. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 222 Fui. 131A. Treinatospira gibboaa. Dorsal, ventral, cardinal, profile, and front views of a characteristic individual (from Hall.) sinus; zio-zap; lines, formed bv concentric lamellfe of growth, in crossin<!,' ])lications: <;rannlose character of surface. Found in the Hamilton ^rouj), at Eighteen Mile Creek. (Coll. Am. Mus. Nat. Hist. New York.) Genus NUCLEOSPIRA. Hall. - [Ety. : Nucleus, kernel ; sjrini, spire.] ()9: 12th Rep't N. Y. State Cab. Nat. Hist., p. 24. 1893: Pal. N. Y., Vol. VIII., Pt. II.
. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. 222 Fui. 131A. Treinatospira gibboaa. Dorsal, ventral, cardinal, profile, and front views of a characteristic individual (from Hall.) sinus; zio-zap; lines, formed bv concentric lamellfe of growth, in crossin<!,' ])lications: <;rannlose character of surface. Found in the Hamilton ^rouj), at Eighteen Mile Creek. (Coll. Am. Mus. Nat. Hist. New York.) Genus NUCLEOSPIRA. Hall. - [Ety. : Nucleus, kernel ; sjrini, spire.] ()9: 12th Rep't N. Y. State Cab. Nat. Hist., p. 24. 1893: Pal. N. Y., Vol. VIII., Pt. II., p. 142.) Shells usually small: sub-circular in outline; biconvex, with the valves nearly equal, often gibbous. A small area is present on the pedicle valve, but it is obscured by the incurv- ature of the beak. Strong teeth, and a median septum occur in the |)edicle valve. Surface in perfect specimens covered with numerous long, slender spines, smooth in worn or mac- erated specimens. Brachidium a double spire. Nugleospira concinna. Hall. (Fig. 132.) (Pal. N. Y., Vol. IV., p. 270, PI. XIV.) Distinguishing Cliaracters.— Nearly circular outline; sub- erpially convex valves; median septum (or its impression in the internal mold): surface 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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