246 



'78. Breeding habits of Corixa. Am. Nat., 12:820. 



'80. Notes on insectivorous Coleoptera. Bull. 111. State Lab. 



Nat. Hist., Vol. I, No. 3, pp. 153-1160; reprint (1903), pp. 



167-176. 

 '83a. The food relations of the Carabid?e and Coccinellidse. 



Bull. 111. State Lab. Nat. Hist., Vol. I, No. 6, pp. 33-64; re- 

 print (19 1 2), pp. 33-60. 

 '83b. The food relations of predaceous beetles. Twelfth Rep. 



State Ent. Ill, 1882, pp. 105-122. Also in Trans. 111. Dept. 



Agr. for 1882, Vol. 20. 

 '84. The wheat bulb- worm. Thirteenth Rep. State Ent. 111., 



1883, pp. 13-29. Also in Trans. 111. Dept. Agr. for 1883, 



Vol. 21. 

 '90. Sixteenth report of the state entomologist on the noxious 



and beneficial insects of the State of Illinois. Also in Trans. 



111. Dept. Agr. for 1888, Vol. 26, pp. 1-104. 



'94. A monograph of insect injuries to Indian corn. Part I. 

 Eighteenth Rep. State Ent. 111. XI+171 pp. Also in Trans. 

 111. Dept. Agr. for 1893, Vol. 31, pp. 



'02. The corn bill-bugs in Illinois. Bull. 111. Agr. Exper. Sta., 

 No. 79:435-461. Also (1903) in 22d Rep. State Ent. 111., 

 pp. 1-26. 



'04. The more important insect injuries to Indian corn. Bull. 

 111. Agr. Exper. Sta., No. 95 : 329-399. 



'05. A monograph of insect injuries to Indian corn. Part II. 

 Twenty-third Rep. State Ent. 111. 273 pp. 



'07a. On the life historv', habits, and economic relations of the 

 white-grubs and May-beetles (Lachnosterna). Bull. 111. Agr. 

 Exper. Sta., No. 116:447-480. Also (1908) in 24th Rep. 

 State Ent. 111., pp. 135-168. 



'07b. On the local distribution of certain Illinois fishes : an essay 



in statistical ecology. Bull. 111. State Lab. Nat. Hist., 7: 273- 



303- 

 '11. Some important insects of Illinois shade trees and shrubs. 



Bull. 111. Agr. Exper. Sta., No. 151:463-529; 26th Rep. 



State Ent. Ill, pp. 1-61. 



'12. \Miat is the matter with the elms in Illinois? Bull. 111. 

 Agr. Exper. Sta., No. 154: 1-22; 27th Rep. State Ent. Ill, 

 pp. 1-20. 



