Bulletins of American paleontology . <.^ y\ Fig. 210. CilAMA CORTICOSA.—(Fig. 210.) Shell thick, sqnamose, orconcentrically laminated andimbricate; lamina striated, sin-istral, interiorly:npper valve Hat. Fignre low-er valve natural size. Abun-dant in the miocenc of iSTorth-Carolina, especially on tlioCape Fear. en AM A COXO UTXi ATA. Shell thick, orbicular, ^vithits surface composed of plater-n- lamina; m the flat valve the plates are crcnnhited or CHAMA STRIATA.—N. S. (Fig. 211.) FiR- 211. Shell small, ovate, rather thick for its size lower valve distinctly striate.
Bulletins of American paleontology . <.^ y\ Fig. 210. CilAMA CORTICOSA.—(Fig. 210.) Shell thick, sqnamose, orconcentrically laminated andimbricate; lamina striated, sin-istral, interiorly:npper valve Hat. Fignre low-er valve natural size. Abun-dant in the miocenc of iSTorth-Carolina, especially on tlioCape Fear. en AM A COXO UTXi ATA. Shell thick, orbicular, ^vithits surface composed of plater-n- lamina; m the flat valve the plates are crcnnhited or CHAMA STRIATA.—N. S. (Fig. 211.) FiR- 211. Shell small, ovate, rather thick for its size lower valve distinctly striate. Isually foun*in the hollow or inside of the univalves. 198 Bulletin 249 north-caholina geological survey. 289 FAlVnLT CYPRINIDAE. Shell regTilar, equivalve oval or elongated; valve close,solid ; epidermis thick and dark ; ligament external, conspic-uous cardinal teeth 1—3 in each valve ; pedal scars close toor confluent with the adductors ; pallial line simple.—Wood-ward. ASTARTE Shell small, thick, compressed, smooth or concentricallyfurrowed ; Innule impressed ; ligament external; hinge teeth2—2 ; anterior tooth in the right valve large and thick. ASTARTE CONCENTKICA. (Fig. 212.) Shell small, thick, triangular, compress-ed, concentric; furrows close and regular ;\. umhones acute, recurved; margin cre-j nate. It is about one inch long, and oiiobroad. It is rather common in the mio--—i— cene of Xortli-Carolina. ASTARTE UNDULATA. (Fig. 213.) The broad, va
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Keywords: ., bookcentury1800, bookdecade1890, bookidbulletinsofa, bookyear1895
