192 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



1466. BILEY, C. V. Entomology. An interesting lecture on the insect 



world. The subject considered both practically and scientific- 

 ally. <St. Louis Daily Globe-Democrat, 25 March, 1876, v. I , ' 

 p. 3. S.-b. No. 10, pp. 161-164. Eeprint, with omission's: 

 <Ware's Valley Monthly, August, 1876, v. , pp. 281-289. 

 S.-b. No. 14, pp. 163-167, 



Definition of entomology ; claims of tlie science as a liberalizing study ; its 

 economic importance; metamorphoses, abundance, and almost omnipres- 

 ence of insects. 



1467. [EiLEY, C. V.] The* insect world. Lecture by Professor Eiley at 



Washington University. A practical subject for fruit-growers. 

 <St. Louis Republican, 26 March, 1876. S.-b., No. 10, pp. 178, 

 179. 



Advantages and interest of the study of insects as compared with that of 

 other animals; economic importance of the study; ravages of Glossina 

 morsitans. 



1468. EILEY, C. Y. Legislation in regard to insects injurious to agri- 



culture. <Natiou, 30 March, 1876, v. 22, p. 208. 

 Amount of insect injuries in the United States ; demand for an independent 

 commission ; duties and limits of such a commission. 



1469. EILEY, 0. V. Entomology. Another lecture by Professor 



Eiley. How to counteract the ravages of insects; direct 

 remedies ; practical hints to farmers, etc. Some of the duties 

 of the State entomologist. <St. Louis Daily Globe-Democrat, 

 1 April, 1876, v. 1, p. 3. S.-b. No. 10, pp. 135-138; 179-184. 

 Eeprint, with omissions: <Ware's Valley Monthly, Septem- 

 ber, 1876, v. , pp. 369-380. S.-b. No. 14, pp. 168-173. 

 Classification of means against insects; cause of the destructive occurrence 

 of insects ; importation of foreign pests ; history of the introduction and 

 spread of Pieris rapce, Phylloxera vastatrix, and Dorypltora decemlineata; 

 natural history of these insects; spread of insects by small degrees; ad- 

 vantageous means against certain insects; encouragement of enemies of 

 and parasites on noxious insects; need of distinguishing friends from foes; 

 need of co-operation and of legislation for the destruction of insects; duties 

 of a State entomologist. 



1470. [EiLEY, C. V.] Scarlet mite. <Colman's Eural World, 12 April, 



1876, fig. S.-b. No. 10, p. 160. 



Answer to letter of G. W. Barnes; occurrence, habits, and figure of Trom- 

 bidium sericeum ; habits of T. holosericeum ; use of T. tinctorium as a dye. 



1471. EILEY, C. V. Hibernation of Amphipyra [=Pyrophila] pyrami- 



doides. <Psyche, March [13 April], 1876, v. 1, p. 152. 

 Extract from 3d Ann. Kept. State Ent. Mo., pp. 72-73, with additional note; 

 this species sometimes hibernates as a pupa, and doubtless frequently as a 

 moth. 



1472. EILEY, C. V. Bag- worms and borers. How to protect our shade- 



trees and insure their growth. How to render shade-trees 

 healthy. Letter from the State entomologist, <^St. L.ouis Ee- 



