Geological Magazine, Том 3,Часть 4 -Том 4;Том 24;Том 4,Выпуск 251Henry Woodward Cambridge University Press, 1887 |
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Стр. 145
... premolars and two molars . The large sectorial tooth ( pm . 1 ) is well preserved , and agrees in all particulars with the same tooth in the common Otter . The two anterior outer cusps of this tooth are sharp and show slight facets due ...
... premolars and two molars . The large sectorial tooth ( pm . 1 ) is well preserved , and agrees in all particulars with the same tooth in the common Otter . The two anterior outer cusps of this tooth are sharp and show slight facets due ...
Стр. 243
... premolars 5 ; molars 2 . The lower dentition is uncertain , but is probably the following : - Incisors 1 ; canine 0 ; premolars 4 ; molars 2 . The upper molar series in the type specimen of Allodon is well shown in Plate VI . Figures 1 ...
... premolars 5 ; molars 2 . The lower dentition is uncertain , but is probably the following : - Incisors 1 ; canine 0 ; premolars 4 ; molars 2 . The upper molar series in the type specimen of Allodon is well shown in Plate VI . Figures 1 ...
Стр. 244
... premolars , apparently the first , second , and third . The first two of these have a single external cone , and two inner cones , and the second tooth is larger than the first . The third premolar is still larger , unlike the ...
... premolars , apparently the first , second , and third . The first two of these have a single external cone , and two inner cones , and the second tooth is larger than the first . The third premolar is still larger , unlike the ...
Стр. 245
... premolars , and the two , minute , tubercular molars , form together a peculiar dentition . The long , sharp incisor shows no signs of wear whatever , and hence could not be opposed to the large upper incisor of Allodon . Its position ...
... premolars , and the two , minute , tubercular molars , form together a peculiar dentition . The long , sharp incisor shows no signs of wear whatever , and hence could not be opposed to the large upper incisor of Allodon . Its position ...
Стр. 246
... premolars are separated from the incisor by a long diastema . The first premolar is small , without serrations , and is placed close to the second . The latter is larger , inserted by two fangs , and has the summit faintly notched . The ...
... premolars are separated from the incisor by a long diastema . The first premolar is small , without serrations , and is placed close to the second . The latter is larger , inserted by two fangs , and has the summit faintly notched . The ...
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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