BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
273 
1959. [Eiley, C. V.]—Continued. 
Chapter XIII—Continued. 
eggs of Camnulapellucida, 263—Habits of bee-fly larvae, 263-264— 
Observations on the larval babits of Bombylii, 264-265—Larval 
habits of Argyramceba, 265-266—Abundance of bee-flies and blis¬ 
ter-beetles in the Western country, connected with the abundance 
of locusts, 266—Life history of Systce.chus oreas, 266-267—Descrip¬ 
tion of its larva, 267; of the pupa, 267-268 ; of the imago, 268— 
Description of Systcechus oreas, 268—Larva of Triodites mus, 268- 
269—Imago of Triodites mus, 269—Dr. T. A. Chapman’s observa¬ 
tions on Bombylius major, 269—Hair-worms and red-mites abun¬ 
dant upon loChsts in California, 270—Chalcid-fly parasitic on 
locusts, 270—Synonymy of the locust-egg parasite, 270—Digger- 
wasps killing locusts, 270. 
Chapter XIY: By C.V. Riley. 
Courses that may be adopted by the General Government to lessen 
locust injury. 
Importance of destroying the locusts in their native breeding- 
grounds, 271—Recapitulation of means suggested in first report, 
271—Importation of English rooks, 271—Importance of burning 
over the permanent breeding-grounds, 272—Breeding-grounds 
occupy comparatively small areas in the permanent region, 273— 
Protection from invading swarms, 273—Locust warnings through 
the Signal Bureau, 273—Diverting swarms by means of smoke, 
274—Co-operation of governments and governmental institutions, 
274—Apathy apt to result from periods of immunity from locust 
invasions, 274—How the Government can aid, 275—Surface char¬ 
acteristics of the permanent region and the proportion of burna¬ 
ble land, 275—Number of square miles in the permanent region, 
276—The plains area east of the mountains, 276—Its vegetation, 
276—Burnable land practically indentical with grazing-land, 
277 — The plains area in the British possessions, 278—In the 
United States, 279—The mountain area, 280—Timber-lands in 
the mountain area dependent upon latitude and altitude, 280— 
Northern section of the mountain area, 280, 281—River valleys 
in Montana, 281—Valley of the Yellowstone and its tributaries, 
281—Of the Madison River, 282—Of the Jefferson and Missouri 
Rivers, 283—The Wind River and the Bighorn Mountains, 283— 
The Green River Basin, 283—Valley of the Snake River and its 
tributaries, 286, 289—Southern section of the mountain area, 
289—In southern Wyoming, 290-291—In Colorado, 291—The San 
Luis Valley, 292—Mountain area in New Mexico, 292—The pla¬ 
teau area, 293—Its extent, 293—The Roan Plateau, 293—The 
Uinta Valley, 293—The Grand River Valley, 294—The Great Sage 
Plain, 294—The San Juan River Valley, 295—The Colorado River 
Plateau, 295—The Great Basin area and the Wasatch Mountains, 
296—Valleys of the Bear River and its tributaries, 296—The 
Wasatch Range and its valleys, 298—Mountain Ranges in Ne¬ 
vada, 299-300—The Mojave Desert, 300—Preventive measures 
in the plains region, 300 —Caloptenus spretus breeds, especially in 
British America and Montana, 300—Fertile grass-land in the Ter¬ 
ritories, 300—Its extent, 302—Encouragement to settlement, 302— 
Modification of climate by settlement and cultivation, 302—Pro¬ 
fessor Thomas’ communication to Governor Pillsbury, 303—The 
settlement of Dakota will benefit Minnesota, 304—Forest planting 
13 ENT 
271 
