leAvES.] FOSSILS OP HAMILTON FORMATION OP ONTARIO. 413 



ZOANTHARIA. 



(A. Tctracoralla, Hseckel : = Rugosa, Edwards and Haime.) 

 Microcychis discus, Meek and Worthen. 

 Zaphrentis cornicula, Lesueur. 

 Heterophrentis prolifica, Billiiiga. 

 Cyathophyllum Zenkuri, Billings. 

 Heliophyllum exiguum, Billings. 



" Halli, Edwards and Haime. 



" juvene (Rnminger). 



" tenuiseptatum, Billings. 



Blothrophyllum conatam (Hall). 

 Crepidophyllum Archiaci (Billings). 



" ftubcEespitosuni (Nicholson). 



Diphyphyllmn strictum (Edwards and Haime). 

 Acervularia profunda, Hall. 

 Phillipsastraea Vernueili, Edwards and Haiine. 

 Cystiphyllum Aniericanum, Edwards and Haime. 

 ** conifoUe, Hall. 



" superbum, Nicholson. 



" vesiculosum, Goldfuss. 



(B. ffexacoralla, Haeckel : = Tabulata, Edwards and Haime.) 



Favosites Alpenensis, Winchell. 

 arbuscula. Hall. 



" Billingsi, Rominger. 



" clausa, Rominger. 



" placenta, Rominger. 



" turbinata, Billings. 

 Raemeria ramosa, Whiteaves 

 Alveolites Goldfussi, Billings. 

 Striatopora Linnseana, Billings. 

 Cladopora f ischeri (Billings). 

 " frondosa (Billings). 

 " Rsemeri (Billings). 

 Trachypora elegantula, Billings. 



" omata ( = Dendrofiora ornata, Rominger, teste Nicholson). 



Syringopora intermedia, Nicholson. 



" nobilis, Billings. 



HYDROMEDUS.^. 



HYDROIDA. 



Clathrodictyon retiforme (Nicholson and Murie). 

 Stromatopora mamillata, Nicholson. 

 Stromatoporella granulata, Nicholson. 



" incrustans, Hall and Whitfield, sp. ( = Stromatopora nuUiporoidea, 



Nicholson. ) 



ECHINODERMATA. 

 CRINOIDEA. 



Gilbertsocrinus spinigerus (Hall). 

 Dolatocrinus Canadensis, Whiteaves. 

 " subaculeatus, Whiteaves. 



