The Genera of Recent and Fossil Shells, for the Use of Students, in Conchology and Geology Volume 2

The Genera of Recent and Fossil Shells, for the Use of Students, in Conchology and Geology Volume 2

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1830 edition. Excerpt: No. 33, King Street, Covcnt Garden; or at Messrs. SowEnnv, 2, Mead Place, Lambelh; SaEawoon and Jonas. Paternoster Raw; Hxrcmuw and Sox, Piccadilly; PaILurs, George Yard, Lombard Street; HEARNE, 81, Strand; S'r01-cnl, unv, 3, Dow: Court, Old Jewry; Dslullrox and Son, Cambridge; Enwuzus and SAVAGE, Cork; BLACK, Edinburgh; and Pxcmnn, Paris. ETHERIA.-cents'-_ Lamarek.-Annales du Mus. v. 10. t. 29--32.--Y0cents TESTA irregularis, ineq-uivalvis, adhaerens, um-i bonibus brevissimis, basi testa: subimmersis: Cardo edentulus, undatus, subsinuosus, inaequalis. Impressiones musculares duze, distantes, laterales; oblongae. Ligamentum externum, contortum, intus partim penetrans.----Lam. ' 1'? ntsr distinguished by Lamarek in the Annales du Museum On account of its irregular form and foliated structure it might be mistaken for an Ostrea, but from that it may be' distinguished by its having two oblong muscular impressions, in which character it approaches nearer to Chama, -its hinge, 'however, is toothless, and has a strong), partly internal, Y li ament. Several species are described amarck, all of W ich are found attached by the exterior of their lower valve to submarine rocks, and inasmuch as they conform to the irregularities of the place, cannot be strictly said to have any eeuliar form, the muscular impressions, however, ' are latera and rather distant. The beautiful pearly lustre of the substance of the shell in two species is much dwelt upon by Lamarek., Two circumstances observable in the specimen of Elk.' semilunata, drawn in our plate, would have induced us to suspect that this was a fresh water shell, or at least an inhabitant of asstuaries at the mouths of rivers; lst, its having an epide
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Product details

  • Paperback | 30 pages
  • 189 x 246 x 2mm | 73g
  • United States
  • English
  • black & white illustrations
  • 1236881206
  • 9781236881205