On the Structure and Affinities of the "Tabulate Corals" of the Palaeozoic Period: With Critical Descriptions of Illustrative SpeciesWilliam Blackwood, 1879 - 342 páginas |
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Página viii
... typical " Tabulata " exhibit so many and such important points of affinity with unquestionable living corals , both Alcyonarians and Zoantharians , I do not at present feel inclined to alter the opinion which I have formed as to the ...
... typical " Tabulata " exhibit so many and such important points of affinity with unquestionable living corals , both Alcyonarians and Zoantharians , I do not at present feel inclined to alter the opinion which I have formed as to the ...
Página viii
... typical “ Tabulata ” exhibit so many and such important points of affinity with unquestionable living corals , both Alcyonarians and Zoantharians , I do not at present feel inclined to alter the opinion which I have formed as to the ...
... typical “ Tabulata ” exhibit so many and such important points of affinity with unquestionable living corals , both Alcyonarians and Zoantharians , I do not at present feel inclined to alter the opinion which I have formed as to the ...
Página 15
... typical of the true polypes . The existence of stellate cells B Fig . 3. - A , Portion of the corallum of Pocillopora aspera , var . lata , Verrill , of the natural size ; B , Part of the surface of same enlarged ; c , Section of the ...
... typical of the true polypes . The existence of stellate cells B Fig . 3. - A , Portion of the corallum of Pocillopora aspera , var . lata , Verrill , of the natural size ; B , Part of the surface of same enlarged ; c , Section of the ...
Página 17
... typical and un- doubted examples known to me are C. alveolata , Goldf . ( Favistella stellata , Hall ) , and C. calicina , Nich . Both of these have coralla composed of polygonal or subcylindrical corallites , with well - developed ...
... typical and un- doubted examples known to me are C. alveolata , Goldf . ( Favistella stellata , Hall ) , and C. calicina , Nich . Both of these have coralla composed of polygonal or subcylindrical corallites , with well - developed ...
Página 18
... typical Columnaria in the great thick- ness of its walls and the very rudimentary condition of its septa . As to the precise position of the typical Columnaria in the zoological series , it does not seem at present possible to speak ...
... typical Columnaria in the great thick- ness of its walls and the very rudimentary condition of its septa . As to the precise position of the typical Columnaria in the zoological series , it does not seem at present possible to speak ...
Outras edições - Ver tudo
On the Structure and Affinities of the "Tabulate Corals" of the Palaeozoic ... Henry Alleyne Nicholson Visualização integral - 1879 |
On the Structure and Affinities of the "Tabulate Corals" of the Palaeozoic ... Henry Alleyne Nicholson Visualização integral - 1879 |
On the Structure and Affinities of the "Tabulate Corals" of the Palaeozoic ... Henry Alleyne Nicholson Visualização integral - 1879 |
Palavras e frases frequentes
Actinozoa affinities Alcyonaria allied alveolata Alveolites appear Aulopora Beaumontia Billings Brit calices Carboniferous Char.-Corallum characters Chatetes Chonostegites cœnenchyma Columnaria Constellaria contiguous corallites contiguous tubes coral corallum D'Orb Devonian distinct Dr Lindström Dr Rominger Edwards and Haime Eifel enlarged five enlarged twenty epitheca Favosites Favositida Fistulipora Forbesi Foss genus Goldf Goldfuss Gothlandica Halysites Heliolites Heliolitida horizontal Hydrozoa interstitial Labechia lamellæ large corallites large tubes larger latter line in diameter longitudinal Lonsd M'Coy Michelinia microscopic Milne-Edwards and Haime Monticulipora mural pores numerous Ontario Pachypora perforated polygonal Polyzoa pora Portion present prismatic radiating recognised regarded resemblance ridges sclerenchyma sections Pl separated septa small corallites small tubes smaller species specimens spines spiniform Stenopora Syringopora tabulæ Tabulata Tabulate Corals tangential section Tetradium Thecia thickened thin sections tissue transverse section Upper Silurian upper surface vertical section visceral chamber walls Wenlock Wenlock Limestone Zoantharia