Manual of the New Zealand Mollususca; A Systematic and Descriptive Catalogue of the Marine and Land Shells, and of the Soft Mollusks and Polyzoa of New Zealand and the Adjacent Islands

Manual of the New Zealand Mollususca; A Systematic and Descriptive Catalogue of the Marine and Land Shells, and of the Soft Mollusks and Polyzoa of New Zealand and the Adjacent Islands

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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. 1880 edition. Excerpt: ...1859, /. 202, //. 46. Like 5. elegans, but rather larger, more depressed, more strongly ornamented, and a longer scissural band (Woodward.) New Zealand (W. Mantell, ) among iron-sand. For a figure of S. elegans, see Chenu, f. 2717, p. 364. o 104 FAMILY--HALIOTIDE. Radula with a small median tooth, flanked by two beam-like laterals and numerous uncini with denticulated hooks, the four inner being very large. Head with a short broad muzzle; tentacles subulate, with the eyes on stout cylindrical peduncles at their outer bases, and with a fimbriated lobe, or an emarginate veil between them. Mantle margin fissured in front, the left lobe elongated into an anal siphon, occupying the anterior perforation of the shell; gills two, unequal. Foot thick and fleshy, the sides with a double membrane, furnished with serrated lobes and filaments on the edges, and continued anteriorly in a free crest under the head. Operculum none. Shell ear-shaped; aperture large, nacreous and iridescent internally, perforated with a series of holes. Genus, HALIOTIS--Linnseus. Ear-shaped, with a small flat spire; aperture very wide, iridescent, exterior striated, dull; outer angle perforated by a series of holes, those of the spire progressively closed; muscular impression horse shoeshaped, the left branch greatly dilated in front. H. iris, Martyn; Lamark, I.c., ix., p. 23; Reeve, Conch. V., f. 37. Spire small, obtuse; outer lip continuous and produced beyond the body whorl; columella slightly concave, the posterior end not curved into a spiral; outside rugose, plicated; outside pale brownish-white; interior dark metallic-blue and green, with yellow reflexions and an iridescent play of colours; paler in the young. Breadth, about 6-5 inches. Common. Chatham Islands...show more

Product details

  • Paperback | 104 pages
  • 189 x 246 x 6mm | 200g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236789199
  • 9781236789198