274 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
1959. [Riley, C. V.]—Continued. 
Chapter XIV—Continued. 
on the coteau of the prairies, 305—Preserving of lakes, ponds, and 
swamps in Minnesota, 306—Encouragements to railroads, 307— 
Irrigation, 307—Extent of the arid region, 307-308—Only a small 
portion of the land irrigable, 308—Agriculture in the arid West 
and in the Mississippi Delta require assistance of the National 
Government ,308—Prevention of floods by means of reservoirs, 
309—Cost of irrigation, 310—Influence of irrigation on the locust 
question, 310—Mr. H. Gannett’s report on irrigation in the arid 
region, 310—Waste of water in irrigating, 311—Amount of irri¬ 
gable land, 311—Amount of water necessary for irrigation, 312- 
313—Irrigable land in Colorado, Utah, California, &c., 313— 
Arable land in the Territories, 314—Amount of land in actual 
cultivation, 314 — Irrigation by means of artesian wells, 315— 
' Methods of irrigation, 315-316—Uselessness of reservoirs and great 
irrigating canals in the arid region, 316—How irrigation should 
be regulated, 316—Preservation of forests; tree-planting, 317— 
Judicious burning in spring, 317—Permanent establishment of 
locust signals and warnings, 318—Co-operation with the Do¬ 
minion Government, 319—Preventive measures in the mountain 
and plateau areas, 319—Breeding-grounds of the locust in the 
mountain area, 319—Influence of settlement, 320—Replanting 
of forests, 320—Importance of locust signals to the farmer in 
Colorado and Utah, 321—Very destructive locust invasions not 
likely to recur iu the future, 321—The locust has ceased to be an 
object of dread, 322. 
Appendix I: 
Miscellaneous data and replies to Circular No. 1. 
Circular No. 1, [3]—Nebraska data, [4]—Data for Minnesota, [17]— 
Data for Iowa, [20]—Data for Dakota, [21]. 
Appendix II: By S. H. Scudder. 
List of the Orthoptera collected by Dr. A. S. Packard, jr., in the 
western United States in the summer of 1877. 
Bradynotes opimus, Scudd., n. sp., [24] — Pezotettix pacificus, 
Scudd., n. sp., [24]— Gomphocerus shastanus, Scudd., n. sp., [25]— 
Circotettix maculatus, Scudd., n. sp., [26]— Trbnerotropis latifas- 
ciata, Scudd., n. sp., [26]— T. similis, Scudd., n. sp., [27]— T. cceru- 
leipes, Scudd., n. sp., [27]— Psinidia wallula, Scudd., n. sp., [27]. 
Appendix III: 
Report of John Marten.. 
Observations of John Marten, special agent, on locusts in Iowa, 
[29]—In Minnesota, [30]—In Dakota, [30]—In Nebraska, [31]. 
Appendix IV: By B. P. Mann and C. Thomas. 
Bibliography of some of the literature concerning destructive lo¬ 
custs . 
Introductory and explanatory remarks, [33]—Bibliography on the 
destructive locusts of Europe, Asia, and Africa, [33]—Supple¬ 
mentary list to the bibliography on locusts in foreign countries, 
[50]—Additions to bibliography on the locusts in America, [55]. 
Appendix V: 
Data concerning locust in Texas... 
Notes furnished by Gen. A. J. Myer, U. S. A., Chief Signal Officer, 
on locusts iu Texas, chiefly in the year 1877, [57]—Locust data 
from Indian Territory in 1877, [61], 
