. Annual report of the regents of the university of the state of New York on the condition of the State Cabinet of Natural History and the historical and antiquarian collection annexed thereto. [Assembly, No. 136 26 PLATE XII. [Assembly Fossils of the Marcellus shale. 1. Orthoceras subulatum. 2. Strophomena setigera. 3. s. mucronata. 4. s. pustulosa. 5. avicula mucronata. 6. A. L^vis. 7. a. equilatera. 8. Orthis nucleus. 9. DiSCINA MINUTA. 10. Tentaculites fissurella. 11. Atrypa limitaris. Fossils of the Hamilton group (p. 67). CORALS. 12. Strombodes simplex (a small parasitic coral or bryozoo
. Annual report of the regents of the university of the state of New York on the condition of the State Cabinet of Natural History and the historical and antiquarian collection annexed thereto. [Assembly, No. 136 26 PLATE XII. [Assembly Fossils of the Marcellus shale. 1. Orthoceras subulatum. 2. Strophomena setigera. 3. s. mucronata. 4. s. pustulosa. 5. avicula mucronata. 6. A. L^vis. 7. a. equilatera. 8. Orthis nucleus. 9. DiSCINA MINUTA. 10. Tentaculites fissurella. 11. Atrypa limitaris. Fossils of the Hamilton group (p. 67). CORALS. 12. Strombodes simplex (a small parasitic coral or bryozoon is at- tached on it). 13. Same, end or cup. 14. Strombodes helianthoides. 15. S. DISTORTUS. 16. S. RECTUS. 17. Ctstiphyllum cylindricum. 18. Same? with another kind of coral (Aulopora) attached. No. 136.] PLATE XII. 27. 28 PLATE XIII. [Assembly 1 Shells of the Hamilton group. i BRACHIOPODA. 1. Strophomena tnequistriata. 2. Spirifer zigzag. 3. Atrypa reticularis (p. 67). 4. Spirifer mucronatus, lower valve (p. 67).6. Same, front view. 6. Same, shorter variety. 7. Same, very elongated variety. 8. Atrypa aspera. 9. Same, front view. 10. Same, magnified portion of surface. 11. Same, with the spines still adhering in parts. 12. Atrypa concinna. 13. A. concentrica, lower valve (p. 67). 14. Same, front view. 15. DiSCINA GRANDIS (p. 67). No. 136.] PLATE XIIL 29
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