A Treatise on Geology Volume 1

A Treatise on Geology Volume 1

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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. 1837 edition. Excerpt: ...(e. g. nucula, lingula, isocardia); but others are quite different, (as, pleurorhynchus, producta, euomphalus, goniatites, &c.) and seem to belong to another order of creation. About 60 per cent, of the species belong to extinct genera; and it is very remarkable, that brachiopodous bivalves, which, in existing nature, are perhaps to other shells as 10 in 1000, were in these ancient periods as 10 in 34. The goniatites are most EXPLANATION OF FIGURES, p. 163. 1. Producta scabriculus. Sowerby. It occurs in mountain limestone ge nerally, and in coal strata at Coalbrook Dale. 2. Producta punctata. Sowerby. Common in the carboniferous limestone. 3. Terebratula pleurodon. Phillips. Common in the carboniferous lime stone. 4. Spirifera cuspidata. Sowerby. Not rare in the carboniferous limestone. 5. Pleurorhynchus minax. Phillips. From the carboniferous limestone of Ireland, Yorkshire, Derbyshire. 6. Inoceramus vetustus. Sowerby. From the limestones and shales of the north of England, the north of Ireland, &c. 7. Goniatites sphericus. Sowerby. A common shell in the limestone. 8. Bellerophon tangentialis, Phillips. From the limestone of Ireland, Yorkshire, &c. 9. Orthoceras cinctum, Sowerby. From the limestone of Ireland, north of England. 10. Melania constricts. Sowerby. From the limestone of Derbyshire, Yorkshire, &c. 11. Pleurotomaria flammigera. Phillips. From the limestone of Bolland. 12. Natica plicistria. Phillips. From Bolland in Yorkshire, Ireland, &c. 13. Euomphalus pentagonahs. Sowerby. Common in the limestone of Ireland, north of England, &c. Its internal cavity is divided into chambers by imperforate septa, as was first noticed by Mr. W. Gilbertson of Preston. beautiful and chaiacteristic features of this...show more

Product details

  • Paperback | 102 pages
  • 189 x 246 x 5mm | 195g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236816064
  • 9781236816061