VI. HIRUNDINÆ. SWALLOWS, 34 1. Hirundo. Swallow, 34 VII. MUSCICAPINÆ. FLYCATCHERS, 37 1. Milvulus. Swallow-Tail, 37 2. Muscicapa. Flycatcher, 39 3. Ptilogonys. Ptilogonys, 45 4. Culicivora. Gnat-Catcher, 46 VIII. SYLVICOLINÆ. WOOD-WARBLERS, 47 1. Myiodioctes. Flycatching-Warbler, 48 2. Sylvicola. Wood-Warbler, 50 3. Trichas. Ground-Warbler, 63 4. Helinaia. Swamp-Warbler, 66 5. Mniotilta. Creeping-Warbler, 70 IX. CERTHIANÆ. CREEPERS, 71 1. Certhia. Tree-Creeper, 72 2. Troglodytes. Wren, 73 X. PARINÆ. TITS, 77 1. Parus. Tit, 78 XI. SYLVIANÆ. WARBLERS, 80 1. Regulus. Kinglet, 81 2. Sialia. Blue Bird, 83 XII. TURDINÆ. THRUSHES, 85 1. Cinclus. Dipper, 86 2. Orpheus. Mocking-Bird, 86 3. Turdus. Thrush, 88 XIII. MOTACILLINÆ. WAGTAILS, 92 1. Seiurus. Wood-Wagtails, 92 2. Anthus. Pipit, 94 XIV. ALAUDINÆ. LARKS, 95 1. Alauda. Lark, 96 XV. FRINGILLINÆ. FINCHES, 97 1. Plectrophanes. Lark-Bunting, 98 2. Emberiza. Bunting, 100 3. Niphæa. Snow-Bird, 106 4. Spiza. Painted-Bunting, 107 5. Ammodramus. Shore-Finch, 109 6. Peucæa. Pinewood-Finch, 112 7. Linaria. Linnet, 113 8. Carduelis. Goldfinch, 115 9. Fringilla. Finch, 118 10. Pipilo. Ground-Finch, 123 11. Erythrospiza. Purple-Finch, 124 12. Corythus. Pine-Finch, 126 13. Loxia. Crossbill, 127 14. Corydalina. Lark-Finch, 129 15. Pitylus. Cardinal Grosbeak, 131 16. Coccoborus. Song-Grosbeak, 132 17. Coccothraustes. Grosbeak, 134 18. Pyranga. Red-Bird, 135 XVI. AGELAINÆ. MARSH-BLACKBIRDS, 137 1. Dolichonyx. Rice-Bird, 138 2. Molothrus. Cow-Bird, 139 3. Agelaius. Marsh-Blackbird, 139 4. Icterus. Hangnest, 142 5. Quiscalus. Crow-Blackbird, 145 XVII. STURNINÆ. STARLINGS, 147 1. Sturnella. Meadow-Starling, 148 XVIII. CORVINÆ. CROWS, 149 1. Corvus. Crow, 150 2. Pica. Magpie, 151 3. Garrulus. Jay, 153 4. Nucifraga. Nutcracker, 155