Image: The Quarterly journal of the Geological Society of London (1916) (14781798871)

Description: Identifier: quarterlyjournal721916ge (find matches) Title: The Quarterly journal of the Geological Society of London Year: 1845 (1840s) Authors: Geological Society of London Subjects: Geology Publisher: London (etc.) Contributing Library: Smithsonian Libraries Digitizing Sponsor: Biodiversity Heritage Library View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: to it,and a question arises as to how the species represented by this jawshall be named. Campodus (1844) is an older generic term thanEdestus (1856). but it is evident that the teeth to which itsdefinition applies belong to more than one genus: for the sym-physial teeth of Campodus variabilis, as made known by Eastman,1must be regarded as generically distinct from those of the specimennow described, while the former must have been arranged as asingle row only in one jaw, and as a paired row in the opposingjaw; whereas in the Yorkshire teeth the surfaces of wear show thatthere must have been an unpaired median row in each jaw. Asthe latter arrangement has already been proved by Hay to charac-terise Edestus, and as the symphysial teeth in the new fossilmerely differ from those of the typical Edestus in the relatively-small size and extension of the root, I propose to regard it as 1 Bull. Mus. Comp. Zool. Harvard Coll. vol. sxxis (1902) p. 58. Quart. Journ. Geol. Soc. Vol. LXXII, Pl. I. Text Appearing After Image: ' Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.
Title: The Quarterly journal of the Geological Society of London (1916) (14781798871)
Credit: https://www.flickr.com/photos/internetarchivebookimages/14781798871/ Source book page: https://archive.org/stream/quarterlyjournal721916ge/quarterlyjournal721916ge#page/n106/mode/1up
Author: Geological Society of London
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