. Appendix to the Manual of Mollusca of Woodward, : containing such recent and fossil shells as are not mentioned in the second edition of that work . s, Eaulin. Shell subglobose, thick, umbilicated; spire short; apertureentire, semicircular, oblique ; columella oblique ; callosity den-ticulated ; umbilicus covered by the callosity; right lip acute,smooth internally. This genus presents a very remarkable combination of thecharacters of Natica and Nerita, and appears to establish a pas-sage between these two genera, types of distinct families. Distribution, 2 species. Oligocene and
. Appendix to the Manual of Mollusca of Woodward, : containing such recent and fossil shells as are not mentioned in the second edition of that work . s, Eaulin. Shell subglobose, thick, umbilicated; spire short; apertureentire, semicircular, oblique ; columella oblique ; callosity den-ticulated ; umbilicus covered by the callosity; right lip acute,smooth internally. This genus presents a very remarkable combination of thecharacters of Natica and Nerita, and appears to establish a pas-sage between these two genera, types of distinct families. Distribution, 2 species. Oligocene and Miocene. Paris andBordeaux Basins Ptycho stoma, Laube. Fossil, 3 species. St. Cassian. [Family CancellaridjE.] The genera are— Cancellaria {Admete, p. 216), Trichotropis (p. 216),? Cerithiopsis (p. 242), ? Separatista, and Purpurln-a,* DOrbigny, 1850 (p. 222).Type, Purpurina Bellona, DOrbigny, Fig. 12. * This genus has been the subject of careful research and revision by Deslongchamps and Piette ; and I think it advisable to replace the charactersof this group, given in p. 222 of the Manual, by those emended by the authors Fig. 12 Tarpvrina GASTEROPODA. Shell oval, elongated, ventricoso, thick;whorls rounded or rendered angular by theupper portion being channelled ; last whorlmuch developed. Ornamentation usually oflarge longitudinal ribs, crossed by numerousstriae ; aperture large in the young state,slightly notched in front; columella rounded ;umbilical groove deep, narrow, but well de-fined. Fossil, 8 species. Inferior Oolite—KellowayEock. England, France, Germany. * bellona. Torellia (Loven), Jeffreys, 1867. Dedicated to Dr. Otto Torell, of Norway. Type, T. vestita, Jeffreys. Shetland and Norway. Animal with the produced lips and lingual dentition ofCapidus. Shell globose, covered with a velvety epidermis; spire veryshort ; apex depressed ; aperture roundish ; pillar with a blunttubercle at its base; groove internal, scarcely perceptible
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Keywords: ., bookcentury1800, bookdeca, booksubjectmollusks, booksubjectshells
