A Monograph of British Belemnitidœ: Jurassic |
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Page 1
... shells - was stoutly maintained by Grew , 1681 , Woodward , 1695 , Lhwyd , 1699 , and others in England , and by many foreign naturalists , until the general progress of zoology and geology left no room for doubt as to their affinity ...
... shells - was stoutly maintained by Grew , 1681 , Woodward , 1695 , Lhwyd , 1699 , and others in England , and by many foreign naturalists , until the general progress of zoology and geology left no room for doubt as to their affinity ...
Page 4
... shell formed , as the hard parts of mollusca are , by deposition from a secreting surface . In the elegant work of Mr. Parkinson , 1804 , Belemnites appear among the " organic remains of a former world , " and the terms employed by ...
... shell formed , as the hard parts of mollusca are , by deposition from a secreting surface . In the elegant work of Mr. Parkinson , 1804 , Belemnites appear among the " organic remains of a former world , " and the terms employed by ...
Page 7
... shell . Prof. Huxley has described it from more perfect examples , under the generic title of Xipho- teuthis . It occurs in the middle Lias of Lyme Regis.1 In the first volume of my work entitled ' Illustrations of the Geology of ...
... shell . Prof. Huxley has described it from more perfect examples , under the generic title of Xipho- teuthis . It occurs in the middle Lias of Lyme Regis.1 In the first volume of my work entitled ' Illustrations of the Geology of ...
Page 9
... shell which resembled the Belemnite by having , like it , a concamerated portion traversed by a marginal siphuncle , and protected by a brown , thick , shelly covering , which gradually became thinner towards the superior part ...
... shell which resembled the Belemnite by having , like it , a concamerated portion traversed by a marginal siphuncle , and protected by a brown , thick , shelly covering , which gradually became thinner towards the superior part ...
Page 10
John Phillips. were clearly distinguished , and the several parts of this somewhat complicated shell placed in comparison with the corresponding parts of Belemnoteuthis . In 1849 , further details from other examples were communicated by ...
John Phillips. were clearly distinguished , and the several parts of this somewhat complicated shell placed in comparison with the corresponding parts of Belemnoteuthis . In 1849 , further details from other examples were communicated by ...
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Common terms and phrases
abbreviatus acuarius alveolar apex alveolar cavity alveolar region alveolus Ammonites angle apicial region appears beds Belemnite-bed Belemnites Blainville breviformis canaliculatus collection compressed conical conoidal conotheca cross diameter cross section cylindroidal D'Orb D'Orbigny DIAGRAM distinct Dorsal aspect dorso-lateral grooves Dundry elliptical elongate elongatus examples excentric EXPLANATION OF PLATE figure flattened forms fossils fusiform Geol greatest diameter Greatest length observed hastate Ilminster Inferior Oolite Kimmeridge Clay laminæ Lateral aspect lateral furrows lateral grooves Lateral view Locality Longitudinal section Lower Lias Lyme Regis Marlstone Middle Lias Miller n. s. Pl nearly circular oval Owenii Oxford Clay Oxford Museum paxillosus Phillips phragmocone post-alveolar region Proportions Quenstedt Reference Robin Hood's Bay Saltwick Schlotheim sections show seen septa sheath shell Simpson siphuncle Sowerby species spherule Stonesfield striæ striated striation sulcatus taken at 100 tapering Transverse section tripartitus Upper Lias variety Ventral aspect ventral face ventral groove ventral radius Voltz Whitby Museum Yorkshire young specimens