Transkription:
Fontaine William Morres
Geol.
Paleont.
Inxt.
Contributions to che Knowledge of the older mesozoic florn
of Verginia. [Ill.
Se
Survey
Geol.
Fol
Inst. N. Amer.
[Washington. U. S. geol. survey
4º Washington 1883.
United States geological.. Monographs. Vol. 6.