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| Keywords: The Quarterly journal of the Geological Society of London (12684638144).jpg 190 PROCEEDINGS OF THE GEOLOGICAL SOCIETY Mar 10 <br> Pupa anglica W Vertigo substriata W <br> Vertigo palustris W E Clausilia bidens W <br> pusilla W E nigricans W <br> edentula W E Rolphii W <br> pygmsea W Achatina acicula W <br> angustior W Carychium minimum W E <br> alpestris W Acme fusca and var reversed W <br> Freshwater Shells <br> Succinea putris W E Planorbis nitidus W <br> Pfeifferi W E albus W <br> Limneus truncatulus W E vortex W <br> pereger W Bithinia tentaculata W E <br> palustris W E ventricosa W <br> stagnalis W Valvata piscinalis W E <br> Physa hypnorum W cristata E <br> Planorbis spirorbis W E Pisidium obtusale E <br> contortus W pulchellum E <br> marginatus W pusillum W <br> imbricatus W Unio or Anodon fragments of W <br> Entomostraca <br> Valves of Candona lucens W <br> In this marl the horn-core and bones of Ox antlers of Stag and <br> bones of Elephant have been met with <br> It may be observed that the shell-marl does not appear to be of <br> much use to the agriculturist as a top-dressing it having failed to <br> produce the effects which result from the application of chalk to the <br> land <br> Figures of the two extinct land-shells above-mentioned are given <br> in the accompanying woodcut fig 4 <br> Fig 4 � Extinct Shells from the Freshwater Beds at Copford <br> <br> a b c d e <br> a �c Helix incamata d e Helix ruderata magnified <br> Overlying the white marl is an unstratified deposit of reddish- <br> brown clay No 1 of the section containing chalk-nodules rounded <br> and angular flints boulders of greywether and other sandstones <br> limestones conglomerates and porphyritic rocks This clay is from <br> 1 to 6 feet thick ; the greatest thickness occurring in the northern <br> part of the field To the south it passes over the limit of the marl- <br> beds and rests on the yellow bed into which the blue clay or brick- <br> earth passes No organic remains have been found in this brown <br> clay excepting a molar tooth of a Horse and this was obtained near <br> its junction with the white marl <br> At the western and northern parts of the field there is a superficial <br> bed of peat about 1 foot in thickness with recent land and fresh- <br> water shells many of which retain their epidermis 35461196 109911 51125 Page 190 Text v 8 http //www biodiversitylibrary org/page/35461196 1852 Geological Society of London NameFound Achatina acicula NameConfirmed Achatina acicula NameFound Anodon NameConfirmed Anodon EOLID 4752261 NameBankID 112384 NameFound Bithinia tentaculata NameConfirmed Bithinia tentaculata NameFound Candona lucens NameConfirmed Candona lucens NameFound Carychium minimum NameConfirmed Carychium minimum EOLID 453030 NameBankID 2687772 NameFound Clausilia bidens NameConfirmed Clausilia bidens M NameFound Limneus truncatulus NameConfirmed Lixus truncatulus Fabricius 1801 EOLID 884274 NameFound Physa hypnorum NameConfirmed Physa hypnorum NameFound Pisidium obtusale NameConfirmed Pisidium obtusale EOLID 4762510 NameBankID 6475394 NameFound Planorbis nitidus NameConfirmed Planorbis nitidus NameFound Planorbis spirorbis NameConfirmed Planorbis spirorbis NameFound Pupa anglica NameConfirmed Pupa anglica NameFound Succinea putris NameConfirmed Succinea putris EOLID 596085 NameBankID 2687937 NameFound Unio NameConfirmed Unio EOLID 2979542 NameBankID 4388466 NameFound Valvata piscinalis NameConfirmed Valvata piscinalis EOLID 12003293 NameBankID 2683198 NameFound Vertigo palustris NameFound Vertigo substriata NameConfirmed Vertigo substriata EOLID 4922161 NameBankID 5445216 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 8 1852 Geology Periodicals Smithsonian Libraries bhl page 35461196 dc identifier http //biodiversitylibrary org/page/35461196 smithsonian libraries Information field Flickr posted date ISOdate 2014-02-21 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12684638144 2015-08-27 12 55 28 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1852 Photos uploaded from Flickr by Fæ using a script | ||||
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