ADVERTISEMENT. 



This work (Bulletin No. 5:^) is one of a series of papers intended t( 

 illustrate^ the collections l)elong'ino- to oi* placed under the charge o 

 the Smithsonian Institution and deposited in the United States Nationa 

 Museum. 



The i)ul)lications of the National ^SFuseum consist of two series — th( 

 Balhtin and the l^roctcdbu/K. 



The Bulletin., publication of which was conuuenced in 1875, is f 

 series of elaborate papers issued separately and based for the mosi 

 part upon collections in the National ]\Iuseum. They are monographic 

 in scope and are devoted principally to the discussion of large zoolog- 

 ical g'l'oups, bibliographies of eminent naturalists, reports of expedi 

 tions. etc. The bulletins, issued only as voluiues with one exception, 

 are of octavo size, although a quarto form, known as the Special Rul 

 letin, has l)een adopted in a few instances in which a larger pag'e wa? 

 deemed indispensable. 



The Proceedings (octavo), the first volume of which was issued ir 

 1878, are intended primarily as a medium of pal)lication for newl\ 

 acijuired facts in biology, anthropology, and geology, descriptions oj 

 new forms of animals and plants, discussions of nomenclature, etc. 

 A voliuue of about l.dOO pages is issued annually for distribution t( 

 lil)raries, while a limited edition of each paper in the volume is printed 

 and distri))uted in pauiphlet foi'ui in advance. 



In addition, there are printed each ycnir in the second volume of the 

 Smithsonian Report (known as the Ki^port of the U. S. National 

 Museum) papers, chiefly of an ethnological character. descril)ing col- 

 lections in the National ^Museum. 



Papers intended for publication by the National Muscnmiaie usually 



referred to an advisor}' committee, composed as follows: Frederick 



W. True (chairman), William II. Holmes. George P. Merrill. Jame.- 



K. Benedict, Otis T. Mason. Leonhard Stejneger. Lester F. Ward, and 



Marcus Beniamiiv (editor). 



S. 1*. Langley, 



Secretary oft/ir Shiifhsovian Listitution . 

 Washinoton. r. S. A.. Decciiihtr /, 1902. 



