Vol. 2. 1 Whole Number 56.- JULY 23d, 1881. 



I Price 10 Cents. 



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



New York Herald, June 29, t88o: 



" Science — A Weekly Record of Scientific Progress." It is a handsome, well-printed quarto sheet ol 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, of the 

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

 Hammond and Spitzka. of New York, and a considerable number of well-known scientific experts. IT CLAIMS, WITH TRUTH TO OCCUPY \ 

 " ™ ERTO UNOCCUPIED FIELD IN AMERICAN PERIODICAL LITERATURE, AS THE ONLY FIRST-CLASS WEEKLY TOURNAL 

 IN THE UNITED STATES DEVOTED TO SCIENCE. J 



