( 480 ) 



Smithsonian Lulllution , at Washington. — Miscellaneous 



collections, vol. X- Washington, 1873; vol. in-8\ 



IJ, S. IVaval Observatory y Washifigfon. ^— Meridian Circle ; 

 Observations for 1871, Appendix I, Washington, 1875; vol. 



in-4°, 



U. 5. Geological Survey of the Territories y Washington. 

 Acrididae of North America, by Cyrus Thomas- WashingtoUj 

 1873 i vol. in-4*^; — Contrilwtions to the extinct vertebrate 

 fauna of the western territories; by Joseph Leidy. Washing- 

 ton, 1873; vol. in-4°; — First, second, third and sixth annual 

 Reports for the years 18G7; 18C8and 1869. Washington, 1875;. 

 2voL iu-8"; — Miscellaneous publications, n^' \ and 2. Washing- 

 ton, 1873; 2 cab. in-8°. 



War Department J Office of the chief signal Officer ^ at 

 Washington. — Annual Report, 1872. Washington, 1873; 

 vol. in^8^ 



The american Journal of science and arts. — N^* 37, 58 

 and 39, vol. II. Nevv-IIaven, 1874; 5 cah. in-8^ 



The Penn Monthly. — Vol. V, n*^' 31 and o2, march and 

 april 1874. Philadepliie; 2 cah. in-8^ 



