8 REPORT OF NATIONAL MUSEUM, 1891. 



Tlif S«M'retaiy of the Sinithsouiaii Institution, to wlioiii is iiitnist+'d 

 the actinil iiiiina^'enient of its affairs, is by law the '' keeper of tlie eol- 

 leetions." 'I'lie scientirie stnif at the present time, as aheady stated, is 

 composed of the Assistant Seci('tai>- of tlie Smithsonian Iiistitntioii in 

 ehari»'e (»f th<' National Mnsenni and tliiity two cnrators and aetin<;' 

 euiatois. t\venty-t\\(t (tf wliom i-eeei\e no salary from the i\Iiis«Mim 

 ai>i>i'o|tiiation. There are also eleven administrative departments. 



I'RiNcii'Ai. s;ni'i{('i;s oi' inj; ('()Li.K("rj(>>js. 



TIm' eolU'ctions of the Museum are made up. in larife |)ai'l, of the fol 

 lowing- materials: 



(1) The natural history and anthropoloiiieal eolleel ions, aceumulated 

 since J.S5() by the elfoi-ts of the ofticers and eorrespon(h'nl s of the 

 Suiithsonian Institution. 



(2) The collecti<m of the Wilkes exploring expedition, tin* Tei'iy ev- 

 ])edition to Ja]>an, and other naval expeditions. 



(,"{) The <'ollections of the scientific ofllicers of the Pacilic Itailroad 

 survey, the Mexican boundary survey, and of the surveys carried on 

 by the Engineer Corps of the Army. 



(4) The collections of the United States geological surveys under the 

 (lirection of the United States geologists, Hayden, King, and Powell. 



(5) The collections of the U. S. Fish Commission. 



(6) The gifts by foreign governments to the Museum, or to the Presi- 

 dent or othei' public ofticers of the United States who are forbidden by 

 law to retain such gifts in their private possession. 



(7) The collections made by the United States to illustrate the ani- 

 mal and mineral resources, the fisheries, and the ethnology of the na- 

 tive races of the country on the occasion of the International l^xhibi- 

 tion at Philadelphia in 1870; the fishery collections displayed by the 

 United States at the Intermitional Fisheries Exhibition at Berlin in 

 1880 and at London in 188.5, aud the collections obtained from various 

 local expositions; as, for instance, the Nevv Orleans Cotton Centennial 

 Exposition, in 18S4 and 1885, and the Cincinnati Exposition, in 1887. 



(8) The collections given by the governments of the several foreign 

 nations, thirty in number, wlii(*h particijiated in the exhibition at 

 Philadelphia in 187(). 



(9) The industrial collections given by numerous manufacturing and 

 commercial houses of Europe and America at the time of the Phila- 

 deli>hia exhibition and subse(jueutly, 



(!(►) The material received, in exchange for duplicate specimens, from 

 the museums in Europe and America at the tune of the Philadelphia 

 exhibition and subsequently, 



(11) Collections leceived as gifts, deposits, or in exchange, from in- 

 dividuals, numbering usually from 1,000 to 1,500 each year. 



