between the two fossil mounts. This is also indicated in the course of this stream, as an acre or more of the plain is covered several feet in depth with the washed-down debris of fossils. I picked up several specimens, and have them with me. The top of Silliman's Fossil Mount is covered with boulders and grass. Even when close to the small mount it looks like sand, but on examination it is fine broken limestone and fossils.
SILLIMAN'S FOSSIL MOUNT.
"Having spent two hours on and around this interesting mount, I made my way over the plain of grass between said mount and the river, and cried to those at the fifteenth encampment. Soon Koodloo, with two of the lady portion of the crew, put out after me. I had my arms and pockets full of specimens, and a hard, weak, weary time did I have of it.
