BIBLIOGRAPHY OF THE MORE IMPORTANT CONTRIBUTIONS TO 

 AMERICAN ECONOMIC ENTOMOLOGY. 



PART II. 



3SG. [WALSH, B. D., and C. V. EILEY.] Salutatory. To the agricult- 

 urists and horticulturists of the United States. <Amer. Ent., 

 September, 1868, v. 1, pp. 1-3. 



Importance and extent of the ravages'of insects ; practicability of the dimi- 

 nution of these ravages ; value of entomological work ; aims of the Ameri- 

 can Entomologist. 



387. [WALSH, B. D., and C. V. EILEY.] Hogs vs. bugs. <Amer. Eiit., 



September, 1868, v. 1, pp. 3-6. 



Effectiveness of swine as a means against Conotrachelus nenuphar and Carpo. 

 capsa pomonella ; quotations showing good results from pasturing swine in 

 fruit orchards. 



388. [WALSH, B. D., vand C. V. EILEY.] Insect changes. <Amer. 



Ent., September, 1868, Y. 1, p. 6. 



Definition of the different stages of insect transformation. 



389. [WALSH, B. D., and C. V. EILEY.] A new bark-louse on the 



osage orange. < Amer. Ent., September, 1868, v. 1, p. 14, fig. 8. 

 Seasons, food-plants, characters, and figures of Lecanium maclurce n. sp., 

 [= Pulvinaria innumerabilis'] and of L. acericola n. sp. [=P. invumerabilis]; 

 characters and economic importance of the genus Aspidiotus. 



390. [WALSH, B. D., and C. Y. EILEY.] Entomological ignorance in 



the South. <Amer. Eut., September, 1868, v. 1, pp. 14-16. 

 Reprint and criticism of article, " How to destroy the cotton-worm a sug- 

 gestion." 



391. [WALSH, B. D., and C. V. EILEY.] Grasshoppers. <Amer. Ent., 



September, 1868, v. 1, p. 16. 



Ravages of Acrididce in Illinois, Iowa, and Missouri; mention of the species 

 committing these ravages; means against the same. 



392. [WALSH, B. D., and C. Y. EILEY.] The old and the new philoso- 



phy. <Amer. Eut., September, 1868, v. 1, p. 17. 

 Defense of the practical application of science. 



393. [WALSH, B. D., and C. Y. EILEY.] The animal kingdom. <Amer. 



Ent, September, 1868, Y. 1, pp. 17-18. 



Definition of the " four grand branches of the animal kingdom;" mention 

 of their respective classes. 



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