. 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. 20 PLATE X. [Assembly Fossils of the Oriskany sandstone (p. 59). 1. Spirifer arenosa. 2. Renssel^ria ovoides. 3. Same, profile view. 4. Orthis hipparionyx, internal cast of upper valve. 5. Spirifer arenosa, do do of lower valve. 6. Eatonia peculiaris, side. 7. Same, hinge. 8. Same, front. No. 136.] PLATE X. 21. 22 PLATE XL [Assembly Fossils of the Upper Helderberg group. 1. Eensseljeria (Meganteris) elo
. 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. 20 PLATE X. [Assembly Fossils of the Oriskany sandstone (p. 59). 1. Spirifer arenosa. 2. Renssel^ria ovoides. 3. Same, profile view. 4. Orthis hipparionyx, internal cast of upper valve. 5. Spirifer arenosa, do do of lower valve. 6. Eatonia peculiaris, side. 7. Same, hinge. 8. Same, front. No. 136.] PLATE X. 21. 22 PLATE XL [Assembly Fossils of the Upper Helderberg group. 1. Eensseljeria (Meganteris) elongatus (wrongly called M. ovoides on p. 61). 2. Same, end view. 3. Strophomena undulata. 4. Orthis lenticularis, lower valve and front outline. 5. Atrypa reticularis. 6. Strophomena lineata, enlarged. 7. Dalmania selenurus : separate fragments, head and tail. 8. Cyrtoceras undulatus. 9. ICHTHYODORULiTE, a defensive fin-bone of a devonian fish. No. 136.] PLATE XI. 23
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectscience, bookyear1853
