212 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



1575. [BiLEY, C. V., et al] U. S. Entomological Commission. Circular 



No. 1. [Riley, Packard, Thomas.] <Washiugton : 1877, 8, 

 4pp. 



Queries regarding the migrations, appearances, habits, and ravages of Calop- 

 tenuftspretus; directions for making replies. 



1576. RILEY, C. V. U. S. Entomological Commission. Circular No. 2. 



<Washington : 1877, 8, 4 pp. 



Plans of work ; request for information regarding the natural history, insect 

 enemies, and parasites of Caloptenus spretm and other locusts; means 

 against the same. 



1577. [EiLEY, C. V., et al] Bulletin of the United States Entomologi- 



cal Commission. Destruction of the young or unfledged lo- 

 custs. No. 1. [Riley, Packard, Thorn as.] < Washington: 1877, 

 8, 12 pp. See : <Sci. Amer., 2 June, 1877 [v. 50], n. s., v. 26, 

 p. 344. 



Enumeration of means of destroying young or unfledged locusts; quotations 

 of laws passed by States of Missouri, Kansas, and Minnesota to provide for 

 the destruction of locusts and their eggs. 



Supplement to Bulletin No. 1, 2 pp. Summary of means for the destruction 

 of young locusts. 



1578. [RiLEY, C. V., et al.] Bulletin of the United States Entomologi- 



cal Commission. On the natural history of the Rocky Mount- 

 ain locust, and on the habits of the young or unfledged in- 

 sects as they occur in the more fertile country in which they 

 will hatch the present year. No. 2. [Riley, Packard, Thomas.] 

 <Washington : May, 1877, 8, 15 pp., figs. 1-11, map. 

 Description, oviposition, hatching, transformations, and habits of Caloptenus 

 spretus ; map of the country that will suffer most severely, showing the 

 eastern limit of injury the present year. 



1579. RILEY, C. V. The grape leaf-folder. <Journ. and Farmer, 14 



June, 1877. S.-b. No. 14, p. 133. 



Description of larva, imago, habits, ravages, distribution, seasons, and food- 

 plants of Desmia maculalis. 



1580. RILEY, C. V. The rascal leaf-crumpler. <Journ. and Farmer, 



14 June, 1877. S.-b. No. 14, pp. 133-134. 



Description of larva, larva-case, imago, habits, ravages of, distribution, sea- 

 sons, food-plants, and means against Phycita nebulo [=Acrobasis indiginella']. 



1581. RILEY, C. V. The Hessian-fly. <Journ. and Farmer, 14 June, 



1877. S.-b. No. 14, p. 135. 



Description of eggs, larva, puparium, and imago of Cecidomyia destructor', 

 civil history, seasons, habits, ravages of and means against it ; habits of 

 Semiotellus [=Merisus] destructor. 



1582. RILEY, C. V. Locust prospects. <Sci. Amer., 16 June, 1877, 



[v. 50], n. s., v. 36, p. 369. 



Causes of the destruction of a great proportion of the young of Calop ten us 

 spretus; a general and disastrous invasion improbable for some years. 



1583. [RiLEY, C. V.] Insect enemies. <N. Y. Tribune, 16 June, 1877. 



S.-b. No. 14, pp. 234-235. 



1. Apple-borers; answer to letter of V. B. P.; young apple-trees killed by 

 Xyleborus obesus. 



