The Quarterly Journal of the Geological Society of London, Volume 22The Society, 1866 Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) |
No interior do livro
Resultados 1-5 de 66
Página 35
... 1. TEREBRATULA AUSTENIANA , spec . nov . Pl . I. fig . 1 . Shell almost circular , nearly equally and moderately convex ; sur- * Sect . C. face smooth . Beak moderately produced , and truncated by D 2 DAVIDSON - THIBET BRACHIOPODA . 35.
... 1. TEREBRATULA AUSTENIANA , spec . nov . Pl . I. fig . 1 . Shell almost circular , nearly equally and moderately convex ; sur- * Sect . C. face smooth . Beak moderately produced , and truncated by D 2 DAVIDSON - THIBET BRACHIOPODA . 35.
Página 37
... spec . nov . Pl . I. figs . 11-14 . Shell longer than wide , sometimes oval and rounded in front , but more often truncated or indented at the front , and even bipli- cated . Ventral valve regularly convex and rather deeper than the ...
... spec . nov . Pl . I. figs . 11-14 . Shell longer than wide , sometimes oval and rounded in front , but more often truncated or indented at the front , and even bipli- cated . Ventral valve regularly convex and rather deeper than the ...
Página 38
... spec . nov . Pl . I. fig . 8 . Shell obscurely pentagonal , straight or slightly indented in front . Valves gently convex and smooth , no mesial fold in the dorsal valve , but a gentle depression or sinus occurs near the front of the ...
... spec . nov . Pl . I. fig . 8 . Shell obscurely pentagonal , straight or slightly indented in front . Valves gently convex and smooth , no mesial fold in the dorsal valve , but a gentle depression or sinus occurs near the front of the ...
Página 39
... spec . nov . 9 & 10 . Rhynchonella , sp . JURASSIC SPECIES , FROM KATO , LADAK , IN THE SURU . 11-14 . Terebratula Thibetensis , spec . nov . 15 & 16. Rhynchonella Katonensis , spec . nov . Notes on the CARBONIFEROUS BRACHIOPODA ...
... spec . nov . 9 & 10 . Rhynchonella , sp . JURASSIC SPECIES , FROM KATO , LADAK , IN THE SURU . 11-14 . Terebratula Thibetensis , spec . nov . 15 & 16. Rhynchonella Katonensis , spec . nov . Notes on the CARBONIFEROUS BRACHIOPODA ...
Página 41
... spec . nov . Pl . II . fig . 4 . Shell longitudinally oval , longer than wide ; hinge - line rather shorter than the greatest width of the shell . Both valves are convex , the ventral being the deeper ; and each is ornamented with from ...
... spec . nov . Pl . II . fig . 4 . Shell longitudinally oval , longer than wide ; hinge - line rather shorter than the greatest width of the shell . Both valves are convex , the ventral being the deeper ; and each is ornamented with from ...
Outras edições - Ver tudo
The Quarterly Journal of the Geological Society of London, Volume 2 Geological Society of London Visualização integral - 1846 |
The Quarterly Journal of the Geological Society of London, Volume 28 Geological Society of London Visualização integral - 1872 |
Palavras e frases frequentes
abundant Alethopteris amygdaloidal appear areoles Argillaceous underclay Argillo-arenaceous underclay beds belong Brachiopoda Brongn Brown Calamites calcareous Carboniferous Limestone Chalk character Chillesford coal Coal-formation Coal-group Coal-measures coaly shale conglomerate contains Cordaites deposits described Devonian district drift Eocene Eozoon fauna feet ferns formation fossiliferous fossils fragments genera genus Geol Geological glacial gravel Grey shale Guppy Hill inches ironstone Joggins Journ layer Lepidodendron Lepidophloios Lias London Clay Lower marine marls masses metamorphic miles mineral Miocene noticed numerous observed occur Old Red Sandstone Ophite pebbles plate portion posterior present Prof Quart R. I. Murchison resemblance Rhætic ribs River rocks sand seen serpentine shale shells Sigillaria siliceous Silurian Sir R. I. Murchison slates Society Southerndown spec species specimens Stigmaria stone strata structure surface Sutton series Sydney Tertiary thick tissue underclay upper valley valve
Passagens conhecidas
Página 66 - Results of Meteorological Observations made under the direction of the United States Patent Office and the Smithsonian Institution, from the year 1854 to 1859, inclusive, being a Report of the Commissioner of Patents made at the first session of the 36th Congress.
Página 47 - Ibid., pp 347-350. 27. On Graptolites, their Duration in Geological Periods, and their Value in the Identification of Strata. Ibid., pp.
Página 389 - PENROSE'S (FC) Principles of Athenian Architecture, and the Optical Refinements exhibited in the Construction of the Ancient Buildings at Athens, from a Survey. With 40 Plates. Folio.
Página lii - Bohemia, in a specimen of gneiss from near Moldau, and in a specimen of serpentinous limestone sent to Sir Charles Lyell by Dr.
Página xv - The following communications were read : — 1 . " Additional Observations on the Raised Beach of Sangatte, with reference to the date of the English Channel, and the presence of Loess in the Cliff-section.
Página 103 - In a passage, which is the continuation of that already cited, he writes : — " (3) The microscopical structure and chemical composition of the beds of cannel coal and earthy bitumen, and of the more highly bituminous and carbonaceous shale, show them to have been of the nature of the fine vegetable mud which accumulates in the ponds and shallow lakes of modern swamps.
Página 103 - ... (4) A few of the underclays, which support beds of coal, are of the nature of the vegetable mud above referred to ; but the greater part are argilloarenaceous in composition, with little vegetable matter, and bleached by the drainage from them of water containing the products of vegetable decay. They are. in short, loamy or clay soils, and must have been sufficiently above water to admit of drainage.
Página xxxv - In 1848 he was made first-class Assistant in the department of Geology and Mineralogy in the British Museum. He published but one independent work, a ' Manual of Recent and Fossil Shells,' of which the first part appeared in 1851, and the two folio win
Página 321 - Devon," p. 5. 1865. t Quar. Journ. Geol. Soc., vol. xxiL, pages 344-5. 1866. than their conclusions. I fully admit that the rocks near Lynton appear to be the lowest, and that there appears to be a regular ascending succession of rocks from Lynton to the latitude of Barnstaple. I am, however, compelled to dispute the reality of this apparent order of succession, and to suppose that there is either a concealed anticlinal, with an inversion to the north, or, what I believe to be much more probable,...
Página xxxi - On the Determination of the Distance of a Comet from the Earth, and the Elements of its Orbit; 3. Account of the ' ' Traité sur le flux et reflux de la Mer," of Daniel Bernoulli ; and a Treatise on the Attractions of Ellipsoids.