12 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
8. LeBaron, W. Observations upon some of tlie birds of Illinois 
most interesting to the agriculturist. <Trans. Ill. State Agric. 
Soc., 1853-54,1855, v. 1, pp. 559-565. 
Insectivorous liabits of common land birds. 
9. LeBaron, W. Do birds do more good than harm? <Prairie 
Farmer, 1870, v. 41; 12 March, p. 74; 19 March, p. 82; 2 April, 
j). 98. 
Decides in favor of the birds. 
10. LeBaron, W. The apple-tree tent-caterpillar. <Amer. Ent., 
March 1870, v. 2, pp. 143-146, figs. 97, 98. 
Mentions various insects infesting the apple tree; describes the various 
stages of CUaiocampa americana; its life history, habits, enemies, and 
remedies; instincts of insects. 
11. LeBaron, W. Appeal of the State Entomologist. <Prairie 
Farmer, 2 April, 1870, v. 41, p. 116. 
Asks for the cooperation of the farmers and horticulturists. 
12. LeBaron, W. Bot Hies. <Prairie Farmer, 30 April, 1870, v. 41, 
p. 130. 
Life history and transformations of CEstrhhe; remedies. 
13. LeBaron, W. Insectivorous habits of the prairie lark ( Alauda 
alpestris). < Amer. Ent. and Bot., April, 1870,v. 2, pp. 168-169. 
Cutworms and other noxious larva? eaten by the prairie lark. 
14. LeBaron, W. Apple-tree bark louse. <Prairie Farmer, 14 May, 
1870, v. 41, p. 146. 
Mentions varieties of trees most liable to attacks, 
15. LeBaron, W. Paris green for the Colorado potato beetle. 
<Prairie Farmer, 28 May, 1870, v. 41, p. 161. 
Paris green effective against Dorypliora lO-lmeata. 
16. LeBaron, W. Insects injurious to the pear tree. <Prairie 
Farmer, 4 June, 1870, v. 41, p. 170. 
Ravages of Helops aratus [=fem<s], Corimeloena pulicaria and CaUimorplia 
fulvicosta [ =Zecontei ]. 
17. LeBaron, W. Replies to correspondents upon noxious insects. 
t <Prairie Farmer, 18 June, 1870, v. 41, p. 186. 
Deals with Orgyia leucostigma, the gooseberry worm, Coccinellidte, etc. 
18. LeBaron, W. Answers to correspondents. <Praine Farmer, 
25 June, 1870, v. 41, p. 194. 
Characters of EUopia [—Eufitcliia] ribearia, remedies; food plants of Itliy- 
cenis noveboracensis; remedy; characters of the larva of Ctenucha sp. 
19. LeBaron, W. Grape leaves injured by galls. <Prairie Farmer, 
25 June, 1870, v. 41, p. 194. 
Refers to an undetermined species. 
20. LeBaron, W. Paris green. <Prairie Farmer, 25 June, 1870, v. 
41, p. 196. 
Care should he observed in using. 
