Flycatchers, 25, 151. Arkansas, 95-97, 99. crested, 95. least, 214. olive-sided, 73, 261. western, 209, 215, 218. Georgetown, 193, 197-219, 224, 238. Glenwood, 38, 40, 109, 120-125, 129, 158, 183, 271. Golden, 162, 184, 193, 296, 298. Goldfinch, American, 33, 121, 202, 203, 290. Arkansas, 32, 33, 121, 133, 290. Grackle, bronzed, 25, 140, 271, 272. purple, 25, 140. Grassfinch, eastern, 99, 129. western, 92, 99, 121, 129, 186, 192. Graymont, 183, 230, 232. Gray's Peak, 26, 178, 190, 193, 206, 224-256, 260, 261, 262, 270, 298. ascent of, 241-243. summit, 243-251. Green Lake, 208-214. Grosbeak, 25, 298, 299. black-headed, 39, 290. cardinal, 39, 127. rose-breasted, 39. western blue, 39, 157. Halfway House, 47, 74, 75, 76. Harrier, marsh, 99. Herbert, George, 59. Hawk, pigeon, 214. House-finch, 119, 127, 133, 181-183, 217. Humming-bird, 25. broad-tailed, 73, 103-109, 112-114, 200, 209, 213, 217, 230, 260. ruby-throated, 106. rufous, 113. Indigo-bird, 25, 154, 155, 178. Jack-rabbit, 99. Jay, blue, 24, 25, 26, 27, 149, 151, 153. long-crested, 25, 119, 133, 149-151, 154, 189, 230, 260, 279-281. mountain, 71, 119, 151-154, 205, 210, 233, 234, 261. Woodhouse's, 154. Junco, slate-colored, 75. gray-headed, 67, 74, 75, 119, 209, 212, 231, 235, 254, 255, 259, 261. Kelso, Mount, 232, 233, 238, 253, 254, 262. Killdeer, 205, 270. Kingbird, 97. Kingfisher, 119, 282. Kinglet, ruby-crowned, 64-66, 72, 119, 211, 216, 235, 254, 261. Lark, desert horned, 49, 84-89, 186, 264, 268-270. horned, 85. pallid horned, 86. prairie horned, 86. Leadville, 38, 126, 127, 183, 202, 271. Leucosticte, brown-capped, 22, 27, 59, 60, 125, 240, 241, 244, 248, 251, 252, 254, 262. Lowell, James Russell, 59, 289. Magpie, 25, 40-43, 72, 119, 122, 133, 188, 270. Manitou, 31, 32, 36, 38, 47, 75, 76, 79, 140, 178. Martin, purple, 90. Meadow-lark, eastern, 26, 90-95. western, 22, 26, 90-95, 133, 160, 186, 187, 192, 264, 267, 290. Merriam, Dr. C. Hart, 113. Migration, 19-23, 51, 52, 63, 65, 66, 124, 277, 278. Mocking-bird, 98, 301, 302. Moraine Lake, 61, 66-73, 146. Muir, John, 172, 173. Nighthawk, eastern, 191. western, 24, 119, 129, 190, 191, 262. Nutcracker (also crow) Clark's, 25, 67, 71, 72, 119, 122. Nuthatch, pygmy, 119, 174, 279. white-breasted, 119. Ohio, 21, 65, 141, 215. Oriole, 25. Baltimore, 33-35. Bullock's 33-35, 97, 121, 192, 290. orchard, 34. Owl, burrowing, 178-180. Phoebe, 125. Say's, 125, 131, 270, 271. Pike's Peak, 21, 26, 31, 38, 66, 71, 73, 83, 103, 104, 110, 129, 134, 146, 152, 159, 224, 239, 250, 252, 262, 281. ascent of, 47, 56-58. descent of, 49-56, 58-79. summit, 47-49, 58, 59, 60. Pipit, American, 27, 49-52, 125, 239, 244, 254, 262. Ptarmigan, white-tailed, 60, 248. Pueblo, 117, 183. Raven, 25, 53, 125. Red Cliff, 38, 40, 109, 117, 120, 183.