bays of,333.boat ride on,243.capes of,336.compared with other lakes,241.discovered,24,27,80.first boat on,337.form of,240.islands of,335.monument on shore of,248.names of,334.navigation of,203.overhead sounds near,246.reservoir possibilities of,190.thumb, of,241.trout of,186.Yellowstone National Park, administration of,206.administrative history of,127-148.altitudes in,154.area of,148.Assistant Superintendents of,135.atmosphere of,210.autumn foliage of,192.basaltic lava flows in,157.birds,185.boundaries of,148,278-280.buffalo of,143,184.buildings of, in 1880,132.calcareous springs of,173.camping in,205.climate of,189,198.Congressional Reports on,141.cost of visiting,274.Cretaceous Period in,156.danger to future existence of,281.drainage areas of,149.economic importance of,190.electric railways in,204,276-280.elk in,280.exploration of,103,108.fauna of,181.fishes of,185-6.flora of,187.flow of water from,190.flowers of,190.forests of,187,188.fossil forests of,177-180,263.friends of,281.funds for,128.game in,134,181-4,207.geographical names in,108,285-6.geology of,156.Glacial Epoch in,158.healthfulness of,199.hostility to, vi,267,269.hotel system of,204.hot springs of,172-5.Indian knowledge of. SeeIndian.lakes of the,151.laws for,127.leases in,141,207.mineral springs of,199.mountain systems of,151-2.nature of country in,16,17.Nez Percé incursion into,117,123,215.petrifactions in,56,179.plateaus of,153.private interests and,280.Protective Act,110,141.public business in,139.railroads and. SeeRailroads.rhyolitic rocks in,157.road system of,201.rules and regulations for,354.scenery of,155,197,209,260.schemes to destroy,268.season for tour of,210.seasons of,199.snow in,193.snow-shoe traveling in,194-6.source of great rivers near,188.stage rides through the,277.Superintendents of,206-7,359.Tertiary Period in,156.thermal springs of,161.tour of,210,et seq.tourist transportation in,204.trees of,187.valleys of,153.vandalism in,207.visitors to, in 1883,107.volcanic rocks in,157.water falls of,324.winter in,193,197,198.winter journeys through,108.Yellowstone Park Association,140.Yellowstone Park Improvement Company,132,139,140.Yellowstone River,149,250,256.bridge over,203.color of banks,5,6.flow of,150.fords,26,249,261.Great Bend of,6,43.junction of, with Gardiner,211.navigation of,203.source of,2,188.Yosemite Wonderland,90,94,97,253.Young Hopeful,225.Yount Peak, source of the Y. River,2,149.Zillah, The, tourist boat on Y. Lake,336.