. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 156 PLATES. Poly(;nathus PENXATUS. Hinde. (Fi<;-. 39.) ((iu;iit. Jour. Geol. Soc, Vol. XXXV., p. 366, PI. XVII.) Distinguishing Characters.— P^loiiuate. ovnl out- line; (le|)ressed long'itudiiial furrow; slender cen- tral keel, produced beyond main portion, and bearing tubercles; lateral ridges. Found in the Conodont bed of the (ienesee, at Section 1 (abundant). (Hinde.) PoLYuxATiirs Tri$i:i{( Hinde. (Fig. 40.) (Quart. Join-. Geol. Soc, Voh XXXV., p. 366, PI. XVH.) Distinguishing Characters.— L()bate f


. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 156 PLATES. Poly(;nathus PENXATUS. Hinde. (Fi<;-. 39.) ((iu;iit. Jour. Geol. Soc, Vol. XXXV., p. 366, PI. XVII.) Distinguishing Characters.— P^loiiuate. ovnl out- line; (le|)ressed long'itudiiial furrow; slender cen- tral keel, produced beyond main portion, and bearing tubercles; lateral ridges. Found in the Conodont bed of the (ienesee, at Section 1 (abundant). (Hinde.) PoLYuxATiirs Tri$i:i{( Hinde. (Fig. 40.) (Quart. Join-. Geol. Soc, Voh XXXV., p. 366, PI. XVH.) Distinguishing Characters.— L()bate foi-ni: ])roduced and tuberculated cen- ti'al keel; converging rows of tubercles ; reverse side smooth. Found in the (,'onodont bed of the Genesee, at Section 1. ( Hinde.) Polygnathus CRiSTATUs. Hinde. (Fig. 41.) (Quart. Jour. Geol. Soc. Vol. p. 366, PI. XVH.) Distinguisliing Characters.— ()\'al outline, depressed convex expression: prominent cren- ulated keel; tAvo I'ows of tul)ercles on either Fig. 41. Puhjgna- side of kccl. thus cristatiis, x 13 n • i < (after Hinde). Fouud ui the ( ouodout bed oi the Genesee, at Secti<m 1. (Hinde.) Poly a x a thus triw atus. Hinde. (Fig. 42.) (Quart. Jour. (leol. Soc, Vol. ]). 366, PI. XVIL) Distinguishing Cliaracters. — Sub-tri- angular outline of plate; median keel, not extended ; convex, tuljerculated sur- face. Found in the Conodont bed of the Genesee, at Section 1. (Hinde.) Fig. 40. F'i)Ii/gnaflttiti tuber culutus, X 13 (after Hinde).. Fig. 43. Poh/f/nathiis truncatus and P. tniiira- tus, var. X 13 (after Hinde).. 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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