The American Journal of Science
The American Journal of Science
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In our eReader you can find the full English version of the book. Read The American Journal of Science Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The American Journal of Science
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Digitized by VjOOQ IC 126 G. a. Wieland — Upper Cretaceous Turtles.
not 80 good a swimmer as any of the existing marine tnrtlee.
In any case it is very evident that Osteopygis and the follow- ing closely related Propleura are among the most interesting of all known forms on the border line between littoral and marine Chelonians.
The 7th cervical is coelo-bicyrtean, the double convexity of the posterior end not being very marked. It is very broad in front, mainly because of heavy somewhat downwa...rdly directed transverse processes, and had a heavy median keel running along its full length. The base of the neural arch is rather slender. Regarding the skull of Osteopygis we are as yet uncertain. It may pi-ove to be like that of the prior genus Eucldstes^ as was thougnt possible by Cope or has since been assumed on ground not known to me. This remains to be carefully proven or disproven.
Systematic Position. — The type of the genus Osteopygis is the species O. emarginatus^ and the present species appears to be more nearly related to it than to any of tne several subse- quently described forms.
What to read after The American Journal of Science?
You can find similar books in the "Read Also" column, or choose other free books by Wilmot Hyde Bradley, Yale University. Dept. of Geology And Geophysics, Byron Nelson Cooper, Highwire Press, John Rodgers to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Digitized by VjOOQ IC 126 G. a. Wieland — Upper Cretaceous Turtles.
not 80 good a swimmer as any of the existing marine tnrtlee.
In any case it is very evident that Osteopygis and the follow- ing closely related Propleura are among the most interesting of all known forms on the border line between littoral and marine Chelonians.
The 7th cervical is coelo-bicyrtean, the double convexity of the posterior end not being very marked. It is very broad in front, mainly because of heavy somewhat downwa...rdly directed transverse processes, and had a heavy median keel running along its full length. The base of the neural arch is rather slender. Regarding the skull of Osteopygis we are as yet uncertain. It may pi-ove to be like that of the prior genus Eucldstes^ as was thougnt possible by Cope or has since been assumed on ground not known to me. This remains to be carefully proven or disproven.
Systematic Position. — The type of the genus Osteopygis is the species O. emarginatus^ and the present species appears to be more nearly related to it than to any of tne several subse- quently described forms.
What to read after The American Journal of Science?
You can find similar books in the "Read Also" column, or choose other free books by Wilmot Hyde Bradley, Yale University. Dept. of Geology And Geophysics, Byron Nelson Cooper, Highwire Press, John Rodgers to read onlineMoreLess
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