File:Transactions (1879) (14578298570).jpg

Identifier: transactionsmic22ameruoft (find matches)
Title: Transactions
Year: 1879 (1870s)
Authors: American Microscopical Society
Subjects: Microscope and microscopy
Publisher: Columbus, Ohio (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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ace for a trout hatchery. The results ofDr. Forbes work are given in a paper of 52 pages, with sixplates, in the Bulletin of the United States Fish Commission,Vol. XI, pp. 207-258. The work of these men is all that hasbeen done on the life of these lakes, so far as is known tothe writer. The map (Plate IX)* will give an idea of the general ® Map showing the section of the state north of Missoula to the boundary line, andfrom the main chain of the Eocky Mountains west to the Idaho boundary line.Only a few of the smaller lakes are included. The rivers and streams are not ac-curately drawn, but are to the best of our present knowledge. Few of the moun-tain ranges are indicated. Each water course is a canyon, usually narrow, betweentwo ranges of hills or mountains. Few wagon roads have been made through thecanyons, but of those existing only two or three are located. Most of the streams,many of the lakes, and all of the peaks are inaccessible except on foot or by pack train. PLATE IX C-f
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LIMNOLOGICAL INVESTIGATIONS 65 outline and shape of Flathead Lake, the streams flowing intothe lake, the outlet, routes of travel, and other points of in-formation. A brief description of the lake, with its geologi-cal history^ will be of importance in taking up the studyof the life found. The geological description here given isfurnished by Prof. Fred D. Smith, of the University of Mon-tana. (Cf. Plates X, XI, XII.) The lake occupies the lov^^est portion of an immense valleythat reaches from the Jocko Mountains, a low range be-tween the Jocko River and Mission Valley, northwardacross the British Columbia line into the latter country,a distance of over one hundred miles. It is but the remnantof a lake that in Tertiary times occupied this valley through-out its whole extent. The great level plains on either end ofthe lake are the beds of sediment deposited in the formerlake, and show by the character of their soils that the lakewas a large and quiet body of water. The plain on the sout

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