33d Congress, ) HOUSE OF EEPEESENTATIVES. ( Ex. Doc. 



Isi Sessioji. \ I ^o- 121. 



THE 



USX 



/^^- U, S. MVAL ASTRONOMICAL EXPEDITION 



THE SOUTHERN HEMISPHERE, 



THE YEARS 1849-'50-'51-'52. 



Lieut. J. M. GILLISS, Superintendent. 



Lieut. Archibald MacEab, ) 



Acting Master S. L. Phelps, >■ Assistants. 



Captain's Clerk E. E. Smith, ) 



VOLUME II. 



THE ANDES AND PAMPAS By Lieut. Archibald MacRae. 



MINERALS ----------- J. Lawrence Smith. 



INDIAN REMAINS - - - :.>•-'"'- - - - Thomas Ewbank. 



MAMMALS '. •^. '- - - . Spencer F. Baird. 



BIRDS Jon>f Cassin. 



REPTILES, FISHES, AND CRUSTACEA - Charles Gibaed. 



SHELLS A. A. Gould. 



DRIED PLANTS -><^ - z.,,;.^^ Asa Ghat. 



LIVING PLANTS AND SEEDS - - - - William D. Brackenridge. 



FOSSIL MAMMALS Jeffries "Wyman. 



FOSSIL SHELLS T. A. Conrad. 



WASHINGTON: 



A. 0. P. NICHOLSON, PRINTER. 

 MDCCCLV. 



