BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
77 
757. Osborn, H. Tlie cabbage butterfly. <Western Stock Journ. 
and Farmer, January, 18S1, v. 11. 
Comparative characters of Pieris rapce and P. protodice; life history of 
P. rapce; remedies and parasites. 
758. Osborn, H. Some simple observations.—To observers of insects. 
<Western Stock Journ. and Farmer, February, 1881, v. 11, 
pp. 33-34. 
Notes for conducting experiments. 
759. Osborn, H. Food habits of Saperda cretata. <Amer. Nat., 
March, 1881, v. 15, p. 244. 
Method of oviposition ; habits of larva. 
7G0. Osborn, H. Sawflies. <Western Stock Journ. and Farmer, 
March, 1881, v. 11, p. 58. 
Habits of Tenthredinidse. 
761. Osborn, H. Occurrence of a bacterial disease in the bronze- 
colored cutworm ( Xephelodes violans Guenee). <lowa 
Homestead, 17 June, 1881. 
762. Osborn, H. Plant lice. <Western Stock Journ. and Farmer, 
June, 1881, v. 11, pp. 129-130. 
Notes on Aphis mail, A. maiclis, A. brassicce, A. [= Myzus ] cerasi, and Sipliono- 
phora avence [=Nectaropliora granaria']. 
763. Osborn, H. The white grub. <Iowa Homestead, 28 July, 1881. 
Life history of Lachnoslerna quercina [—fusca] ; remedies. 
764. Osborn, H. The fall webworm. <Western Stock Journ. and 
Farmer, July, 1881, v. 11, p. 153. 
Life history of Hyphantria textor \=cunea~] ; remedies. 
765. Osborn, H. Entomological notes. <Western Stock Journ. and 
Farmer, July, 1881, v. 11, p. 153. 
Occurrence iu Cass County, Iowa, of Chcetochiluspometellus. 
766. Osborn, H. Patent insect destroyers. <Iowa Homestead, 22 
August, 1881. 
Efficacy of the Pugh insect destroyer limited to nocturnal species. 
* 
767. Osborn, H. Book lice. <Iowa Homestead, 29 September, 1S81. 
Means against Psocidie ; enemies of the same. 
768. Osborn, H. The white-marked tussock moth. <Western Stock 
Journ. and Farmer, September, 1881, v. 11, pp. 201-207. 
Life history of and remedies for Orgyia leucostigma. 
769. Osborn, II. The white lined morning Sphinx— Deilephilalineata. 
<Western Stock Journ. and Farmer, October, 1881, v. 11, p. 225. 
Characters and habits of Deilephila lineata. 
770. Osborn, F. Grasshoppers. <Western Stock Journ. and Farmer, 
November, 1881, v. 11, p. 250. 
Life histories and habits of Caloptenus femur-rubrum, C. diffcrentialis, C. 
bivittatus, Acridium americanum, A. emargitiatum, CE dipod a [= Dissosteira] 
Carolina, Hippiscusphoenicopterus, and Tomonotus [= Arphici] sulpkurea. 
