WHITEAVES.] FOSSILS OF HAMILTON FOBJIATION OF ONTARIO. 121 



Crepidophyllum Archiaci. (=Diphyphyllum Archiaci, BiUines.) 



subccespitosum. (=Diphyphyllum subcfepitosum, Nichl.) 

 Endophyllum strictum, Edwards and Haime. 

 Acervularia profunda, Hall. 

 Cystiphyllum Americanum, Edwards and Haime. 



corifolle, Hall. ..." Township of Bosanquet," Hall. 

 " superbum, I^icholson. 



vesiculo^um, Goldfuss. 



(b. HexacoraUa,'KieQkQ\-—Tahulata, Edwards and Haime.) 



Favosites Canadensis. (=Fistulipora Canadensis, Billings.) 



clausa, Eominger. « Arkona," Nicholson. 



Gothlandica. Lamarck, and var. Billingsi, Eominger. 

 " hemispha?rica, Yandell and Shumard. 

 " placenta, Eominger.* 



tuberosa, Eominger. .< Arkona," Nicholson. 



" turbinata, Billings. 

 Alveolites Goldfussi, Billings. 



" Ecemeri, Billings. 

 Striatopora Linnteana, Billings. 

 Pachypora cervicornis, de Blainville. 



" Fischeri. (=AlveoUtes Fischeri, Billings.) 



" frondosa, Nicholson. f 



" polymorpha, Goldfuss. 



Trachypora elegantula, Billings. 



ornata. (^Dendropora ornata, Eominger, teste Nicholson.) 



HYDEOMEDUS^. 

 HTDROIDA. 



Stromatoporella granulata, Xicholson. 



" nulliporoides, Xicholson. 



ECHINODEEMATA. 

 CRINOIDEA. 



Taxocrinus lobatus, Hall. 

 Homocrinus crassus, Whiteaves. 



* According to Nicholson this is a variety of FaroniJcs Canarfens''*, the FistuHporn Cana- 

 densU of Billings. 



t Nicholson regards Cladovora CanwUnai^, Rotuinger, as synonymous with this species. 



