226 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



1(343. KILEY, C. V. Continued. 

 CHAPTER XIII Continued. 



eggs, 359 Tramping, 361 Collecting, 361 Destruction of the 

 young or unfledged locusts, 362 Burning, 363 The burning of 

 prairies, 363 The Hetzel burning machine. 363 The Homer 

 burning contrivance, 363 Hand burners, 364 The Atwood ma- 

 chine, 364 Use of wire and kerosene, 364 Crushing, 364 The 

 Drum locust-crusher, 365 The Simpson locust-crusher, 366 

 The Hoos locust-crusher, 36? The Hansberry locust-crusher, 

 368 The Kenworthy locust machine, 370 J. C. Melcher's ma- 

 chine, 371 The Peteler machine, 371 The King suction-machine, 

 374 The Flory locust-machine, 376 Trapping locusts, 377 Nets 

 and seines, 377 Ditching and trenching, 378 Protection by 

 barriers, 381 Coal-oil, 381 Coal-oil pans, 383 The Canfield 

 pan, 384 The Adams pan, 385 The Anderson coal-oil contri- 

 vance, 386 Mr. Long's contrivance, 386 Mr. Watrous's con- 

 trivance, 387 Mr. Swearingen's contrivance, 387 Use of coal- 

 tar, 387 The Robbins pan, 388, 390 Use of coal-tar previous 

 to 1877, 388 Other machines for the use of coal-tar, 391 Catch- 

 ing and bagging, 391 Principles and facts to be borne in mind 

 in catching locusts, 391 The Riley machine, 392 Mr. Thomp- 

 son's net, 392 The Elliot catcher, 394 The Wilson-Rhode 

 catcher, 395 Contrivance for catching tLe pupze, 394 The God- 

 ard catcher, 395 The Benson catcher, 396 The Hutchins catcher, 

 396 The Sylvester catcher, 397 The Hero 'hopper- catcher, 398 

 The Belt device, 398 Hand-nets, 399 Use of destructive agents.. 

 399 Buhach or Persian insect-powder, 400 Veith's insect-fluid, 

 400 Sulpho-carbonate of potassium, 401 Naphthaline, 401 

 Paris green, 401 The protection of fruit trees, 403 Destruction 

 of the winged insects, 404 Fumigation, 405 The effect of con- 

 cussion, 405 Diversified agriculture, 406 Legislation, 407 

 Bounty laws, 409 Missouri locust act, 409 Kansas locust acts, 

 410 Minnesota locust acts, 412 Nebraska locust act. 413 Sug- 

 gestions that may be of service, 414 More attention needed to 

 the growth of root-crops, 415 The benefits of irrigation, 415 

 Hogs and poultry, 415 Non-planting, 415 Use of soldiers, 416 

 Preventive measures against the winged insects, 417 Further 

 investigation needed, 417 Means that have been suggested 

 against the winged insects, 418 Systematic burning of young, 

 418 Co-operation with Dominion Government, 419 Protection 

 by smoke, 419 Farmers should receive the locust probabilities, 

 420. 

 CHAPTER XIV : By C. V. Riley. 



Influence of prairie fires on locust increase 421 



Reasons given why prairie fires do not influence locust increase, 



421 Possible indirect connection in the past, 422. 

 CHAPTER XV : By C. V. Riley. 



Influence of weather on the species 423 



Meteorological conditions affecting the life of the locust, 423 

 Effects of weather on the young locusts, 424 Effects of weather 

 on the eggs, 424 Possibility of predicting consequences upon 

 meteorological grounds, 424 The temperature of the soil, 425 

 Thermal constant for the hatching of locust eggs, 426 Number 

 of hours which eggs must be exposed to hatch at a temperature 

 of 60 F., 431 Number of hours required in 1875. 



