lagus. The winter lagus consist of the very fine mud, in fact the material is so fine that in the form it has no gritty feeling and smires like fat, therefore enters "fusy lagus". Sometimes it is [illegible] by a single layer of coarser material, and it may be to one, but I saw not me such alter- ation. It is the fine mud held in sus- pension during the summer, but when the surface of the lake freezes over in the winter this sediment slowly separate out. In the spring come the first coarse material on the top and then [illegible] law the fine muds. There always the lined separation between the winter layer and the summer one is exceeding sharp. The winter layers may in thickness from 1/4t, rarely more than 1e of an inch; yet to this is the common thickness. The deposits visited are the following: Centers locality 9 (see his large jacket map) near junction of Chicopee and Connecticut rivers, southeast of Chicopee village. Here is