98 



INDEX. 



Homoptera, 23. 



Hydrotrechus, 48. 

 Hymenoptera. 9. 14. 21. 

 Iclineumonidae. 10. 21. 

 Insect Invasions: 



Cankerworms. 23-24. 



Grasshoppers. 23. 



Hairy caterpillars, 24. 



Locust leaf-miuing beetles, 35. 



May-flies. 3.5. 



Tobacco- worms. 24. 

 Insect remains in stomachs. 13-14. 

 Insects eaten by birds, 8-11, 19-21. 

 Interaction of organisms. 17-18. 

 Ipswich sparrow. 59. 

 Jassid8e.9,23. 

 Junco. 80-82. 

 Junco hyemalis. 80-82. 

 Lace- wing flies. 48. 

 Ladybird beetles. 46. 

 Lamb's quarters, 25. 

 Lapland longspur, 54-55. 

 Lark sparrow. 66-68. 

 Lasius. 10. 

 Leaf-beetles,9,23. 

 Leaf bugs, 23. 

 Leaf -hoppers. 9. 23, 48. 

 Lema trilineata. 46. 

 Leucarctia acrsea. 48. 

 Libellula pulchella.94. 

 Limneea, 20. 

 Limonius, 23. 

 Lincoln's sparrow, 86. 

 Locustidse. 23. 

 Long-horned beetles. 47. 

 May-beetles. 9, 13. 45. 

 Ma3--fiies,14,20,35. 

 Melanoplus spretus, 23. 

 Melospiza melodia, 82-86. 



georglana. 87. 



lincolni, 86. 

 Methods of examining stomachs, 12-15 

 Midges. 9. 

 3Iillers, 48. 



Mineral substances in stomachs. 19. 

 Moths. 13. 



Murgantiahistrionica. 4H. 

 Myzine, 21. 

 Nebria pallipes, 47. 

 Nectarophora destructor. 77. 

 Neoclytus erythrocephalu.s, 47. 

 Nesting places. 29-30. 

 Nestlings" food habits. 11-12, 23. 93. 

 Nootuidse, 23. 

 Odontota, 23. 

 Oplion bilineata. 47-48. 

 Papilio turnus. 48. 

 Passei- domesticus, 92-96. 

 Passerella iliaca, 87-89. 

 Passerina nivalis, 51-54. 

 Pea-lice, 77. 

 Pentatomidas, 23. 

 Phytonomus, 23. 

 Pigeon-grass, 25. 

 Plant-lice, 23, T7. 



Platynus. 47. 



Poison ivy. 14. 



Pooecetes gramineus, 56-58. 

 grammeus confinis, .56-58. 



Pterostichus saj-i, 47. 



Purslane, 25. 



Ragweed, 25. 



Rhynchophora. 9, 23. 



Rocky Mountain locu.st, 23. 



Salt-marsh caterpillar moth, 48. 



Savanna s]3arrow, 59-61. 



Scarab^id beetles. 9. 



Scoliidae, 21. 



Seaside sparrow. 65-66. 



Sharp-tailed sparrow, 64-66. 



Sitones, 23. 



hispidulus, 46. 



Skin-beetles. 47. 



Smart weed, 25. 



Snails, 20. 



Snowflake, 51-.54. 



Soldier bugs, 23. 



Song sparrow, 82-86. 



Spiders, 10,14.20.48. 



Spiza americana, 89-92. 



Spizella monticola. 7.5-76. 



monticola ochracea. 75-76. 

 pusilla. 78-80. 

 pusilla arenacea. 7SS0. 

 socialis. 76-78. 79-80. 

 socialis arizonae. 76-78. 79-80. 



Stalk feeding. 38-39. 42-43. 



Stinkbugs, 48. 



Stomach examinations, method of procedure, 

 12-15. 



Summer food habits. 31-35. 



Swallow-tail butterfly, 48. 



Swamp sparrow, 87. 

 Systena. 23. 

 Tent caterpillar, 77. 

 Tiphia. 21. 



inornata, 14. 

 Tobacco worms. .24, 33. 

 Tree sparrow. 7.5-76. 

 Trogosita coerulea,47. 

 Trox. 47. 



Vegetable remains iri stomachs. 14. 

 Vesper sparrow, 56-58. 

 Walsh's theory, 10-11. 

 Wasps. 9, 14. 2l' 47-48. 

 Water-striders. 48. 

 Weed destruction. 25-29. 

 Weed f^eeds, 48-49. 

 Weeds. 8. 



Weevils. 9. 14, 23, 24. 46. 

 White-crowned sparrow. 69-73. 

 White-thi'oated sparrow, 72-75. 

 Winter food habits. 38-45. 

 Wireworms. 9. 

 Zabrus gibbus.21. 

 Zonotrichia albicollis. 72- 75. 

 leucophrys, 69-72. 

 leucophrys gambeli, 69-72. 

 leucophrys nuttalli, 69-72. 

 querula, 68-69. 



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