168 THE CANADIAN NATURALIST. [Vol. X. 



CRUSTACEA. 



TRILOBITA. 



niaenus barriensis Murch. 1839, Sil. Syst. 



Encrmurus ornatus Hall, 1852, (vid Cybele punctata). 



Sphaerexochus romingeri « 1867, 20th Reg. Rep. N.Y. 



Calymene blumenbachii Brongniart, 1822, Hist. Nat. Const. 



Foss. 



Homalonotus delphinocsphalus Green, 1832. 



Dalmanites limuluras '• " 



Lichas holloni Bigsby, 1825, Jour. Acad. Nat. Sc, 



Acidaspis halli Spencer, 1880, Niagara Fossils. 



EURYPTERIDyE. 



Pterygotus Canadensis Dawson, 1879, Can. Nat. 



APPENDIX. 



Besides the previous catalogues of fossils found in the different 

 formations of tl:e Niagara Group in C^inada, Messrs. Nicholson 

 and Hinde have obtaiued the following species : 



CLINTON. 



Scolithus vertically at Dundas. 



Arenocolites sparsus " 



PLanolites vulgarus " 



Stromafo/iora luiidii at Owen Sound. 



Zaphrenlis stokesi (?) " " 



Chsetetes fletcheri at Dundas. 



Phcenopora ensi/ormis " 



Ptilodiclya crassa " 



" (.?) raripora " 



" punctata " 



Leptoccelia planoconvexa " 



Orthis calligrarnma " 



Leptaena sericea " 



Tentaculites neglectus <• 



Giyptocrinus plumosus " 



NIAGARA. 



Stromatopora hindei at Owen Sound. 



Heliolites interstincta " " 



Favosites venusfa " " 



" (?) muUipora « « 



'' dubia " " 



Ccenites (Limaria) laminata..., '• " 



" lunata " « 



Alveolites Jischeri " '• 



" niagarensis at Richmond. 



