Bulletins of American paleontology . warch. This tooth scarcely exhibits the usual convexities of eitherface ; the faces being bounded by plane surfaces, the meetingof which give an obtuse angle when obtained by a centralsection through the crown. It belongs to the eocene, and wasobtained from a bed near Xewbern. c. CRAsiT)Ei>[s, N. s. (Fig. 59, a.)Tooth sub-conical, thick, sliglitly oblique ; inner face very convex, outer flat at base, evenly but flatly convex near tlie apex, with an inconsiderableridge extending from thebase to a point near the apex,and somewhat ridged acrossthe whole of
Bulletins of American paleontology . warch. This tooth scarcely exhibits the usual convexities of eitherface ; the faces being bounded by plane surfaces, the meetingof which give an obtuse angle when obtained by a centralsection through the crown. It belongs to the eocene, and wasobtained from a bed near Xewbern. c. CRAsiT)Ei>[s, N. s. (Fig. 59, a.)Tooth sub-conical, thick, sliglitly oblique ; inner face very convex, outer flat at base, evenly but flatly convex near tlie apex, with an inconsiderableridge extending from thebase to a point near the apex,and somewhat ridged acrossthe whole of the base of theouter face ; serrae, sub-equal,and armed with serrate wingsat base ; root thick and pro-minent on the inside; en-amel extends on the outerface to the root, and is ex-tended continuously over thewings. This tooth belongsto the eocene at is distinguishable from oth-er teeth belonging to thisorder of flshes, by its veryunitbrm degree of thicknessfrom the base of the root, near its termination, at the CARCnARODON CONTORTIDENS. N. S. (Fig. 60.) Tooth an irregular cone, with the crown twisted near thesummit; base of the root nearly plane, with the branchesprojecting upwards, rather than downwards, so much so as tostand upright when placed upon its base; inside the base North Carolina Geol. Sur.: Emmons234 north-carolina geological survey. 143 projects enormously inward ; enamel thin ; serratures small,subequal; inner face very convex; outer nearly flat at base,but traversed longitudinally by an inconsiderable prominence. Fig. 58.
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Keywords: ., bookcentury1800, bookdecade1890, bookidbulletinsofa, bookyear1895
