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Hall, James; 1811-1898 / Geological survey of Wisconsin, 1859-1863. Palaeontology. Part third
(1871)

Plate XI,   pp. [unnumbered]-Plate XI PDF (748.1 KB)



                                PLATE XI-Continued.
                      ICH'TJHYOCRINUS SUBANGULARIS, HALL.
                                        Page M87.
FIG. 15. Lateral view of a specimen from Bridgeport, Illinois, preserving
the substance of the
            plates.
 " 16 View of a specimen from Waldron, Indiana, from which the species
was originally de-
            scribed.
                           CAR YOCRINUS ORNAATUS, SAY.
FIG. 17. Lateral view of an internal cast of a specimen of this species,
possessing the usual
            characters of the species as they occur at these localities.
                                    CR YPTODISCUS.
FIG. 18. The calyx of a CRINOIDEAN ? of a new and peculiar type, for which
the name CRYPTO-
            DISCUS is suggested.


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