Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 69American Philosophical Society, 1930 |
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Сторінка 125
... cusp and directly behind it a very small cusp . On P , there is a sharp anterior basal cusp which is not present in Diacodon bicuspis ( Cope ) or Diacodon alticuspis Cope , but may be seen in D. ( Prodiacodon ) puercensis Matthew and ...
... cusp and directly behind it a very small cusp . On P , there is a sharp anterior basal cusp which is not present in Diacodon bicuspis ( Cope ) or Diacodon alticuspis Cope , but may be seen in D. ( Prodiacodon ) puercensis Matthew and ...
Сторінка 521
... cusps ; the protoconid , and a higher , directly opposed cusp . From a comparison with M , it appears that the paraconid and metaconid of M3 are but a single cusp , for though in M2 the crests which diverge from the protoconid connect ...
... cusps ; the protoconid , and a higher , directly opposed cusp . From a comparison with M , it appears that the paraconid and metaconid of M3 are but a single cusp , for though in M2 the crests which diverge from the protoconid connect ...
Сторінка 525
... cusp , instead of between this cusp and the heel . The lingual cusp of the heel is separated from the main cusp of the tooth by a deep valley . P3 is smaller than P4 . The latter tooth has a well defined promi- nent anterolingual basal cusp ...
... cusp , instead of between this cusp and the heel . The lingual cusp of the heel is separated from the main cusp of the tooth by a deep valley . P3 is smaller than P4 . The latter tooth has a well defined promi- nent anterolingual basal cusp ...
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