BIBLIOGRAPHY OF THE MORE IMPORTANT CONTRI¬ 
BUTIONS TO AMERICAN ECONOMIC ENTOMOLOGY. 
PART IV. 
1. Abbe, Cleveland. A relation between meteorology and the 
grasshopper or locust pest. <Ainer. Nat., October, 18S0, v. 
14, pp. 735-738. 
Relationship between temperature and its duration, and the length of time 
required to hatch the eggs of Caloptenus spretus. 
2. Ackerly, Samuel. An account of the wheat insect of America, 
or the Tipula vaginalis tritici , commonly called the Hessian 
fly. <Amer. Mo. Mag. and Crit. Eev., August, 1817, v. 1, 
pp. 275-279, 3 figs. 
3. Adams, John. Result of an experiment to destroy Aphis lanigera , 
or American blight on fruit trees. <Loudon’s Hard. Mag., 
1827, v. 2, p. 49. 
Spirits of turpentine effective against Aphis [= Schizoneura] lanigera. 
4. Adams, J. Q. The late so-called army-worm < Watertown 
[N. Y.] Daily Times, 22 August, 1881. 
Habits and ravages of Crambus vulgivagellus; compares the same with 
Leucania unipuncta. 
5. Affleck, Thomas. The caterpillar. <New Orleans Commercial 
Times, 7 September, 1846. 
Refers to Aletia xylina. 
6. Affleck, T. The cotton worm or moth; its effects upon the crop. 
<New Orleans Commercial Times, 8 September, 1846. 
Refers to Aletia xylina. 
7. Affleck, T. Cotton worm; the larva of Noctua xylina. <New 
Orleans Commercial Times, 29 September, 1846. 
Relates to Noctua [= Aletia'] xylina. 
8. Affleck, T. Destruction of the cotton crop by insects. <Amer. 
Agric., September, 1846, v. 5, pp. 341-343. 
Historical account of Aletia xylina ; description of ravages in Mississippi in 
August, 1816; natural history of the species; formulates the theory of 
migration. 
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