Red-eyed vireo, 6, 155. Red-headed woodpecker, 35. Red-shafted woodpecker, 189. Red-winged blackbird, 166-173. Robin, 29, 30. Rose-breasted grosbeak, 18, 19. Ruby-throated hummingbird, 103-140, 225. Sandpiper, 6, 164. Shrike, 29, 35-60, 66-71. Solitaire, 205-220, 226. Song sparrow, 30. Summer yellow-bird, 179. Thrasher, 147-149, 201. Towhee bunting, 159, 180-184. Townsend's fly-catching thrush, 226. Tree swallows, 175. Trembleur, 224. Veery, 7, 27, 157. Vesper sparrow, 174. * * * * * Transcriber's note: The original book had unique headings on every other page, for this etext they have been placed as sidenotes, to take them out of the middle of paragraphs. End of Project Gutenberg's Upon The Tree-Tops, by Olive Thorne Miller