. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 172 Distinguishing CJmriicters. âFree or iiicrustiiig lamellate expansions, or masses, formed bv siij)ei'position of successive layers of growth; tubular cells, recumbent for a short distance, but chiefly at right angles or oblique to surface; oval or nearlv circular of mi 'â 0P'.^f ^"^^1 apertures, usually a little ob- licpie to the surface; prominent ^^';9i-^ rounded monticules, bearing an elongate depression in the center, which is destitute of cells: large cell apei-tures adjacent to the depres- sions ; r
. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 172 Distinguishing CJmriicters. âFree or iiicrustiiig lamellate expansions, or masses, formed bv siij)ei'position of successive layers of growth; tubular cells, recumbent for a short distance, but chiefly at right angles or oblique to surface; oval or nearlv circular of mi 'â 0P'.^f ^"^^1 apertures, usually a little ob- licpie to the surface; prominent ^^';9i-^ rounded monticules, bearing an elongate depression in the center, which is destitute of cells: large cell apei-tures adjacent to the depres- sions ; radiating rows of apertures, giving the monticules a stellate appearance. Found in the Demissa bed of Sections (massivespecimens). Fig. 66A. LiclienaUd stellata. Portion of the surface enlarged, x 6 (after Hall and Simpsou). Genus STICTOPORA. Hall. (1847: Pal. K Y., Vol. I., p. 73.) [Ety. : Stiff'js, punctured : poros, pore.] Bryozoiim consisting of thin, flat branches with a lenticu- lar cross-section, and attached by a s[)reading base to for- eign objects. Cells in two series, separated by a median wall or mesotheca, each series having its apertures on one of the flat sides. Margin without cells. Stictopoka ixcisurata. Hall. (Fig. 67.) (Pal, X. Y., Vol. YL. p. 241, PI. LX.). Distinguisliing Clia. ra c Fig. (JT. i^tictopora incisurata. Natiu'al size and a portion enlarged (after Hall and Simpson). ters. â Elongate oval to nearly circular apertures in longitudinal diverging lines, increasing by interstitial ad- ditions; marginal apertures largest; peristomes strong;. 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 Buffalo Society of Natural Sciences. Buffalo, N. Y. : Buffalo Society of Natural Sciences
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