. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. NIAGARA FALLS AND VICINITY 169 Phylloporina asperato-striata (Hall) (Fig. 68). Retepora asperato-striata Hall (1852. Pal. Ar. Y. 2:161, pi. 40C, fig. 2a-h) Distinguishing characters. Network of anastomosing branches, with oval interstices which are somewhat unequal; outer face roughly striate; inner face poriferous; three, four or more rows of oval or subangular cells arranged somewhat in oblique parallel lines or in quincunx order; apertures in perfect specimens probably with peristomes. Found abundantly in the B
. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. NIAGARA FALLS AND VICINITY 169 Phylloporina asperato-striata (Hall) (Fig. 68). Retepora asperato-striata Hall (1852. Pal. Ar. Y. 2:161, pi. 40C, fig. 2a-h) Distinguishing characters. Network of anastomosing branches, with oval interstices which are somewhat unequal; outer face roughly striate; inner face poriferous; three, four or more rows of oval or subangular cells arranged somewhat in oblique parallel lines or in quincunx order; apertures in perfect specimens probably with peristomes. Found abundantly in the Bryozoa beds of the Rochester shale at Niagara. Generally adhering to the shale laminae by the cellulifer- ous face. Also at Lockport (Hall). Genus drymotrypa Ulrich [Ety.: , coppice; rpu-a, perforation] (1890. Gcol. sur. Illinois. 81399) Zoarium branching dichotomously at frequent intervals; zooecia in several ranges, tubular, opening on one side only and springing from a thin double plate, beneath which a number of vesicles are â xrrrm â. j Fig. C9 Drymotrypa diffusa with eelluliferous and non-celluliferous side3 enlarged present; reverse side longitudinally striated; vestibules expanding from the orifices to the angular apertures. Drymotrypa diffusa (Hall) (Fig. 69) Retepora diffusa Hall (1852. Pal. N. Y. 2 :i6o, pi. 40C, fig. ia-f) Distinguishing characters. Shrubby form, several stems originat- ing from a common base; stems frequently bifurcating and spread- ing laterally, forming a broad frond; stems and branches cellulifer-. 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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