Report of the Board of Regents Volume 36

Report of the Board of Regents Volume 36

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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. 1883 edition. Excerpt: ...Crinoidea. Carpenter (P. Herbert). The minute Anatomy of the Braohiate Echinoderms. Quart. Jottrn. MUr. Sc., v. 21, pp. 164-193, 2 pi. Carpenter (P. H.). On two new Crinoids from the Upper Chalk of Southern Sweden. With 1 pi. Quart. Journ. Geol. Soc. London, v. 37, pp. 128-136. Wachsmuth (Charles) and Frank Springer. Revision of the PalsBOcrinoidea. P. II. Family Sphseroidocrmidae. Proc. Jcad. Nat. Sc. Phita., 1881, pp. 177-414, 3 pi. Echinoidea. Bell (F. Jeffrey). Observations on the characters of the Echinoidea. IV. The Eohinometridte: their Affinities and Systematic Position. Proc. Zool. Soc. London, 1881, pp. 410-433. j.i.riol (P. de). Monographic des Echinoidea contenus dans les couches nummulitiques de l'Egypte. Mim. Soc. Phye. et d'Bist. Nat. de Geneve, v. 27, pp. 59-146,2 pi. Ophiuroidea. Lyman (Theodore). The stomach and genital organs of AstropbyticUe. Bull. Mus. Comp. Zool., v. 8, pp. 117-125, 2 pi. Solothuroidea. Lndwig (Hub.). Revision der Mertens-Brandt'schen Holothurien. Zeitschr. f. Kiss. Zool., v. 35, pp. 575-599. The star-fishes and diagnostic formulae for them. The genus containing the common star-fish of the coasts of the New England and Middle States, has been re-examined by Prof. F. J. Bell. The name Asterias is retained for the geuus, and 79 species are admitted as distinct. These are distributed under several successively narrowed series of groups, and a peculiar diagnostic system or formula is proposed to make known in terse form the various combinations of characters. They are distinguished (1) by the number of rays, whether live (pentactinida) or more (heteractinida); then (2) by the number of matlrcporic plates, whether one (monoplacid) or more polyplacid); (3) by the number of spines bordering the ambulacra, more

Product details

  • Paperback | 370 pages
  • 189 x 246 x 20mm | 658g
  • United States
  • English
  • black & white illustrations
  • 1236793846
  • 9781236793843