INDEX. 
Page. 
Acacia sp 18 
Africa, bollworm in 14, 19 
Agelaiusphccniceus - 114 
Alabama argillacea 13 
Aletia 13,106 
Alfalfa 18 
eggs laid on 47 
Allium canadense, eggs laid on 47 
Amaranth 17, 47 
Amarantus spinosus, eggs laid on ,47 
Anosia plexippus 15 
Aphiochastafuhgicola 126 
nigriceps 126 
Aphis maidis 94 
Apiomcrvfi crampes 112 
Archi/fdspiUn ntris 123 
Ariliis rrisfdfas 112 
Arizona, injury by bolhvorm in 29 
Arsenical poisons 131 
Asclepias tuberosa, eggs laid on 47 
Asilidse 110 
Asparagus 18 
Astragalus caryocarpus 18 
Atmospheric conditions, effect of, on eggs ... 54 
growth 66 
Attus cardinalis Ill 
fasciolatus Ill 
Australia, bollworm in 14, 20 
Austroriparian area, destructivenessof boll- 
worm in 28 
Avena saliva 18 
Bacterial disease 124 
Bxolophus bicolor 115 
Baltimore oriole ; 115 
Barley 18 
Beans 18 
character of injury to 71 
eggs laid on 47 
Bee martin 114 
Bindweed 17 
eggs laid on 47 
Birds as bollworm enemies 113 
Blackberries 19 
Blackbird 114 
Blue grosbeak 115 
Blue jay 114 
Bluebird 115 
Blue-gray gnatcatcher 115 
Bolls, character of injury to 70 
Bombyx obsoleta= Heliothis obsoleta 11 
Boreal zone, absence of bollworm in 25 
Broods, number of 98 
Page. 
Brown thrasher 115 
Bud worm=bollworm 13 
Bufo lentiginosus 112 
valiceps ^ 112 
Cabbage 18 
California, occurrence of bollworm in 29 
Calocoris rapidus 35 
Calosoma angulatum Ill 
calidum Ill 
scrutator Ill 
Calycopis cecrops 105 
Canada, inj ury by bollworm in 26 
Canna indica 17 
eggs laid on 47 
Cannabis saliva 18 
Cannibalism 79 
among larvee 79 
Cape gooseberry 20 
Cardinal 115 
Cardinalis cardinalis 115 
Carnation 18 
Carolina wren 115 
Carolinian area, destructiveness of boll- 
worm in 27 
Carpet weed, eggs laid on 47 
Castor bean 19 
Catalpa 19 
Catbird 115 
Centrums carolinus 114 
Ceylon, bollworm in .' 20 
Chsetochloa italica 18 
Chenipodium sp 17 
Chick-pea 18 
Chipping sparrow 115 
Chondestes grammacus strigatus 115 
Chrysopa spp 108 
Cicindela vulgaris 112 
Citrullis vulgaris 17 
Classification and synonymy 11 
Coccyzxis americanus 114 
Cocklebur 17 
eggs laid on 47 
Cnlaptes auratus luteus 114 
Cold winters, effect on bollworm 26 
Colinus virginianus 114 
Collards 18 
Color variation of larvae 56 
effect of external 
conditions on . . . 63 
Colorado grass 18 
potato beetle 16 
Common names 12 
151 
