On the shores amongst the conifers, are small aspen and black cottonwood, western birch, willow and alder. Several small flats have a dense shrubbery of mountain ash Pyrus occidentalis, Rocky Mountain maple Acer glabrum, huckleberry Vaccinium membranaceum, soopolallie, black twin-berry, service berry Amelanchier alnifolia, dogwood Cornus stolonifera, waxberry, rose, highbush cranberry Viburnum pauciflorum, false box, red raspberry Rubus strigosus, swamp gooseberry Ribes lacustre, thimble berry (Fig. 13), red elder Sambucus racemosa, birch-leaf spirea and goat's board Arun- cus sylvester, (Fig. 14). Where clearings have been made in the forest a dense undergrowth of fern, thimble berry, goat's beard, black twin-berry, alder and other shrubs quickly grow to a height that hides the stumps of the felled trees. There are a number of such places, the one of greatest extent being a road slashing extend- ing for several miles northward from the south end of the lake (Fig. 15). Here goat's beard grows to a height of six and seven feet with flower spikes 18 inches in length. These brushy clearings and the small areas of deciduous woods have a bird population, chiefly warblers, greater in density than I have observed elsewhere in the forests of British Columbia. Each of the numerous populations was similar in composition, consisting usually of Tennessee warbler, magnolia warbler, Macgillivray warbler and water-thrush; some also included a pair of redstarts, Lincoln sparrow or song sparrow. Amongst the conifers along the edges of the clearings were western tanager, red-breasted nuthatch, olive-backed thrush, warbling vireo, chipping sparrow and Oregon junco. There are a number of large, forested islands in the lake and between them and the mainland narrow channels, some with long marshy bays, extend inland. The beach along the main part of the lake and the shelving lake bottom is composed largely of boulders of rather uniform size from four to six inches in diameter. The water is clear, cold and of a brownish tinge. One of the marshy bays referred to extends eastward for about three-quarters of a mile. The water is shallow over a predominantly marl bottom; a mixed forest of conifers, western birch, alder and black cotton- wood reaches the shore for the greater part of its length on both sides but here and there small fingers of land covered with shrub- bery and terminating in marsh growth extend outward. The shrubbery is chiefly dwarf birch, willow, alder, black twin-berry, and on the outer margins grow hardhack, marsh cinquefoil and buckbean Menyanthes trifoliata. The terminal marshy tracts are composed of whitetop, tall reed grass, spike rush, and horsetail Equisetum arvense, EK. palustre, E. limosum. A small sluggish creek empties into the end of this bay. Its shores are hidden by masses of alder, dwarf birch, black twin- berry and red-osier dogwood that-in places form an arch over the channel On its margin water arum grows thickly (Fig. 16). On the alluvial deposit at its mouth was found the largest amounts of submerged flora seen anywhere on the lake. This consisted of - 22 -