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192 INDEX. 
Hummingbirds, 5, 6, 14, 18, 23, 25, 81, ; Microrhynchus, 31. 
42, 67, 69, 70, 120. : Migration of birds, 48. 
cause of, 59. i 
Ibis, Scarlet, 39. effects of changes of climate on, 59. 
Icteria virens, 172. extent of, 49. 
Icteride, 130. highways, 55, 60. 
Icterus galbula, 131. manner of, 54. 
spurius, 132. nocturnal, 55, 56, 57. 
origin of, 58. 
Jacana, 24, 28. times of, 49. 
Jay, Blue, 129. Mimus polyglottos, 174. 
Junco, 145. Mniotilta varia, 167. 
Junco hyemalis, 145. Mniotiltide, 166. 
Juncos, 41, 44. — 
Key to common birds, 75. 
Killdeer, 997~* 
Kingbird, 122. 
Kingfisher, Belted; 114.~ 
Kinglet, Golden-crowned, 181. 
Ruby-crowned, 182. 
Laniidse, 162. 
Lanius borealis, 162. 
Lark, Horned, 41, 55, 126. 
Prairie Horned, 127. 
Laride, 86. 
Larus argentatus smithsonianus, 86. 
Lighthouses, 56, 57. 
Limicole, 32, 95. 
Longipennes, 86. . 
Loon, 85. 
Loxia curvirostra minor, 147. 
Macrochires, 117. 
Mallard, 89. 
Man-o’-war Bird, 19. 
Marsh Hen, 94. 
Martin, Purple, 157, 161. 
Mating of birds, 65, 
Meadowlark, 27, 44, 136. 
Megascops asio, 110. 
Melanerpes ery throcephalus, 116. 
Melospiza fasciata, 138. 
georgiana, 139, 
Mergansers, 32, 89, 
Merula migratoria, 186. 
Micropodide, 119, 
Mockingbird, 174. 
Molothius ater, 137. 
Molt, the, 37. 
Momotus subrufescens, 25. a 
Motmot, 25. he 
Mud-hen, 94. 
Myiarchus crinitus, 123. 
Natural selection, 14, 15, 65. 
Nesting seagon, 64 
Nest of birds, 65. 
Nighthawk, 6, 23, 118. 
Notornis, 22. 
Nuthatch, Red-breasted, 180. 
White-breasted, 181.— 
Nuthatches, 6, °@ - at 
Nycticorax nycti neevius, 92, 
Opera-glass, 72. 
Opisthocomus cristatus, 17, 
Oriole, Baltimore, 181-— 
Orchard, 87, 131, 132. 
Orioles, 42, 44, 55, 180, 
Ortolan, 135. 
Oscines, 122, 
Osprey, American, 107. 
Ostinops, 23. 
Ostrich, 5, 18, 19, 27; 29, 69, 70. 
Otocoris alpestris, 126. 
Oven-bird, 170. 
Owl, Barn, 8. 
Barred, 111. 
Great Horned, 110. 
Long-eared, 110. 
Sereech, 41, 110. 
