NIAGARA LIMESTONE. 



379 



The following table shows the character of the fauna, of the forma- 

 tion, and at the same time the distribution of the species among the 

 several localities: 



FOSSILS OF THE GUELPH BEDS OF THE NIAGARA GROUP. 



Gkneka and Species. 



PETBOSPONGIA. 



Stromatopora concentrioa. . . 



CORALS. 



Favosites Niagarensis 



F. ocoidens, n. sp 



Astrocerium venustum 



Alveolites, und. sp 



Oladopora, und. sp 



Halysites catenulatus 



H. catenulatus, var. inicroporus 



Cyathophyllum, und. sp • • ■ 



Amplexus annulatus, n. sp 



Chonophyllum magnificum 



Cystiphyllum, sp. res. C. Niagarense. 



DiphyphyUum, und. sp 



Zaphientis, und. sp 



O 



Pi 



I— t^ 



r- <D 



S 



.CM 





C5 



CRI3S0IDBA. 



Eucalyptocrinus coelatus ■ 



E. omatijs •• 



Glyptocrinus nobilis 



BRACHIOPODA. 



MonomereUa prisca 



Orthis elegantula 



Strophomena profunda 



S. rhomboidalis 



Spirif era plicateUa, var. radiata 



Meristella Hyale=ChaxionelIa Hyale. 



Retzia, uud. sp 



Atyrpa, und. sp 



EhynohoneUa cuneata 



R.' neglecta 



R. pisum 



Pentamerus oblongus 



P. ventrieosus 



P. und. sp .•••;■•• 



Gypidula (Pentamerus) muJticostata 

 G. occidentalis 



LAMBLLIUKANCHIATA. 



Megalomus Canadensis. 

 Auilionychia acutirostra.. 

 Eensselseria, n. sp 



O 



*9 



*y 



CO . CQ 



o 



1^. 



O 



o o 

 ca 



*? 



* 



