National Parks, in Canada, 315, 326, 327; in the United States, 315 note, 318, 319; need of separate management, 320, 326-329; perishable attractions, 321; wild life in, 322, 323; as an investment, 323, 324; development, 326; should be kept separate from Forest Reserves, 326-329; establishment of Yellowstone Park, 329; Rocky Mountain National Park, 335-353. North Park, 229, 231. Ophir Loop, 176, 180. Orton, Dr. Edward L., 338. Ouray, 171, 172. Ouzel, water, in winter, 272, 273. Ouzel Lake, 158. Paint-brush, 118. Parks, mountain, their characteristics, 229-232; origin, 233-235; end, 235-237; glacier meadows, 237-240; as camping-places, 240-245. Parks, National. _See_ National Parks. Penn, William, 329. Pika, or cony, 110, 111, 344. Pike, Zebulon M., 301. Pike's Peak, situation, 295; altitude, 295; accessibility, 295, 296; view, 296; characteristics, 297; attractions, 297-300; history, 301, 302; climate, 302-305; summit, 305; life zones, 305, 306; bird-life, 306, 307; big game, 307; wild flowers and trees, 308, 309; geology, 309, 310. Pillars of Hercules, 300. Pine, limber, 61-63. Pine, lodge-pole, 125, 126, 140; extension of area, 211; seeding, 211-213; spread dependent upon fire, 213; elements of success, 214; a forest pioneer, 218, 219; hoarding of seed, 219, 220; rapidity of growth, 220, 221; overgrown cones, 221-223; fruitfulness, 223; release of seeds, 223; character of stands, 224; giving way to other species, 225; dependence upon fire, 225, 226; range, 226. Pine, pitch, 214. Pine, short-leaved (_Pinus Montezumæ_), 59. Pine, Western yellow, two stumps, 125, 126; a good fire-fighter, 129; preserved by fire, 140. Porcupine, 270. Prospect Dome, 300. Ptarmigan, 102, 113, 114; in the winter snows, 271, 272; food, 272. Rabbit, snowshoe, 344. Rabbits, 270. Rats, mountain, 137. Redwood, 128, 130; a forest-fire record, 131-133. Rocky Mountain National Park, location, area, and topography, 335, 336; geology, 337-340; forests, 341, 342; wild flowers, 342, 343; animal life, 343-345; roads and trails, 345; streams, 346; climate, 346; scenery, 346-350; lakes, 350, 351; accessibility, 352; visitors, 352, 353. Rocky Mountains, Colorado, scenery of, 313, 314. St. Vrain Moraine, 339, 349, 350. San Cristoval Lake, 157. San Juan Mountains, and return horses, 170, 171. Scenery, of the Rocky Mountains, 313, 314; conservation and destruction, 314-331; in the United States, 316, 317, 321, 322; a judicial decision, 324-326; and forestry, 327-329; literary and official recognition, 329, 330. Schneider, Dr. Edward C., quoted, 303-305. Seven Lakes, 309.