25 



PROF. HENRY G-. HANKS, State Mineralogist of California. 



" Biennial Report of the State Mineralogist of the State of 



Nevada, 1873 and 1874." 

 " Catalogue of the Minerals, Ores, Rocks and Fossils in the Pacific 



Coast Exhibit of the Paris Exposition of 1878." 



EXCHANGES 



Received from the SMITHSONIAN INSTITUTION, Washington, D. C. 



103 Species — 107 Specimens of Fishes collected by the U. S. Fish 



Commission along the Coast and Rivers of the Pacific States, in 



exchange for the first series of the duplicates of the James Hall 



Collection of Fossils. 

 Also, in exchaoge for birds, 46 Species — 49 Specimens of Birds. 



selected from duplicates of the Smithsonian Collection. 



