ISBN: 9781130947847

RareBooksClub.com. Paperback. New. This item is printed on demand. Paperback. 270 pages. Dimensions: 9.7in. x 7.4in. x 0.6in.This historic book may have numerous typos and missing text.… Mehr…

RareBooksClub.com. Paperback. New. This item is printed on demand. Paperback. 270 pages. Dimensions: 9.7in. x 7.4in. x 0.6in.This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1900 Excerpt: . . . scitula Hall lata Hall. 28071 x lenta Hall. 28038 x mdcotti Hall and Clarke. 28070 liensseheria caijuga Hall and Clarke, 14778, 28039, 28040 Crntrmulla glanifagea Hall. Hall collection im, , ;, I, i Billings. Hall collection alreata Hall. Hall collection TentundUts arenom Hall. 28041 PUdyeeras carinatum Hall. Hall collection cancavum Hall. Hall collection dentalium Hall. Hall collection nodosum Conrad. 28048 x Dmphorostama rentricosa (Conrad). 28049, 147S3 1 x x Otdlmiema 8. undet. 28050 Cyrtolitet rxpwimts Hall hixonema snbaltenuatum Hall 28051 1 1 x Actinopteria texlilis armaria (Hall). 28045, From the Oriskany sandstone of Ontario, 71 species are now known, and of these not less than 42re also found in the Onondaga limestone above. The close affinity of this Oriskany fauna with that of the Onondaga is made more apparent when it is noted that 36 species of the 71 constituting the Ontario Oriskany do not occur elsewhere, and that 31 of these are typical Onondaga limestone species. About half the species restricted to the Oriskany of Ontario (36) are therefore early introductions of species characterizing the Onondaga limestone. Further, a person collecting fossils in this region will find difficulty in distinguishing the Oriskany fossils, mainly corals, of the thin upper layers from those of the Onondaga. That the Ontario Oriskany fauna is probably considerably younger than the Upper Oriskany of New York or of the Appalachian region, is also indicated by the absence of the Esopus grit in Ontario and the many species common to it and the Onondaga cherty limestone. Moreover, of the 71 species found in Ontario, but 16 occur in the Lower Oriskany of New York, and but 8 Ilelderbergian species are present. These figures, as thus sta. . . This item ships from La Vergne,TN., RareBooksClub.com<