. Bulletin - New York State Museum. Science. NIAGARA FALLS AND VICINITY 167 Found abundantly in the Bryozoa beds of the Rochester shales, at Niagara, also at (^,- Lockport (Hall). ''''-^ ' Trematopora (?) striata Hall -'" (Fig. 66) (1852. Pal. N. Y. - 2:153, pi. 40A, fig. 7a-d and 8a-b) -^^^ ~ Disti]igu{sliijig characters. Expanded at the base; strongly 'â¢'.,â¢' â ' , striated; slender, cylindric, . -' -^ scarcely tapering branches; ob- / long oval apertures distant ^~ .^-^ '^ from each other about the "^ 1.:-'' Width of the aperture; intera- Fig-66 Trematopora (?) striata much enla
. Bulletin - New York State Museum. Science. NIAGARA FALLS AND VICINITY 167 Found abundantly in the Bryozoa beds of the Rochester shales, at Niagara, also at (^,- Lockport (Hall). ''''-^ ' Trematopora (?) striata Hall -'" (Fig. 66) (1852. Pal. N. Y. - 2:153, pi. 40A, fig. 7a-d and 8a-b) -^^^ ~ Disti]igu{sliijig characters. Expanded at the base; strongly 'â¢'.,â¢' â ' , striated; slender, cylindric, . -' -^ scarcely tapering branches; ob- / long oval apertures distant ^~ .^-^ '^ from each other about the "^ 1.:-'' Width of the aperture; intera- Fig-66 Trematopora (?) striata much enlarged pertural space with continuous groove. Found in the Rochester shale at Lockport (Hall), probably also at Niagara. Genus callopora Hall (emend. Ulrich) [Ety.: -/.dlXo^^ beauty; -6po?, pore] (1852. Pal N. Y. 2 :i44) Zoarium usually ramose, the branches frequently anastomosing and forming bushy clumps; zooecia at first prismatic, four to eight sided, gradually becoming cylindric in most cases; at first with closely set diaphragms, becoming more distant, finally in the mature region usually closely set; apertures closed at times by perforated, often ornamental covers; mesopores more or less numerous, angular, crowded with diaphragms. No acanthopores. Callopora eleg-antula Hall (Fig. 6^) (1852. Pal. N. Y. 2 1144, pi. 40, fig. la-m) Distinguishing characters. Cespitose or fruticulose groups of small stems frequently branching; branches bifurcating or variously diverging from the stem; solid; extremities often hollow or cup-like indentations, also blunt; apertures circular, the opercula or covers. 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; New York State Museum. Albany : New York State Education Dept
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887