The Canadian journal of industry, science and art . Fig. 20i.— Ort7ioceras crebrisepfum(Hall). Fig. 2(i9.—Cali/mene Blu-menbacliii (Brogniart). In addition to the above, tbe following species (figured under theTrenton Group, on a preceding page) are also of common occur-rence:—Stenopora fibrosa (fig. 177) ; Petraia cornicula (fig. 178)OrtJiis testudinaria (fig. 182); Strophomena alternata (fig. 186)JRhynconella increbescens (fig. 187) ; Orthoceras hilineatmn (fig. 193)O. lateralis (fig. 192) ; Trinudeus comentricus (fig. 195) ; AsapJiusplatycephalus (fig. 196) ; and Illcenus crassicauda (fig,
The Canadian journal of industry, science and art . Fig. 20i.— Ort7ioceras crebrisepfum(Hall). Fig. 2(i9.—Cali/mene Blu-menbacliii (Brogniart). In addition to the above, tbe following species (figured under theTrenton Group, on a preceding page) are also of common occur-rence:—Stenopora fibrosa (fig. 177) ; Petraia cornicula (fig. 178)OrtJiis testudinaria (fig. 182); Strophomena alternata (fig. 186)JRhynconella increbescens (fig. 187) ; Orthoceras hilineatmn (fig. 193)O. lateralis (fig. 192) ; Trinudeus comentricus (fig. 195) ; AsapJiusplatycephalus (fig. 196) ; and Illcenus crassicauda (fig, 196 a). In western Canada, the Hudson Eiver formation occurs as aaoutlier in the vicinity of Ottawa City, associated with the bitumi-nous shales of the Utica series. Its chief development in this sec-tion of the Province, however, is between the more western extrem-ity of Lake Ontario, and the Western shores of Georgian Bay. Itforms the shore-line of Lake Ontario from the iiiver Ilouge in theTownship of Pickering (Ontario Co.), to the Eiver
Size: 1209px × 2066px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1850, bookpublishertoron, bookyear1856
