and also into Kentucky, where they are separated from the Sub- 
; eee or more feet 
of Millstone grit. In addition to this, it is now generally known 
that Lesquereux has found the flora of the Coal-measures of 
Short, all the facts presented by Prof. Geinitz and Prof. 
— when explained by what is Soot in regard to the 
geological Structure of the country in western Iowa, caste! 
: ei and other neighboring districts of the west, exactly 
onines € with, and confirm the views published by Dr. Haydea 
gr eolakele 1858. That is, that there is in this regio * 
ing off from an u -measure to a Perm 
fauna, through a considerable thickness of strata, forming 3 5°™ 
zg oup wk - h ree 7. 2 re | “Permo-carboniferous 
