The Quarterly Journal of the Geological Society of London, Volume 37The Society, 1881 - Electronic journals Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30) |
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Page 65
... belong to the Har- lech beds , below the Menevian ; and all four occur in the Menevian . Protospongia fenestrata , Salt . , is also from the Lower Lingula - flags proper . Zittel places these sponges in the family Euretida with the ...
... belong to the Har- lech beds , below the Menevian ; and all four occur in the Menevian . Protospongia fenestrata , Salt . , is also from the Lower Lingula - flags proper . Zittel places these sponges in the family Euretida with the ...
Page 66
... belong to the Tretenterata ( non - articulate group ) . It is doubtful if the others occur in the Longmynd group . LAMELLIBRANCHIATA . - No bivalve mollusk is known to occur below the Lower Tremadoc . In that formation for the first ...
... belong to the Tretenterata ( non - articulate group ) . It is doubtful if the others occur in the Longmynd group . LAMELLIBRANCHIATA . - No bivalve mollusk is known to occur below the Lower Tremadoc . In that formation for the first ...
Page 73
... belong to the Lingula - flags proper . Olenus is essentially an Upper Lingula- flag genus , 9 species occurring in that series ; and none pass out of the Lower Cambrian rocks or above the Tremadoc group , where 4 species occur ( 0 ...
... belong to the Lingula - flags proper . Olenus is essentially an Upper Lingula- flag genus , 9 species occurring in that series ; and none pass out of the Lower Cambrian rocks or above the Tremadoc group , where 4 species occur ( 0 ...
Page 77
... belong here ; they underlie the Dictyonema - shales , and are exposed in the valley of the White - leaved Oak . The upper Dolgelly beds are by far the most fossiliferous ; and nearly every species in any of the areas is confined to this ...
... belong here ; they underlie the Dictyonema - shales , and are exposed in the valley of the White - leaved Oak . The upper Dolgelly beds are by far the most fossiliferous ; and nearly every species in any of the areas is confined to this ...
Page 78
... belong to the Agnostidæ and Olenidae ; no new types of structure come in , the fauna being distinctive and similar and homogeneous as a whole . Dikelocephalus , Conocoryphe , Olenus , and Paradoxides constitute the natural group or ...
... belong to the Agnostidæ and Olenidae ; no new types of structure come in , the fauna being distinctive and similar and homogeneous as a whole . Dikelocephalus , Conocoryphe , Olenus , and Paradoxides constitute the natural group or ...
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Common terms and phrases
12 species 9 genera Actinozoa Agnostus Annelida Arenig rocks Asaphus beds Brachiopoda Britain Bryozoa Calymene Cambrian Caradoc Carboniferous Limestone Carboniferous rocks Cephalopoda Coal-measures Conocoryphe Crustacea David's deposits Devonian distribution division Echinodermata England Etheridge F.R.S. Prof fauna Fellows formation forms fossils Gasteropoda genera genus Geol Geological Society géologique Geologische Graptolites grits Harlech Heteropoda Hicks Homfrayi horizon Hydrozoa Ireland known Lamellibranchiata Lingula Lingulella Llandeilo Llandovery London Longmynd Lower Lingula-flags Lower Llandovery Lower Ludlow Lower Tremadoc M'Coy Medal Menevian Murchison North Devon North Wales Note number of species Obolella Old Red Sandstone Orthis Orthoceras palæontological Palæozoic Paradoxides Phill Professor Pteropoda Purchased Ramsey Island represented researches Salt Salter Scotland Sedgwick shales Shropshire Silurian Skiddaw slates South Wales species occur species pass St.-David's Stiperstones strata stratigraphical terrain Tremadoc Tremadoc rocks Trilobita Ueber Upper Devonian Upper Lingula-flags Upper Llandovery Upper Ludlow Upper Tremadoc Wenlock Woolhope yielded Yoredale zoological
Popular passages
Page 121 - FREDERICK M°CoY, FGS One vol., Royal 410. Plates, /i. is. A CATALOGUE OF THE COLLECTION OF CAMBRIAN AND SILURIAN FOSSILS contained in the Geological Museum of the University of Cambridge, by JW SALTER, FGS With a Portrait of PROFESSOR SEDGWICK.
Page 39 - gave expressions adapted for working all the problems that a crystal can present, and it gave them in a form that appealed at once to the sense of symmetry and appropriateness of the mathematician ... he thus placed the keystone into the arch of the science of crystallography
Page 40 - will long be cited as a model of accuracy." He was subsequently a member of a new Royal Commission for " examining into and reporting on the state of the secondary standards, and for considering every question which could affect the primary, secondary, and local standards.
Page 14 - to be cast iu bronze and to be given annually ' (or from time to time) 'as a mark of honorary distinction and as an expression on the part of the governing body of the Society that the Medallist (who may be of any country or either sex) has deserved well of the Science...
Page 229 - Staffordshire, was elected a Fellow of the Society. The following communications were read : — 1.
Page 12 - To promote researches concerning the mineral structure of the earth, and to enable the Council of the Geological Society to reward those individuals of any country by whom such researches may hereafter be made,' — ( such individual not being a Member of the Council.
Page 40 - In 1843 a Committee was appointed to superintend the construction of the new Parliamentary standards of length and weight, of which Professor Miller was a member, and to him was confided the construction of the new standards of weight. In the " Philosophical Transactions " for 1856 he describes at length " The operations for restoring the value of the Old Standard of Weight, for constructing the New Standard of a different value, for constructing various derived Standards, and for establishing the...
Page 299 - Composition des sables de Bracheux et mode d'origine de l'argile plastique, premier produit d'une émanation terminée par le dépôt du calcaire de Mortemer, d'après des coupes du chemin de fer de Compiègne (Oise), à Roye (Somme).