Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 67American Philosophical Society, 1928 |
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Сторінка 22
... Pleistocene corals occur in lately uplifted beds in the vicinity of Tampico . No reefs , however , have been reported . Along the Oaxaca coast the Pleistocene occurs as a low cliff of loosely consolidated beach material . It extends ...
... Pleistocene corals occur in lately uplifted beds in the vicinity of Tampico . No reefs , however , have been reported . Along the Oaxaca coast the Pleistocene occurs as a low cliff of loosely consolidated beach material . It extends ...
Сторінка 25
... is not uncommon on rocky cliffs where it is protected from the rays of the sun . The fleshy parts are carmine in color . It also occurs in the Pleistocene . PLATE I b C FIG . 1. - Astrangia browni CORAL REEFS OF WESTERN MEXICO 25.
... is not uncommon on rocky cliffs where it is protected from the rays of the sun . The fleshy parts are carmine in color . It also occurs in the Pleistocene . PLATE I b C FIG . 1. - Astrangia browni CORAL REEFS OF WESTERN MEXICO 25.
Сторінка 26
... . - Astrangia browni Palmer n . sp . Vertical section showing granular dentate septa and perforations of septa which produce the porous columella . X 6 . Oculina species How- In the Pleistocene deposits this genus is. 26 R. H. PALMER.
... . - Astrangia browni Palmer n . sp . Vertical section showing granular dentate septa and perforations of septa which produce the porous columella . X 6 . Oculina species How- In the Pleistocene deposits this genus is. 26 R. H. PALMER.
Сторінка 27
American Philosophical Society. Oculina species How- In the Pleistocene deposits this genus is rather common . ever , the preservation is too poor to warrant specific determination . Astrangia browni n . sp . Plate I , Figs . 1 and 2 The ...
American Philosophical Society. Oculina species How- In the Pleistocene deposits this genus is rather common . ever , the preservation is too poor to warrant specific determination . Astrangia browni n . sp . Plate I , Figs . 1 and 2 The ...
Сторінка 28
... Pleistocene . Note flat growth habit and abun- dance of small verrucae . The new species is similar to Astrangia conferta Verrill (. FIG . 1. - Reef of Pocillopora capitata Ver . var . robusta Ver . ( foreground ) near Puerto Angel ...
... Pleistocene . Note flat growth habit and abun- dance of small verrucae . The new species is similar to Astrangia conferta Verrill (. FIG . 1. - Reef of Pocillopora capitata Ver . var . robusta Ver . ( foreground ) near Puerto Angel ...
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