Fig. 8. Weathered Specimen of Eozoon from the Calumet.
(Collected by Mr. McMullen.)
Fig. 9. Cross Section of the Specimen represented in [Fig. 8.]
The dark parts are the laminæ of calcareous matter converging to the outer surface.
Fig. 8. Weathered Specimen of Eozoon from the Calumet.
(Collected by Mr. McMullen.)
Fig. 9. Cross Section of the Specimen represented in [Fig. 8.]
The dark parts are the laminæ of calcareous matter converging to the outer surface.