GENERAL INDEX 775 
Lahontan, Lake, 558. 
Laidon, Loch, freezing of, 140. 
Lake basins, barrier, 522. 
organic, 523. 
rock, 521. 
wind-formed, 524. 
Lake Creek, 634. 
Lake: definition of term, 515. 
Lake of the Hills, 632. 
of the Nine Rivers, 603. 
of the Woods, 629, 630. 
" Lake on the Mountain," 629. 
Lake Survey, records on biology by the, 
274, 295, 297, 298, 302, 310, 312, 
313, 317. 
work, origin and history of, 1. 
Lake waters, chemical composition of, 
145-155. 
Lakes, classification of, by origin, 521. 
by physical characters, 520. 
by temperature, 104, 520. 
compared with oceanic islands, 519. 
connected witli iuland drainage areas, 
524. 
connected with rivers flowing directly 
into the ocean, 572. 
deposits of, 518. 
distribution of, 515. 
fresh-water, 515. 
genetic relationship of, 516. 
organisms of, 519. 
salt, 515. 
source of water, 515. 
temperature of, 517. 
Lakes, Baltic fresh-water, 382-391. 
Lakes (Danish), biology of, compared with 
that of Scottish lochs, 307. 
calcium carbonate in deposits of, 273. 
relict fauna of, 308, 
temperature of, 285, 
Lakes (Scottish), biological evidence as to 
origin and age of, 304. 
classification of, 475. 
comparison of temperature in, 135. 
deposits in, 18, 261-274. 
distribution of, 475. 
probable origin of, 475. 
total number surveyed, 9. 
Lamb, — , 88, 126. 
Lamellibranchiata, 355. 
Laminia, Lake, 621. 
Langak-tso, 539, 540. 
Langavat, Loch, plankton of, 340, 342, 
345, 348, 350. 
Lann, Loch nan, flora of, 210. 
Laoghal, Loch, deposit from, 269. 
zooplankton of, 283, 
Lapchung-tso, 539- 
Lapworth, C, 441, 444, 
Larg, Loch, flora of, 256. 
Laune, River, 579. 
Lauriol, — ,31. 
Leane, Lough, 579. 
Lebedintzefl", A., 151. 
Leighton, M. 0,, 149, 
Lemaire, — , 613. 
Leman, Lac, see Lake of Geneva. 
Lemnacese, 179, 357. 
Lentibulariacese, 175. 
Leopold, Lake, 521. 
Leopold IL, Lake, 617. 
Leskeacese, 188. 
Leslie, John, 91, 142. 
Lethe, Lake, 634. 
Leucodontacepe, 188. 
Leum a' Chlamhain, Loch, desmids in, 
302. 
Levander, — , 418. 
Leven, Loch, flora of, 169, 176, 182, 185, 
187, 247, 251, 258. 
River (Fife), 250. 
River (Lancashire), 575. 
Lewisian Gneiss, distribution of, 439. 
fundamental complex, rock-groups of, 
439, 440. 
igneous rocks intrusive in, 440. 
pre-Torridonian movements in, 440. 
pre-Torridonian denudation of, 440. 
Liassic rocks, 454, 455, 
Lighten, Lake, 539, 
Likwa, Lake, 521. 
Lilljeborg, W., 418. 
Lime incrustation on stones and plants, 
213, 
Limmat, River, 596, 597. 
LimniBPe, 165, 
Limnography, definition of, 515. 
Limnological investigations, main problems 
of future, 426, 
Limnology, 91, 93, 155. 
definition of, 515, 
Limonite in deposits of Scottish lochs, 
269, 
Linder, Charles, 9, 27. 
Lindores Loch, flora of, 183, 247. 
Linlithgow Loch, temperature of, 113, 125. 
Linnhe, Loch, 197, 201, 211. 
Linth, River, 596, 597. 
Lintrathen, Loch of, 246. 
Lismore Island, deposits in lochs of, 271. 
flora of lochs of, 156, 163, 164, 168, 
173, 180, 211-215, 
Littlester, Loch, desmids in, 302. 
plankton of, 344. 
Littoral and shallow water region, 651. 
region of lakes, biology of, 289, 311. 
Livingstone, David, 566, 615. 
Llydaw, Llyn, 576. 
Lob Nor, 528, 535-538. 
Lobosa, 356, 
Lochaber Loch, flora of, 237. 
Lochenbreck Loch, flora of, 228, 
Lochindorb, deposit from, 268, 269, 
Loch-in-loch, 223, 
Lochinvar, flora of, 218, 231, 
Lochmill Loch, flora of, 248. 
Lochnaw, flora of, 246. 
Lochrutton Loch, flora of, 236, 
Lochy, Loch, biological observations in, 17. 
flora of, 196, 201, 
freezing of, 138. 
worms in, 318. 
zooplankton of, 278. 
Lombach Kiver, 594, 
