So that these numbers would make Pyramid Lake 813 feet above the level of its affluent at Wadsworth; which, of course, is impossible.

Under this state of facts, I have assumed the elevation of this lake to be 3890 feet.] During the summer of 1873, the writer embraced the opportunity afforded by a six weeks' sojourn on the shores of the Lake to undertake some physical studies in relation to this largest of the "gems of the Sierra." Furnished with a good sounding-line and a self-registering thermometer, he was enabled to secure some interesting and trustworthy physical results.
(1.) _Depth_.

It is well known that considerable diversity of opinion has prevailed in relation to the actual depth of Lake Tahoe.

Sensational newsmongers have unhesitatingly asserted that, in some portions, it is absolutely fathomless.

It is needless to say that actual soundings served to dispel or to rectify this popular impression.