f f V 



INDEX 



Abies nigra, 115. 

 Acanthothrips verbasci, 79. 

 Acarina, 17. 

 Acer, 8. 



dasycarpum, 108. 



rubrum, 104. 

 Acerates, 59, 84. 



viridiflora, 84. 

 lanceolata, 84. 

 Achasta, 124. 

 Acmasodera pulchella, 41, 71. 



tubulus, 41. 

 Acridiidae, 19-25, /2, 76, 88. 

 Acridiinae, 20. 

 Adalia bipunctata, 39. 

 Adelphocoris, 27. 



rapidus, 2/, 70, 79. 

 Agallia sanguinolenta, 26, 70. 

 Agapostemon splendens, 59, 71. 

 Ageneotettix deorum, 20, 72. 

 Agonoderus pallipes, 36. 

 Alder, 115, 116. 

 Algae, 286, 459, 462. 

 Alisma, 267. 

 Almond, 113. 

 Alnus rubra, 116. 

 Alum-root, 109. 

 Alydus conspersus, 28. 



eurinus, 28. 



pilosulus, 28. 



pluto, 28. 



setosus. 28. 



spp., 28, 75, 84, 87. 

 Amara cupreolata, 35, 73. 

 Amaranthus, 49. 

 Amblyderus pallens, 51. 

 Amblystoma tigrinum, 60, 79. 

 Ambrosia, 47. 



Ambrosia — continued. 



bidentata, 23. 



psilostachya, 30, 69, 85, 108. 



trifida, 108. 

 Ambush bug, 27. 

 Amorpha canescens, 69. 

 Amphibia, 60. 



Amphitornus bicolor, 21, 70. 

 Anatopynia, 364, 396. 

 Andropogon furcatus, 69, 80. 



scoparius, 69, 80. 



spp., 5- 

 Anidodactylus baltimorensis, 37. 



discoideus, 37. 

 ■ rusticus, 37, 44, 73, 87. 

 Anomala binotata, 45. 



lucicola, 45, 70. 

 Anoplius, 58. 



marginalus, 58. 



spp., 75, 87. 



tropicus, 58. 

 Ant, Sand, 56. 

 Ant-lions, 72. 

 Antennaria, 69. 

 Anthicidae, 50. 

 Anthicus cervinus, 51. 

 Anthomyiidae, 56, 240, 242. 

 Anthothrips verbasci, 25. 

 Anthrax spp., 55- 76, 86. 

 Ants, 41, 44, 50, 56, 57- 

 Apanteles theclae, 56, 76. 

 Apantesis, sp., 53, 70. 

 Aphididae, 70, 73, 86, 97. 121. 

 Aphis, loi, 102. 



amygdali, 113. 



apocyni, 99, 105, 112. 



avenae, 108. 



brassicae, 112. 



carduella, 113. 



