[274] REPOET UNITED STATES ENTOMOLOGICAL COMMISSION. 



*D. A. A. Nicholls. Grasshoppers in the state of New York. < American Entomol- 

 ogist. 1868. V. 1, p. 96. 



Opposes the statement on p. 53 of this joarnal that locusts were scarce in Xew York in 

 1868, at least for the extreme western part of the state ; what plants were destroyed by the 

 locusts. 



*V. Devinny. The " Colorado grasshopper". < American Entomologist. 1869. v. 1, 

 p. 95. 



Objects to the name as casting odium on Colorado, whereas it is equally numerous and 

 native in other regions; the habits of the native "spring grasshopper" are different from 

 those of the immigrating "fall grasshopper"; effect of weather on the hatching of eggs. 



* James H. Parsons. Grasshoppers. < American Entomologist. 1869. v. 2, p. 52. 

 Scarcity of locusts in Franklin, 17. Y., in 1869. 



*Cyrus Thomas. The hateful, or Colorado grasshopper. — (Caloptenus spretus, Uhler 

 and Walsh.) < American Entomologist. 1870. v. 2, p. 81-84. 



A summary of investigations during a trip through Colorado and New Mexico, Seasons, 

 native haunts, migrations, and localities of occurrence of locusts. 



*S. S. Rathvon. Eocky Mountain grasshopper cannot live in Pennsylvania. <[ Amer- 

 ican Entomologist. 1870. v. 2, p. 88. 



Young locusts, accidentally introduced into Lancaster, Pa., all perished. 



*P. V. Hayden. Reports of the United States Geological Survey of the Territories. 

 Washington, [1867-] 1872-1877. Reports 1-9. 

 Fourth Report. 1872. p. 249-261. S. H. Scudder. Notes on the Orthoptera 

 collected by Dr. F. V. Hayden in Nebraska. 



List of species observed in Nebraska. Eemarks on the devastating grasshoppers of North 

 America, Caloptenus femur-rubrum, O. spretus, CEdipoda atrox n. sp. ; ravages of O. femur- 

 rubrum in New England ; notes upon 0. spretus, as observed during its invasion of western 

 Iowa in August and September, 1867 ; ravages of CE. atrox on the Pacific coast. 



Fifth Report. 1872. p. 423-466 + 2 pi. Cyrus Thomas. Notes on the salta- 

 torial Orthoptera of the Rocky Mountain regions. 



Sources of information; systematic arrangement of families of Orthoptera; distribution 

 of species between the eastern, middle, and western districts of the United States west of 

 Missouri ; list of species, with descriptions of new species; p. 445-466, Acrididse. 



Sixth Report. 1873. p. 719-725. Cyrus Thomas. Notes on Orthoptera. 



General remarks on geographical distribution and on descriptive characters of the species. 



Ninth Report. 1877. p. 589-809 + 9 pi. (pi. 62-70) + 5 maps 23x27 ; 67 fig. A. 

 S. Packard, Jr., M. D. Report on the Rocky Mountain locust and other insects 

 now injuring or likely to injure field and garden crops in the western states 

 and territories. 



Locusts, p. 591-69.3 ; their occurrence and ravages in Colorado, Kansas, "Wyoming, Utah 

 New Mexico, and Nevada ; their northern range ; their invasion of Texas, Kansas, Iowa, Min- 

 nesota, Nebraska, Dakota, Montana, Colorado, Wyoming, Utah, and New Mexico in 1876; 

 their habits, seasons, development, classificatory characters, geographical distribution, and 

 migrations; the migratory locusts of Central and South America and those of Europe, Asia, 

 and Africa ; external enemies and parasites of the Caloptenus spretus ; measures for prevent- 

 ing the ravages of the locusts; summary of our present knowledge of the locust; inquiries 

 to which answers are needed ; meteorological data on the mean temperature, mean relative 

 humidity, prevailing wind, and total movement in the various months of the years 1871-1876 at 

 numerous stations in the western United States; breeding habits of Caloptenus femur-rubrum ; 

 ravages and migrations of the latter species in the eastern United States ; ravages of (Edi- 

 podapellucida in California, and description of the imago ; ravages of Acrydium americanum 

 in the southeastern United States; ravages of Anabrus simplex and A. haldemani in Utah 

 and neighboring regions ; descriptions of the last two species. 



•Cyrus Thomas. Synopsis of the Acrididse of North America. Report of the United 

 States Geological Survey of the Territories. Vol. 1, pt. 1. Washington, 1873. 

 10 -j- 262 p. + 1 pi. 



*S. B. "Wilber. Animal migrations. < Popular Science Monthly. 1874. v. 4, p. 

 745-746. 



[Same?] < *New England Farmer. 1875. v. 53, no. 29. 



The attacks of dipterous parasites the sole incentive to the migrations of locusts. 



*Anonym. Grasshoppers in Minnesota. [From (Chicago) Inter-Ocean.] <New 

 York Commercial Advertiser, June 1, 1874. 

 Habitats, habits, and enemies of locusts. 

 •Anonym. Grasshoppers stopping cars. [From St. Joseph (Mo.) Herald.] < Hart- 

 ford Daily Courant, v. 38, no. 198 (11,163), Aug. 19, 1874. 

 Stoppage of railroad trains by locusts. 



