The Mineral Conchology of Great Britain: Or, Coloured Figures and Descriptions of Those Remains of Testaceous Animals Or Shells, which Have Been Preserved at Various Times and Depths in the Earth, Band 3B. Meredith, sold by the author, 1821 |
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acute AMMONITES angle angular aperture arched base beaks beneath Brander canal carinated cast CCV.-Fig CHAR character cicatrix Clay Closeburn colour columella concave conical convex Cornbrash costa costæ crenulated curved deep depressed Discoid diverging Dundry ears edge elevated favour figure flat Folkstone fossil front furrows genus gibbose Highgate Hill hinge incurved inferior Oolite Inoceramus irregular keel last whorl left lip length Limestone lines of growth long as wide longitudinal lunette Lyas Marck margin Marl Miller MODIOLA mouth Murex numerous oblique oblong obovate obscure Orbicular Orthocera Ostrea ovate Parkinson PECTEN plaits posterior lobe posterior side prominent radii resembles ribs right lip rounded septa sharp shew sinus siphuncle slightly smooth SPEC species specimens spines spire striæ sulci surface teeth Terebellum thick thin toothed Transversely elongated Transversely obovate TROCHUS truncated tubercles umbilicus undulations upper valve VENERICARDIA ventricose volutions W. D. Conybeare whorls wider than long width
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Seite 130 - This and several other shells, hitherto called Trochi, with the band around the spire, may more properly belong to the genus Pleurotomaria, which I may be induced at some future period to adopt.
Seite 18 - has many gentle undulations ; the inner part • is even, except that the base of each tubercle is extended towards the centre in an obtuse ridge. The keel nearly separated from the body of the shell ; it is
Seite 130 - is smooth, except the concentric band, upon which are semicircular striae, indicating a sinus in the outer lip.
Seite 156 - It Is liable to much variation in form, and in an extensive collection it would be difficult to draw a line between the several varieties, a circumstance that proves
Seite 105 - half exposed, with large tubercles upon each side; marginal undulations many, central ones few, rising into tubercles ; front rounded with a distinct keel; aperture cordate.
Seite 18 - more prominent, and the keel sometimes so far sunk as to have a furrow on each side of it. The inner whorls of var.
Seite 103 - many curious petrifactions found by JS Henslow, Esq. during a visit to the Isle of Man in 1819;
Seite 18 - about four, the inner ones concealed to the bases of the tubercles ; the outer part of the
Seite 31 - granulated surface is the result of decussating furrows, which vary in depth and number in different individuals