. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fig. 490.—Isotrypa conjunctiva. CelluUferons side and noiicellnliferous side, with pores on the dissepiments. tnfaria, syn. for I. conjunctiva. conjunctiva. Hall, 1881, (Fenestella con- junctiva,) Trans. Alb. Inst., vol. 10, p. 143, and Pal. N. Y., vol. 6, p. 143, Up. Held. Gr. consimilis. Hall, 1885, Rep. St. Geol., pi. 2, fig. 14, Up. Held. Gr. Labkchia, Edwards & Haime, 1851, Pol Foss. des Terr. Pal., p. 29


. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fig. 490.—Isotrypa conjunctiva. CelluUferons side and noiicellnliferous side, with pores on the dissepiments. tnfaria, syn. for I. conjunctiva. conjunctiva. Hall, 1881, (Fenestella con- junctiva,) Trans. Alb. Inst., vol. 10, p. 143, and Pal. N. Y., vol. 6, p. 143, Up. Held. Gr. consimilis. Hall, 1885, Rep. St. Geol., pi. 2, fig. 14, Up. Held. Gr. Labkchia, Edwards & Haime, 1851, Pol Foss. des Terr. Pal., p. 297. [Ety. proper name.] Bryozonm laminar, in- crusting, or attach^'l by part of the base, and having the remainder cov- ered by an epitheca; surface covered with rounded or elongated, solid, tu- bercles, separated by an imperforate cal- careous membrane; internally it con- sists of vertical columns extending from the epitheca below, and terminating above in the surface tubercles, the in- terspaces between the columns consist- ing ot lenticular vesicles, the uppermost layer of which gives rise to the seem- ingly imperforate membrane between the tubercles. Type L. conferta. Prob- ably this genus belongs to the Protozoa, ard is related to the sponges, montifera, Ulrich, 1886, Cont. to Am. Pal., p. 33, Hud. Riv. Gr. Leioclkma, Ulrich, 1882, Jour. Cin. Soc. Nat. Hist., vol. 5, p. 141. [Ety. km, smooth; Mena, twig.] Ramose, lamel- late, or parasitic; surface even; cell- mouths small, rounded, surrounded l)y interstitial cells; tubes thin-walled; diaphragms remote; acanthopores abundant. Tvpe L. punctatum. araneum, Ulrich, (in presf.) Geo. Sur. 111., vol. 8, pi. 75. Kaskaskia Gr. foliatum, Ulrich, (in press,) 111., vol, 8, p. 301, Warsaw Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Miller, S. A


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Keywords: ., boo, bookcentury1800, booksubjectgeology, booksubjectpaleontology