The Shipley Collection of Scientific Papers Volume 77

The Shipley Collection of Scientific Papers Volume 77

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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. 1900 edition. Excerpt: ... average about 350 fi, and the B forms about 450 /. 9. S. buskii, n. sp. Figs. 13, 33--35. Membranipora magnilabris (part), Busk, 'Brit. Mus. Cat., ' ii, 1854, p. 62. B zocecia much less than twice as large as A zocecia. Cryptocyst descending gradually and slightly, without angulation, joining the distal wall at a high level. Median process wide and short in A zocecia, much narrower in B, its distal border usually produced into projecting points; its cavity shallow, limited beneath by the descending cryptocyst, and distally by the roof of the tube. Opening of tube nearly horizontal, entirely visible from above, completed by the distal wall iu both A and B. Oral shelf not much more developed in B than in A. B opercula with A-shaped main sclerite, with numerous small submarginal teeth, sometimes vestigial, the series beginning near the proximal end of the operculum. Parallel portions of the halves of the main sclerite of moderate length, the arch formed by the proximal parts wide and evenly rounded. A opercula undifferentiated. (a) Port Elizabeth, Cape Colony, Miss B. C. Jelly (C. M., 24.5.95). (b) Algoa Bay (three slides), Busk Coll. (B. M., 99.7.1, 404--406). (c) Shahr, South Arabia (B. M., 94.6.13, 7a). (d) Reef in Talisse Island, North Celebes, Professor S. J. Hickson (C. M.). (e) Thursday Island, Torres Straits, four fathoms, H.M.S. " Alert" (B. M., 82.2.23, 512). (/) Australia (B. M., 50.8.23, 9). This species is named in honour of Mr. Busk, to whom the first description of a species of Steganoporella is due. The examination of the three slides (b) from Mr. Busk's collection in the possession of the British Museum shows that the original description of S. magnilabris (but not the figure) was based on two distinct...show more

Product details

  • Paperback | 162 pages
  • 188.98 x 246.13 x 8.89mm | 303.91g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236936299
  • 9781236936295