Vol.2.1 Whole Number 57. JULY 30th, 1881. 



[Price 10 Cents. 



Published at "Tribune" Building (Room (7), New York. 



New York Herald, June 29, 1880: 



" Science— A Weekly Record of Scientific Progress." It is a handsome, well-printed quarto sheet ot 12 pages, with 4 addditional pages for 

 advertisements serving as a cover. It counts among its list of contributors Professors Baird and Coues, of the Smithsonian Institution ; Holden, ot me 

 Naval Observatoiy, Washington ; Marsh, of Yale; Wilder, of Cornell ; Young, of Princeton ; Abbe, of the Signal ^Office ^ Morse ^of ; ^rs. 



Hammond and Spitzka, of New York, and a considerable number of well-known scientific experts. IT CLAIMS, WITH TRU i. H 1 O ULL u_ rx a 

 HITHERTO UNOCCUPIED FIELD IN AMERICAN PERIODICAL LITERATURE, AS THE ONLY FIRST-CLASS WEEKLY JOURNAL 

 IN THE UNITED STATES DEVOTED TO SCIENCE. 



