. Local trains to Springfield, 12 M., 5.10, 

 9.30 p. M.; to Hartford. 3 p. m.; to New Haven, 7.10, 

 9.05 A. M., 3.43, 4.30, 8 p. M.; to South Norwalk, 

 5.45, 6.40 p. M.; to Stamford. 10.05 A. M., 2.20, 4.03, 

 4.45, 5.20, 11.35 p. m.; to Port Chester, 3.10, 6. 14 p. 

 M. Sundays — for New Haven, 6 A, M ; for Boston 

 (via New London) 10 P. M. (via Hartford and 

 Springfield) 10.30 p. m. 



Studies in Astronomy. 



A lecture on the Science, embracing its sublim- 

 ity, history, progress, wonders and utility, together 

 with an explanation of Spectrum Analysis, and 

 a discourse on the Evolution of the Sky, involv- 

 ing the growth and decay of worlds, by Arthur 

 K. Bartlett. Second Edition revised, re-writ- 

 ten and enlarged. Price, 35 cents. Published 

 by the Author, Battle Creek, Michigan. 



IttSTHUCTTON! 



American Journal of Science. 



Founded by Prof. Silliman in 1818. 

 Devoted to Chemistry, Physics, Geology, Physi- 

 cal Geography* Mineralogy, Natural History, 

 Astronomy, and Meteorology. 



Editor*: J as. D. Dana. Edw. S. Din a and B. Silliman. 



Associate Editor i : Professors Asa Gray, J. P. Cooke, Jr., 

 and John Tbowbbidoe, of Cambridge; H. A. Nbwton and 

 A. E. Vebbill, of Yale : and G. F. Babkbb, of the Univer- 

 sity oi Pennsylvania, Phil*. Subscription Price $6 ; 50 Cents 

 a Number. Address the Proprietors. 



James D.& E. S. Dana, New Haven, Conn. 



New York & New England B. B. 



THROUGH TRAINS Via. N.Y., N. H. 4 H. R. R. 



Between Boston and New York. 



FROM GRAND CENTRAL DEPOT. 

 Le»Te New York, 4.00 P.M., with Elegmt Through Car. 

 " " " 11.35 P.M.. week days, with Through New 



Pullman Sleepers. 

 '■ " « 10.30 P.M., Sundays. 



FROM DEPOT, FOOT OF SUMMER ST. 

 Leave Boston, 9.00 A.M., week days, with Through Cars to 

 Grand Central Depot. 

 " " 10.40 P.M., dally, with elee>nt new Pullman 

 Sleepers. 



Mt. Carroll Seminary, 



CARROLL CO., ILLS. 



Incorporated 1852, with its 



MUSICAL CONSERVATOR! 



has Original Ff.atures Peculiar and Valua 

 ble. In Thorough, Practical, Common- 

 Sense work it acknowledges no superior. The 

 Oread, giving particulars sent free. 



TAKE THE BEST. 



The International Review. 



NEW MONTHLY SERIES. 



JOHN T. MORSE, Jr., HENRY CABOT LODGE, Editors. 



Price 50 Cents a month ; $5.00 a year. Specimen copies sent post-paid 

 on receipt of 15 cents. 



AGENTS WANTED who understand the character, scope 

 and value of the Review, to solicit subscriptions. 



A.. S. BARNES & 00., 



in & 113 William Street, New York. 



mid Gold Mining Stock! 



A Company have purchased for $40,000 an undeveloped 

 Gold Mine, and are prepared to part with some reserved shares 

 at $1.00 each, to make up capital to develop mine. 



APPLY TO 



"GOLD MINING STOCK," 



P. O. Box 3230. NEW YORK. 



BEST MEDIUM FOR ADVERTISERS. 



SCIENCE 



Circulates in Every State in the Union, also Canada, Australia, 

 Japan and Europe. 



ALL UNIVERSITIES and COLLEGES. 



Subscribers to " Science " are chiefly among those having few facilities 

 for purchasing goods, and are buyers of Fancy Articles, Household Neces- 

 sities, Jewelry, Musical Instruments, Dry Goods, Books, Prints, Scien- 

 tific Instruments and Apparatus ; Pure Chemical Substances, Mineral 

 Waters, Novelties and Specialties of every kind. 



Terms for A dvertising moderate. Small advertisements on this page 

 $50 a year (52 insertions). 



CHEAP 



est Bookstore 



IN THE WORLD. 



495i873 NEW and OLD BOOKS in every department of literature 



ALMOST GIVEN AWAY. 



New Catalogue Free. Send Stamp. 



LEGGAT BROTHERS, 



81 Chambers Street, "West of City Hall Park, New York. 



PLEASE MENTION " SCIENCE." 



Astronomical 



And LANDSCAPE TELESCOPES 



of our own make, and all the details of construc- 

 tion and careful adjustment of same personally 

 attended 10 by ourselves. 



Send 3-ct. stamp for illustrated catalogue of 

 Telescopes and all Optical Instruments. 



BENJ. PIKE'S SON & CO., 



9'iH Droadway, New York. 



R. & J. BECK, 



Manufacturing Opticians, 



1016 Chestnut St., Philadelphia. 



MICROSCOPES, 



And all Accessories of the Highest Grades at 



the Lowest Pricks. 

 Illustrated Condensed Price List, 23 pages. Free. 

 Full Catalogue of 176 Pages. 15 cts. 

 Mention this Journal. 



Fine Monocular Microscope, 



(FULL SIZED.) 



Recently made for the owner under his special 

 supervision. All the latest improvements have 

 been added to make it a perfect instrument. 

 Price, with apparatus, case, 1 inch and i-sth inch 

 objectives, $80. Address MICROSCOPE, office 

 of " Science." 



