SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 

 Bulletin 65 



DENDROID GRAPTOLITES OF THE 



NIAGARAN DOLOMITES AT 



HAMILTON, ONTARIO 



Compiled by 



RAY S. BASSLER 



Curator, Division of Invertebrate Paleontology 

 U. S. A'ational Dluseuni 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1909 



