. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 171. in the center; triang'nUir spinnles at anolew of cell rims, sometimes on sides. Fonnd in the Demissa and Stictopora beds, at Section .'). Paleschaka RETK'Tr>ATA. Hall. (Fio-. 66.) (3d Ann. Rep't N. Y. State Geol., p. 6.) Distinguishing Clmrncters.—Thin incrustation; pentagonal, hexago- nal, or quadrangular cells, .35 mm. in diameter, in contact, and vari- ously disposed; general appearance ^C p„ „pj. i* I J. -J- Fig. 6fi. Paleacltura reticulattt. Ol SUrtace Otten reticulate; mmute a froud encrusting a cora
. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 171. in the center; triang'nUir spinnles at anolew of cell rims, sometimes on sides. Fonnd in the Demissa and Stictopora beds, at Section .'). Paleschaka RETK'Tr>ATA. Hall. (Fio-. 66.) (3d Ann. Rep't N. Y. State Geol., p. 6.) Distinguishing Clmrncters.—Thin incrustation; pentagonal, hexago- nal, or quadrangular cells, .35 mm. in diameter, in contact, and vari- ously disposed; general appearance ^C p„ „pj. i* I J. -J- Fig. 6fi. Paleacltura reticulattt. Ol SUrtace Otten reticulate; mmute a froud encrusting a coral; natural • , .••• \ 11 j_-i t ~ size, and a portion of the surface mtei-Stltml cells; monticules 4 or O enlarged, showing the monticules. ,. , . From the Demissa bed. (Original.) mm. distant; central space \\\W\ cells .45 or .50 mm. in diameter; marginal spinnles in well- preserved specimens. Found in the Demissa bed, at Section 5. Paleschara AMPLEL'TENS. Hall. (Xothgurcd.) (3d Ann. Rep't X. Y. State Geol., p. 7.) Distinguisliing i'lmrncters. — Extremely thin incrustation, commonly on crinoid stems; quadrangular to hexagonal cells, 2 mm. in diameter; minute marginal nodes or spin- nles; no monticules or macul;e, but cells all of same size. Found in the Demissa bed, at Section 5 (rare). Gexus LTCHENALIA. Hall. [Ety. : From resemblance to a lichen.] (1852: Pal. X. Y., Vol. 11., p. 171.) Zoarium massive, or growing in circular or flabellate expansions, celluliferous on one side, the other covered with an epitheca. Cells arising from the epitheca, with transverse tabuhp, and circular or trilobate, sometimes operculate, apertures, which ai*e often denticulate, and have the pos- terior portion of the peristome arched and elevated. Space between apertures smooth. Intercellular spaces vesicular. LiCHENALiA stellata. (Fig. ()6A.) (Pal. \. Y., Vol. VI., p. 195, PI. LVIII.). Please note that these images are extracted from scanned page images that may have been dig
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