IND 



EX. 



A 



Air, effects of exposure to, on eggs 



of spretus 148 



Acridium Americanum 101 



" " flight of, mis- 

 taken for spretus 31 



Acridium perigrinum 205 



Amarantus Blilum — 92, 110 



American Acridium 101 



Amnion, use of - 77 



Amblychila cijlindrif ormis 127 



Anonymous Tachina-fly 131 



Anthomyia Egg Parasite 118 



Anthomyia radicum 118 



" " var. calopteni, 118 



" brassical 121 



" ceparum 121 



" raphani 121 



Apocynum 92 



Aristida oligostachia 110 



Asclepias 92 



Astoma gryllaria 128 



" parasiticum 130 



Atlantic Locust 22 



B 



Beetles that prey on locusts 127 



Birds, enemies of locusts 113 



Bit d laws should he enforced 139 



Birds should be protected .169 



Bounty law, desirable features of.. 185 



Box Turtle, eats locusts 114 



Brachypeplus magnus 228 



Breeding places of spretus 56 



Burning machines 156 



Burning the young locusts 155 



Burying locust-eggs, effects of 149 



C 



Caloptenus Atlanis 22 



" bi-vutatus 89, 194 



differentiate 89, 194 



" femur-?'ubrum, full de- 

 scription of 15 



Caloptenus, peculiar characters of 



the genus 15 



Ca'optenus Italicus 31, 221 



Caloptenus spretus, detailed de- 

 scription of 17 



Caloptenus viridis 27 



Calosoma calidum 127 



Carabidce, larva? of certain, devour 



eggs of locust... 124 



Cat Bird 114 



Catching locusts 161 



Chalcid fly, parasitic on sjjretus 117 



Changes that follow locust inva- 

 sions 109 



Cicindela, species that prey on 



spretus 128 



Classificatory position of sptretus.. 13 

 Climatic peculiarities of Western 



plains 56 



Clumsy locust 227 



Coal-oil pans, how constructed 163 



Coccygus Americanus 114 



Collecting locust-eggs 153 



Comparative description of imma- 

 ture stages of spretus, femur- 



rubrum and Atlanis 26 



Comparison of Red-legged Locust 



and Rocky Mountain Locust 14 



Compensation attending locust in- 

 juries 108 



Contrivances for catching young 



locusts 162 



Coral-winged locust - 102 



Cotton batting, use of, in protect- 

 ing trees - 166 



Country in which spretus can not 



permanently thrive 203 



Crabro stirpicola 122 



Crow Blackbird 114 



Crushing young locusts 157 



D 



Damage done by common locusts.. 206- 

 Dawson, G M., his observations on 



return migrations of spretus 48 



Deilephila lineata - 112 



Destination of departing swarms of 



spretus 104 



Destruction of young locusts 155 



Destructiveness of spretus 89 



Development of migrating instinct 200 

 Differential locust 194 



