. Catalogue of casts of fossils, from the principal museums of Europe and America, with short descriptions and illustrations. Fossils. 120 MOLLUSC A. No. 482. Ammonites cordatus, Sow. This, a young shell, shows the cordate keel from which the specific term is derived, and which assigns the species to the group "; From the Oxford Clay (Middle Oolite), and now in the Ward Museum, University of Ro- chester. Price, $ No. 483. Ammonites cordatus, Sow. This is the internal cast of an unusually large specimen of this interesting species. It shows the spherical character of th
. Catalogue of casts of fossils, from the principal museums of Europe and America, with short descriptions and illustrations. Fossils. 120 MOLLUSC A. No. 482. Ammonites cordatus, Sow. This, a young shell, shows the cordate keel from which the specific term is derived, and which assigns the species to the group "; From the Oxford Clay (Middle Oolite), and now in the Ward Museum, University of Ro- chester. Price, $ No. 483. Ammonites cordatus, Sow. This is the internal cast of an unusually large specimen of this interesting species. It shows the spherical character of the very old form, and the great size of the last chamber. From the Middle Oolite of France. Diameter, 11. Price, £ No. 484. Ammonites cordatus, Sow. Internal cast of the adult shell showing the foliations. From the Oxford Clay (Middle Oolite), Calvados, France, and now in the Ward Museum, University of Eochester. Diameter, 7 Price, $ No. 485. Ammonites cordatus, Sow. From the same locality as the preceding, and now in the private Geological Cabinet of Mr. Ward, Rochester. Price, $ No. 486. Ammonites coronatus, Brug. This species from the Middle Oolite, very much resembles A. gigas, Ziet. of the Upper Oolite. It is the type of Von Buch's group, "; From Villere, France, and now in the Ward Museum, University of Rochester. Price, $ No. 487. Ammonites coronatus, Brug. Younger Shell. From the same locality and Museum as the preceding. Price, $ No. 488. Ammonites comucopise, D'Orb. This elegant Ammonite very closely resembles A, firribriatus, Sow., but is considered by D'Orbigny a distinct species. Its several whorls are coiled quite loosely and taper very rapidly towards the centre of the shell. From the Upper Lias, Verpilliere, France, and now in the Ward Museum, University of Roches- ter. Diameter, 12. Price, $ No. 483. Ammonites crassus, Phil. This is one of the forms closely allied to the A. communis, from which it appears to diffe
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectfossils, bookyear1866
