[278] REPORT UNITED STATES ENTOMOLOGICAL COMMISSION. 



•C: V. Riley. The locust plague in the United States: being more particularly a 

 treatise on the Rocky Mountain locust or so-called grasshopper, as it occurs east of 

 the Rockv Mountains, with practical recommendations for its destruction. Chicago, 

 Rand, McNally & Co. 1877. 236 p. -f- 3 pi. 8°. 42 fig. 



Characters of the species; differeBces and resemblances between Caloptenus spretus, C. 

 femur-rubnim and O. atlanis: comparisoris of the three in early stages; chronological his- 

 tory of locust invasions ; detailed account of invasions from 1873-1876; eastern limit reached ; 

 native home and geographical range ; source of disastrous swarms ; causes of migration ; natu- 

 ral history and transformations; philosophy of the egg-mass, hatching process; habits and 

 power for injury; direction and destinat.on of departing svrarms ; effects of young insects in 

 country where they hatch, but where they are not indigenous; changes that follow the 

 locusts; natural enemies ; practical considerations ; destruction of eggs, of young insects, of 

 winged insects ; ravages of locusts east of Mississippi ; nomenclature : prairie fires ; locusts 

 as food ; fasting and prayer, etc. 



*C : V. Riley. The Rocky Mountain locust. <^ American Naturalist. 1877. v. 11, 

 p. 663-673. 



Is'ame, geographical range, native haunts, susceptibility of control, and migrations of Oalop- 

 tenus spretvs ; its avoidance of regions infested in the previous year; its final destination. 

 [See p. 32-41 of the work cited next before this, where the same address is published more 

 fully.] 



Cyrus Thomas. Sixth report of the state entomologist of Illinois. [First biennial 

 report of the present author.] 1877. p. 44-56. 



Invasions and migrations of Caloptenus spretus. O. differehtialis is the species which 

 invades Illinois, but it is not habitually migratory. In 1875, C. fevfiur-ruhrum disappeared in 

 Illinois, and what seems to be C. atlanis took its' place. Extent of the hatching-ground of C. 

 spretus. Direction of the migrations of this locust. Direction and extent of some migrations 

 of (Edipoda migratoria in Europe. ' Means against G. spretus. 



Cyrus Thomas. Bulletin of Hayden's U. S. Geological and Geographical Survey of 

 the Territories, iv, No. 2. On the Orthoptera collected by Dr. Elliott Coues, U. S, A., 

 in Dakota and Montana, during 1873-74. Note on Caloptenus sjpretus. Washington. 

 May 3, 1878. 8^. pp. 20. 



*A. S. Packard, Jr., M. D. The injurious insects of the west. A rex)ort on the 

 Rocky Mountain locust, and other insects now injuring, or likely to injure, tield and 

 garden crops in the western states and territories. Illustrated by 67 woodcuts, 6 

 plates, and 5 maps. Salem, Cassino, 18/7. .8°. 



[Extra copies from Hayden's report for 1875, and cited above. 80 copies only issued, with 

 a new title-page.] . " . 



C. S. Miuot. A lesson in Comparative Histology. <; American Naturalist. June, 

 1878. Plate ii. 



Gives an account of the histology of the digestive canal of O. spretus. 



SOUTH AIVIERICAN LOCUSTS. 



All the citations in this list, not otherwise credited, are taken from the Peri<5dico 

 Zoolojico, Cordoba, 1874-1877, v. 1-2. 



Anonym. Heuschreckenin Siidamerica. <Froriep'sNotizen. 1826. v. 15, p. 177-180. 

 [Hagen, II, 339.] 



Capt. Andrew. Travels in the mining districts of South America. — [Extract:] 

 <Froriep'sNotizen. 1828. v. 20, p. 134-135. 



The extract is on locust-swarms in South America. [Hagen, I, 12.] 



Herm: C: Conr : Burmeister. Reise durch die La Plata Staaten; mit besonderer 

 Riicksicht auf die physische Beschaffenheit und den Culturzustand der argentini- 

 schen Republik, ausgefuhrt in den Jahren 1857-1860. Halle, 1861. 2 v. 8^. Maps 

 and title-illustration. 



[Hagen, I, 108.] v. 1, p. 491- , contains most of what was written previous to 1874, 

 upon migrations of locusts in the Argentine Eepublic. [Weyenbergh, (1874).] 



*B : Apthorp Gould, M. D. A swarm of locusts. <; Popular Science Monthly. 1874. 

 V. 4, p. 636. 



Description of a swarm of locusts seen at Cordova, Argentine Eepublic. 



*Dr. H. Weyenbergh. Manga de langostas en C6rdoba. < Peri6dico Zooldjico. 

 1874. V. 1, p. 123-124. 



Occurrence of Acridium parancnse late in autumn (May) in the streets of Cordoba. 



Dr. H. Weyenbergh. Manga de langostas en Cordoba. < Auales de la agricultura 

 de la Reptiblica Argentina. 1874. v. 1, p. 135. 



Dr. B : A. Gould. Manga de langostas en Cordoba. < Auales de la agricultura dela 

 Repi1l*jica Argentina. 1874. v. 1, p. 164. 



* 



