WHiTEAVES.] FOSSILS OF HAMILTON FORMATION OF ONTARIO. 125 



CEPHALOPODA. 



Orthoceras Anax, Billings. 



exile, Hall. 

 Goniatites uniangularis, Conrad. 



AETHEOPODA. 



CRUSTACEA. 



08TRAC0DA. 



Cythere ? (Beyrichia) punctulifera, Hall. 



TRILOBITA. 



Phacops rana. Green. 

 Dalmanites Bootbii, Green. 

 " Helena, Hall. 



FISHES. 



Macropetalichthys Sullivanti, Newberry. 



(Accidently omitted from the list of Hydroida.) 

 Stylodictyon retiforme, Nicholson and Murie. Eivi6re-aux-Sables, Hinde. 



