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

Plate XV,   pp. [unnumbered]-Plate XV PDF (733.8 KB)



PLATE XY.
                         SUB ULITES VENTRICOSUS, HALL.
                                       Page 398.
FIG. 1. View of an individual of this species, somewhat restored in the upper
part.
                             LOXONEMA LEDA, HALL.
                                       Page 398.
FIG. 2. Figure from a gutta-percha cast taken in the natural mould; faint
remains of indistinct
            transverse strime are visible.
                           EUNEMA ? TRILINEATTA, HALL.
                                       Page 397.
FIG. 3. Figure taken from a gutta-percha cast of the natural mould in the
rock.
                           CYLONEMA? ELEVATA, HALL.
                                       Page 391.
FIG. 4. View of a cast of this species.
                  TROCHONEMA (CYCGLONEMA?) PAUPER, HALL.
                                       Page 395.
FIG. 5. View of the aperture, taken from a gutta-percha cast made in the
natural mould.
"   6. Basal view of the same specimen as fig. 5, showing the umbilicus.
C"  9. A small internal cast of this species.
                      TROCHONzEMA (EUNEMA) FATUA, HALL.
                                       Page 394.
FIG. 7. View of an internal cast of this species.
     8. The figure is from a gutta-percha cast, and shows the longitudinal
strive very perfectly.
                 PLEUROTOMARIA (TROcIIONE.1IA) HOYI, HALL.
                                       Page 393.
FIG. 10. View of a cast of this species.
                        PLEUROTOMARIA OCCIDENS, HALL.
                                       Page 392.
FIG. 11. Lateral view of a specimen of this species, which preserves a portion
of the surface.
    12. View of the spire, taken from a gutta-percha cast in the natural
mould.
                         PLEUROTOMARIA HALEI, HALL.
                                       Page 392.
FIG. 13. View of the spire of a cast of this species.
" 14. The elevation of the spire.
                          PLEUROTOMARIA IDjA, HALL.
                                       Page 398.
FIGS. 15, 16. Vertical and lateral views of a cast of this species.


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