ADVERTISEMENT 



This work (Bulletin No. 40) is one of a series o* papers intended to 

 i J , , e he collections belonging to the United States «*"»*** 

 ,!'. the National Museum, of whirl, the Smithy, Institution was 

 nlaced in charge by the act of Congress of August 10, 1810. 

 •"' !, „b,icat!ons y of the National Museum consist of <?o«n«££ 

 Bulletin, of which this is No. 40, i„ continuous series, and th P ™cecd 

 („.,. of which the fifteenth volume is now in press. A small edition 

 t,el paper in the Proceedings is distributed in pamphlet form to 

 Leialiste n advance of the publication of the bound volume 

 'Tin Bulletin of the National Museum, the publication of which was 

 commenced in 1875, consists of elaborate papers bused upon the collec- 

 of he Museum, reports of expeditions, etc., while the Proceedings 

 It odd to faeilitltekprompt publication of freshly acquired acts 

 relating to biology, anthropology, and geology, descriptions of restricted 

 iCp of aniinars and plants, the discussion of particular questions rela- 

 tive^ the synonymy of species, and the diaries of minor expeditions 

 Other papers, of more general popular interest, are printed m the 

 Appendix to the Annual Report. «„.,.„,. 



Ml lists of the publications of the Museum maybe found in the cur- 

 rent catalogues of the publications of the Smithsonian I^titutoon 



Papers intended for publication in the Proceedings and Bullet nt 

 the National Museum arc referred to the Committee on Publications, 

 composed as follows: T. H. Bean (chairman), A. Howard Clark, B. K 

 ,",;!,', Otis T. Mason. John Murdoch, Leonhard Stepieger, Frederick 

 W. True, and Lester P. Ward. ^ p ^^ 



Secretary of the Smithsonian Institution. 

 Washington, 1). 0., June 13, 1802. 



