ADVERTISEMENT 



X 



The publications of the Museum of Zoology, University of 

 Michigan, consist of two series — the Occasional Papers and the 

 Miscellaneous Publications. Both series were founded by Dr. 

 Br—^ TTT_„ ^. ^ MiaAv H. Swales and Dr. W. W. 

 ISewenmb. 



al Papers, publication of which was begun 

 i a medium for the publication of brief original 



]>■ principally upon the collections in the Museum. 



T'; are issued separately to libraries and specialists, 



a I '■"" ■ ■ '■ ^.umber of pages haye been printed to 



m. page, table of contents, and index are 



suppliiHl to libraries and individuals on the mailing list for 

 ih -series. 



' •'-'•• ^*nblications include i/.pers on field and 

 Hi .ogi-aphic studies anf"! other papers not 



within the scope ot the Occasional I^apers. The papers are 

 publi lied separately, and, as it is not intended that they shall 

 he grouped into volumes, each number has a title page and 

 lable of contents. / 



Alexandf:k G. Ruth yen, 

 D;rpci;>r of I he Museiim of Zoology, 



University of Michigan. 



