S6(, 



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. National iMuseum 





PER\ 



yORB 



WASHINGTON 



GOVERNxMENT PRINTING OFFICE 



1909 



