Geological Magazine, Том 3,Часть 4 -Том 4;Том 24;Том 4,Выпуск 251Henry Woodward Cambridge University Press, 1887 |
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Стр. 7
... ridge , bearing two subcentral bases of spines , the spines themselves having been broken off . They are , however , occasionally to be seen in sections of somites , as at the end of Figs . 4 s , and in 2 s . This ridge extends to and ...
... ridge , bearing two subcentral bases of spines , the spines themselves having been broken off . They are , however , occasionally to be seen in sections of somites , as at the end of Figs . 4 s , and in 2 s . This ridge extends to and ...
Стр. 8
... ridge of each somite has been slightly broken away along its posterior dorsal line . By a misadventure , Figs . 6 and 7 , Plate I. have both been drawn with the anterior extremities downwards , the other specimens being all drawn in the ...
... ridge of each somite has been slightly broken away along its posterior dorsal line . By a misadventure , Figs . 6 and 7 , Plate I. have both been drawn with the anterior extremities downwards , the other specimens being all drawn in the ...
Стр. 10
... ridges and the bases of their spines . The lateral margin ( ep ) is seen to be slightly serrated along the posterior border . Mr. Beale's specimens are all from the Clay - ironstone of the Coal - measures of Sedgley , near Dudley . Mr ...
... ridges and the bases of their spines . The lateral margin ( ep ) is seen to be slightly serrated along the posterior border . Mr. Beale's specimens are all from the Clay - ironstone of the Coal - measures of Sedgley , near Dudley . Mr ...
Стр. 20
... ridges upon the general sur- face of the stone . As these singular ex- amples were not seen in situ , I cannot say which sides were uppermost in the shale . 10 ( f ) Again , occurring in the same stratum are some large concre- tionary ...
... ridges upon the general sur- face of the stone . As these singular ex- amples were not seen in situ , I cannot say which sides were uppermost in the shale . 10 ( f ) Again , occurring in the same stratum are some large concre- tionary ...
Стр. 21
... ridges are always the largest or most perfectly developed of the individual groups or bunches . These tiny spheres contain a considerable per- centage of lime , as do the cone - in - cone masses which are encircled by them . With ...
... ridges are always the largest or most perfectly developed of the individual groups or bunches . These tiny spheres contain a considerable per- centage of lime , as do the cone - in - cone masses which are encircled by them . With ...
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appears Archæan augite Bagshot band beds Bernissartia bones Boulder-clay British Museum Cambrian Carboniferous Chalk character Chert Chondrosteus collection Crag Cretaceous crystalline crystals Ctenacodon Cythere deposits described diorite district Dollo dorsal drift dykes elegans England Eocene evidence fauna feet felspar figured flora foliation formation fossils fragments Frederick McCoy gabbro genera genus Geol GEOLOGICAL MAGAZINE Geological Society Geological Survey geologists glacial glacier gneiss granite Greensand grits Hill hornblende igneous Iguanodon latter Limestone LL.D London Clay lower LUDGATE HILL margin mass Memoir metamorphism miles mineral Miocene North occur original paper plates porphyritic portion posterior premolars present Price probably Prof referred resemblance ridge rocks sand Sandstone schists Scudder seen serpentine shales shell silica Silurian siphuncle species specimens spines strata structure surface Tertiary thickness TRÜBNER Upper valley veins vertebræ Wales whorl Woodward zone