. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 'J to shows a distinct revolving- band formed by the backward bending of the lines of growth near the snture, the lip thus having a deep emargination or sinns, as in Plenrotoniaria ; the early stages of the shell are typical of the species; surface reticulate by re\'olving 8trifT crossed by the lines of growth. Found associated with Stictopora and Spirorbis, in the Demissa (?) bed (one specimen. Fig. 200a. Platyos- toma linenta, var. emarginata. Summit view. (Original.) Genus LOXONEMA. Phillips. [Ety. : Loxos, obl
. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 'J to shows a distinct revolving- band formed by the backward bending of the lines of growth near the snture, the lip thus having a deep emargination or sinns, as in Plenrotoniaria ; the early stages of the shell are typical of the species; surface reticulate by re\'olving 8trifT crossed by the lines of growth. Found associated with Stictopora and Spirorbis, in the Demissa (?) bed (one specimen. Fig. 200a. Platyos- toma linenta, var. emarginata. Summit view. (Original.) Genus LOXONEMA. Phillips. [Ety. : Loxos, oblique ; nema, thread.] (1841 : Pal. Foss. Cornwall, etc., p. 98.) Shell elongate, with a tall spire composed of many whorls. The aperture is simple, narrow above, ample below. The lines of growth are doubly curved, and there is no umbilicus. LOXOXKMA HAMILTONLK. Hall. (Fig. 201.) (Pal. N. Y., Vol. v., Pt. p. 45, PL XIII.) Distinguishing Chnracters.— Large number (about thirteen) of volutions, gradually increasing in size; ventricose body-whorl; ovate apertui-e, narrowing l^elow; distant curving stride, which bend gently backAvard from the suture, and forward from the l)ase of the volution, with the greatest curve in the middle Found * * * " at Eighteen Mile Creek " * * * (Hall), in the Strophalosia bed wherever exposed (common). LoXONEMA DELPHICOLA. Hall. (Fig. 202.) (Pal. N. Y., Vol. Y., Pt. II., p. 47, Pis. XIII., XIY.) Distinguisliing Char act e rs. — Sm aller number of volutions than preceding (about eight); flattening of whorls; strong striai^, bent slightly back for a short distance J^t-clla (afterTair Fig. 201. Loxone- nia hamiUonioi (af- ter Hall).. 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 Scienc
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