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
... less certainty , to the order of the Alcyonaria — a few forms being of quite uncertain affinities . I have not , however , been induced to think that the so - called “ Tabulate Corals ” are , to any extent , referable to the Polyzoa ; 1 ...
... less certainty , to the order of the Alcyonaria — a few forms being of quite uncertain affinities . I have not , however , been induced to think that the so - called “ Tabulate Corals ” are , to any extent , referable to the Polyzoa ; 1 ...
Página viii
... less certainty , to the order of the Alcyonaria - a few forms being of quite uncertain affinities . I have not , however , been induced to think that the so - called " Tabulate Corals " Tabulate Corals " are , to any extent , referable ...
... less certainty , to the order of the Alcyonaria - a few forms being of quite uncertain affinities . I have not , however , been induced to think that the so - called " Tabulate Corals " Tabulate Corals " are , to any extent , referable ...
Página 2
... less rudimentary , has the same general mode of arrangement as in the preceding sub - orders " ( Aporosa and Perforata ) , “ and never presents the crucial character which we shall find in the Zoantharia Rugosa . " They also divide the ...
... less rudimentary , has the same general mode of arrangement as in the preceding sub - orders " ( Aporosa and Perforata ) , “ and never presents the crucial character which we shall find in the Zoantharia Rugosa . " They also divide the ...
Página 8
... less probable relationships with either the Hydrozoa or the Alcyo- naria ; and light of the most important character is afforded as to certain structural features in the Palæozoic types , which have hitherto proved obscure or ...
... less probable relationships with either the Hydrozoa or the Alcyo- naria ; and light of the most important character is afforded as to certain structural features in the Palæozoic types , which have hitherto proved obscure or ...
Página 11
... less partitions formed subsequent to the extrusion of the ova . It must also be admitted that any transverse plates which may be found to intersect the cells of undoubted Polyzoa ( such as Heterodictya , Nich . ) must be of a ...
... less partitions formed subsequent to the extrusion of the ova . It must also be admitted that any transverse plates which may be found to intersect the cells of undoubted Polyzoa ( such as Heterodictya , Nich . ) must be of a ...
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