Bulletins of American paleontology . North Carolina Geol. Sur.: Emmons 141 232 nokth-cakolina geological survet. Crown only slightly oblique, rather thick, but comparative-ly narrow, but wide at base, and armed with serrated wing-lets, pointing upwards and outwards; the serratures are strong-er than those upon the crown ; roots massive, and sej)aratedby a distinct arch. Figure 5S, a tooth which should probablyreferred to this species, though the arch of the root is flatter. Prof. Gibbs, on the authority of Prof Agassiz, has mergedin the carcharodon angustidens, the following species: C. lan-ce

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Bulletins of American paleontology . North Carolina Geol. Sur.: Emmons 141 232 nokth-cakolina geological survet. Crown only slightly oblique, rather thick, but comparative-ly narrow, but wide at base, and armed with serrated wing-lets, pointing upwards and outwards; the serratures are strong-er than those upon the crown ; roots massive, and sej)aratedby a distinct arch. Figure 5S, a tooth which should probablyreferred to this species, though the arch of the root is flatter. Prof. Gibbs, on the authority of Prof Agassiz, has mergedin the carcharodon angustidens, the following species: C. lan-ceolatus, C. heterodon, C. megalotis, C. semi-serratus, C. au-riculatus, C. turgidus, C. semi-serratus, and C. toliapicus, onthe ground that they are insufficiently characterized and notclearly distinguishable from each other. CAKCHARODON TRIANGULxVRIS, N. S. (Fig- 59.) Crown of the tooth rather thin ; the posterior faces of thecrown meeting in the central line at an obtuse angle, but upon Fig. 59.

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Keywords: ., bookcentury1800, bookdecade1890, bookidbulletinsofa, bookyear1895