...is, certain fossil forms have been observed in those strata which seem to indicate a greater saltncss of the water in which they were deposited than prevailed...of Denver, was placed in 1 See for sample, US Geol. Eipl. 40th Parallel, vol. I, p. 352. * See foot note on pago 139. my bands for examination. This led...

...which resulted in the production of the present continent leads me to believe that such an outlet, if one existed, was at the southern end, and this...to be confidently relied upon in an inquiry of this kind." TERTIARY Ftrata younger than the Laramie and probably belonging to the Tertiary occur on top...