. Annual report of the Regents. New York State Museum; Science. 164 NEW YORK STATE MUSEUM Chilotrypa ostiolata (Hall) (Fig. 60). Trematopora os- t i 6 1 a t a Hall (1852. Pal. N. Y. 2 1152, pi. 40A, fig. 5a-n) Distinguishing characters. Irregularly branching cylindric stems gradually tapering toward the extremities, which are obtuse; aper-. /^: /^> ^,';''?^ -i. ^-'^'i \% ^-'^^ U i * ^'^ M y^4 Fig. 60 Chilotrypa ostiolata; branch natural size and two enlargements tures about their diameter apart, arranged in spirally ascending lines or irregularly; strong peristomes; interapertural spaces
. Annual report of the Regents. New York State Museum; Science. 164 NEW YORK STATE MUSEUM Chilotrypa ostiolata (Hall) (Fig. 60). Trematopora os- t i 6 1 a t a Hall (1852. Pal. N. Y. 2 1152, pi. 40A, fig. 5a-n) Distinguishing characters. Irregularly branching cylindric stems gradually tapering toward the extremities, which are obtuse; aper-. /^: /^> ^,';''?^ -i. ^-'^'i \% ^-'^^ U i * ^'^ M y^4 Fig. 60 Chilotrypa ostiolata; branch natural size and two enlargements tures about their diameter apart, arranged in spirally ascending lines or irregularly; strong peristomes; interapertural spaces smooth; stems soHd or incrusting crinoids. Found abundantly in the Bryozoa beds of the Rochester shale and in some of the calcareous layers below it in the Niagara sections. .#. .1 Also at Lockport, etc. (Hall). 'C'^, Fig fil Batostomella granulifera with en largement of part of surface Genus batostomella Ulrich [Ety.: jSarug, bramble; aroiia, mouth] (1882. Cin. soc. nat. hist. Jour. 5:154) Zoarium ramose, branches slen- der; zooecia with thick walls in the mature region and with few diaphragms in the peripheral region, often centrally perforated; apertures small, circular or oval; inter- spaces rounded or canaliculate, spinulose; acanthopores small and usually very numerous; mesopores small, with subcircular openings. Batostomella granulifera (Hall) (Fig. 61). Trematopo'ra granulifera Hall ( Pal. N. Y. 2 :i54, pk 40A, fig- 9a-e) Distinguishing characters. Slender branches; oval to elongate apertures, margined by wavy, raised, granulose hues, which are double between the 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 New York State Museum; University of the State of New York. Board of Regents. Albany : J. B. Lyon, State Printer
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