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| Keywords: The Quarterly journal of the Geological Society of London (12893351155).jpg was acquired <br> by Dr Woodward in 1895 and is <br> now one of the most remarkable <br> specimens in the Fossil Plant Gal- <br> lery of the British Museum 3 It is <br> probably the largest fossil Cycad <br> hitherto recorded and although the <br> internal structure has been for the <br> most part very imperfectly pre- <br> served the cast of the stem is in <br> some respects unusually complete <br> The specimen was found lying in a <br> horizontal position in a bed of <br> shaly clay 2 feet thick and about <br> 17 feet higher in the Purbeck series <br> than the Great Dirt-bed from which <br> most of the Portland plants have <br> been obtained <br> The position of the fossil is shown <br> in fig 1 ; the section is drawn from <br> a photograph of the rock-face in <br> one of Mr Barnes's quarries close to <br> St George's Church on the west side <br> of the old Portland Wide Street <br> Seam ofldaly stone <br> 9JI <br> WBSffibCycad <br> – 3£19T- <br> //re /f ess/ f-sr <br> ~-£- <br> 2'6'_X <br> Shifting ruZlle <br> Top slate <br> Shaley clay <br> Shinglebed <br> Soft slaty stone <br> Seam of clay <br> Hard slate bed <br> Bacon Tier <br> Aish <br> Bur <br> Great dirt led <br> Top tap <br> Lower did led <br> ki g - PJ/ Scul cap <br> In PI I the stem is represented <br> about J natural size ; it measures <br> 1 metre 18 5 cm in height nearly <br> 4 feet and at the broadest part <br> has a girth of 1 m 7 cm At the <br> base it is somewhat narrower and <br> thinner and the surface-features <br> 1 W Buckland ' Geology and Mineralogy considered with reference to <br> Natural Theology ' Sixth Bridgewater Treatise vol i London 1836 p 490 <br> pis lx -lxii ; also Trans Geol Soc ser 2 vol ii pt iii 1828 p 395 <br> 2 W Carruthers ' On Fossil Cycadean Stems from the Secondary Bocks of <br> Britain ' Trans Linn Soc vol xxvi 1870 p 675 3 No V 3454 <br> Wanteds ' o'ack <br> 'fTbrtlahd'O'eds'X <br> Drawn hy Miss G M Woodward <br> from a photograph 36028727 111130 51125 Page 22 Text 53 http //www biodiversitylibrary org/page/36028727 1897 Geological Society of London NameFound Cycadeoidea gigantea NameFound Gigantea NameConfirmed Gigantea EOLID 91906 NameBankID 4549793 Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 53 1897 Geology Periodicals Smithsonian Libraries bhl page 36028727 dc identifier http //biodiversitylibrary org/page/36028727 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-03 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/12893351155 2015-08-26 17 54 12 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1897 Photos uploaded from Flickr by Fæ using a script | ||||
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