BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 13 
21. LeBaron, W. Noxious larvte. <Amer. Eut. and Bot., dime, 
1870, v. 2, pp. 232-234. 
Discusses the proportions of noxious larvae among the different orders of 
insects. 
22. LeBaron, W. Answers to correspondents. <Prairie Farmer, 2 
July, 1870, y. 41, p. —. 
Notes on poisonous applications to currants and gooseberries; injuries of 
Haltica clialybea and of tent caterpillars, Clisiocampa sp. 
23. LeBaron, W. Answers to correspondents. <Prairie Farmer, 9 
July, 1870, v. 41, p. 210. 
Notes on enemies to insect eggs and on a new curculio. 
24. LeBaron, W. Answers to correspondents. <Prairie Farmer, 10 
July, 1870, v. 41, p. 218. 
Notes on insects affecting the foliage of the elm; books relating to insects. 
25. LeBaron, W. Answers to correspondents. <Prairie Farmer, 23 
July, 1870, v. 41, p. 220. 
Refers to apple-tree bark-lice, the codling moth, etc. 
20. LeBaron, W. Benj. D. Walsh and bis cabinet. <Prairie Farmer, 
30 July, 1870, v. 41, p. 234. 
Reminiscences, with a notice of the collection of insects of B. D. Walsh. 
27. LeBaron, W. Answers to correspondents. <Prairie Farmer, 13 
August, 1870, v. 41, p. 250. 
Means against Aphis mali; preventive against Simulium sp., remedy for 
Pemphigus vitifolice [= Phylloxera vastatrix] ; note on the eggs of katydids 
and on Brochymena sp. 
28. LeBaron, W. Answers to correspondents. <Prairie Farmer, 20 
August, 1870, v. 41, p. 258. 
Habits and means against Anasa tristis; remedy for Aphis brassicce; characters 
and habits of Conotrachelus nenuphar and Anthonomus prunicida ^—Cocco- 
torus scutellaris] ; means against Datana ministra. 
29. LeBaron, W. Potato bugs and Paris green. <Prairie Farmer, 
10 September, 1870, v. 41, p. 282. 
Methods of application. 
30. LeBaron, W. Insects for examination. <Prairie Farmer, 17 
September, 1870, v. 41, p. 290. 
Characters and habits of Brochymena sp.; note on structural characters of 
insects. 
31. LeBaron, W. Diamond-back cabbage-moth [and other insects]. 
<Prairie Farmer, 8 October, 1870, v. 41, p. 314. 
Ravages of the larva of Cerosioma xylostella; enemy; parasites; remedies; 
note on Mantis [=z Pitas mom ant is] Carolina and on an undetermined larva 
from wheat. 
32. LeBaron, W. [Answers to correspondents.] <Prairie Farmer, 
29 October, 1870, v. 41, p. 338. 
Habits of Conotrachelus nenuphar and Anthonomus prunicida [= Coccotorus 
scutellaris.] 
