Journal of the Proceedings of the Linnean Society; Zoology Volume 5

Journal of the Proceedings of the Linnean Society; Zoology Volume 5

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1861 edition. Excerpt: ... the same, such as I possess a large example of amongst my Lanzarotan specimens. It is much too solid, thick, and heavy for a V. Neptuni or JYavicula of its size, besides being quite differently shaped, and having a deep narrow sutural channel, with the edge inflexed, round the distinct mammilla, and the shoulder rounded. The pillar is 3-plaited. There can remain, I think, no reasonable doubt of its being anything but a dwarf adult state of C. rubiginosum, /3. It is a wretched, battered, old example, ground or worn down and bleached perfectly white. No example marked by D'Orbigny V. proboscidalis, or otherwise in any way entitled to that name, exists in his Canarian collection; and I also never received from Webb any shell rightly referable thereto. This throws much doubt on D'Orbigny's enumeration of it as a Lanzarotan species found by Webb, and raises strong suspicion of confusion or mistake, arising possibly from some previous misnomer of one of the three or four examples of O. rubiginosum (Swains.), var. /3, actually obtained by Webb in Lanzarote. With a view to confirm the accuracy of the foregoing corrections, and to supply materials to Mogadorian or Canarian observers for further researches, and for the probable discovery on their shores of more than this one Cymbium, I subjoin a conspectus of the characters and synonyms of several of the more nearly allied species, as understood by me. 1. Cymbium Olla (L.). Voluta Olla, "L.= V. Neptuni, Gm., Lam. Plaits of pillar 4; shell proportionately thin and light, globose, ovate, short, inflated, ventricose; spire very short and obtuse, its mammilla indistinct, depressed, and suture obsolete, nearly or quite closed; shoulder (at top of outer lip) angular, erect, slightly prominent, rising above more

Product details

  • Paperback | 146 pages
  • 189 x 246 x 8mm | 272g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236679679
  • 9781236679673