INDEX. 



Acrididae,23. 

 Adalia bipunctata, 46. 

 Agonoderus j)allipes,21,47. 

 Amara, 21. 



impuncticollis, 4H. 

 Amaranth, 25. 

 Ammodramus caudacutiis, 64-65, 65-66. 



henslowi, 63-64. 



maritimus, 65-66. 



nelsoni, 64-65, 65-66. 



nelsoni subvirgatus, 64-65, 65-66. 



princeps, 59. 



sandwichensis alaudinus, 59-61. 



sandwicliensis savanna, 59-61. 



savannarum passerinus, 61-63. 



savannarum perpallidus, 61-63. 

 Andrena, 2] . 

 Anisodactyhis, 21. 



rusticus, 47. 

 Anisopteryx vernata, 23. 

 Ants, 9-10, 14, 20, 32. 

 AphididiB, 23. 

 Aphodius, 20. 

 Army worms, 10, 23. 

 Augliey's investigations, 23. 

 Bark-beetles, 47. 

 Bayberries, 14. 

 Bees, 21. 

 Bembidium, 21. 

 Bibionidae, 20. 

 Bindweed, 25. 

 Blister-beetles, 46. 

 Braconidse, 10, 21. 

 Brochymena, 48. 

 Bugs, 9, 14. 

 Butterflies, 13. 

 Galea rlus lapponicus, 54-55. 

 Cankerworms, 33. 

 Capsidse, 23. 

 Captive birds, 12, 45-50. 

 Carabidje, 9, 10, 21, 46-47. 

 Caterpillars, 13, 23. 

 Cereals, 14. 

 Chalcididae, 10. 

 Chalepus, 45. 

 Chickweed, 25. 



Chipping sparrow, 76-78, 79-80. 

 Chironomidse, 20. 

 Chleenius sestivus, 47. 

 Chondestes grammacus, 66-68. 



grammacus strigatus, 66-68. 

 Chrysomelid8e,9, 23. 

 Click-beetles, 9, 13-14, 33. 

 Coleoptera, 9. 

 Crab- grass, 25. 



Crane-flies, 9. 



Crickets, 85. 



Cucumber-beetles, 46. 



Cutworms, 10, 1.5,23. 



Dandelion destruction by English sparrow, 



26. 

 Diabrotica 12-punctata,46. 

 Dickcissel. 89-92. 

 Diedrocephala, 48. 

 Diptera,9. 



Dissemination of noxious seeds,22, 37, 44, 49. 50. 

 Dragon-flies, 94. 

 Drasterius, 23. 

 Dung-beetles, 9, 20. 

 Earthworms, 14. 

 Economic status of birds, how determined, 



16-17. 

 Elaterid8e,9,23. 

 Engli.sh sparrow, 26, 92-96. 

 English sparrows destroyed in Boston, 96. 

 Ephemeridae, 20. 

 Epicauta, 46. 

 Epitrix,23. 



Eucoptolophus sordidus, 45-46. 

 Euschistus, 48. 

 Experiments: 



Food of nestlings, 12. 



Preferences in food, 12, 45-49. 



Protective devices of insects, 45-48. 

 Farm investigations, 15, 21 , 24, 27, 29-45. 

 Feeding habits, 35-45. 

 Field habits of sparrows, 31-34. 

 Field sparrow, 78-80. 

 Flea-beetles, 46. 

 Flies, 20. 



Forbes' investigations, 23. 

 Fox sparrow, 87-89. 

 Formicidae, 20. 

 Geometrid8e,23. 

 Grain destruction, 21-22. 

 Grasshopper destruction, 62-63. 

 Grasshopper sparrow, 61-63. 

 Grasshoppers, 10, 13, 23, 45-46. 

 Ground-beetles, 9, 10, 14» 21 , 46-47. 

 Habitats selected, 29-31, 36. 

 Habits of birds, exceptional, 17. 

 Halictus,21. 



Harlequin cabbage bug, 46. 

 Harpalus, 21. 



pennsylvanicus, 47. 

 Harris's sparrow, 68-69. 

 Henslow's sparrow, 63-64. 

 Hemiptera, 9. 

 Heteroptera, 14, 23. 

 Hippodamia maculata, 46. 



97 



