BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 123 
1848. Osborn, H. The willow plant louse. <Tlie North West, 
November, 1889. 
Abundance of Melanoxanthus salicis. 
1849. Osborn, H. More on white grub. <Orange Judd Farmer, 16 
November, 1889, p. 318. 
Notes on the use of arsenical sprays for killing the white grubs. 
1850. Osborn, H. Wheat-head army worm (Leucaniaalbilinea G-uen.). 
<The North West, 1889. 
1851. Osborn, H. Queries and answers. <The North West, 1 Janu¬ 
ary, 1890, p. 8. 
Note on Tamia solium in pork. 
1852. Osborn, H. Entomology. <The Orange Judd Farmer, 4 Jan¬ 
uary, 1890, p. 14, 1 fig. 
Notes on Cephus pygmwus. 
1853. Osborn, H. Entomology. <The Orange Judd Farmer, 11 Jan¬ 
uary, 1890, p. 30, 1 fig. 
Notes ou Cephuspygmosus, and the Buffalo moth. 
1854. Osborn, H. Entomology. <The Orange Judd Farmer, 18 Jan¬ 
uary, 1890, p. 47,1 fig. 
Notes on Hcematopinus suis. 
1855. Osborn, H. Entomology. <The Orange Judd Farmer, 25 Jan¬ 
uary, 1890, p. 68,1 fig. 
Notes on hog lice, Tyroglyphus siro in smoked meats, and Hessian fly. 
1856. Osborn, H. Entomology. <The Orange Judd Farmer, 1 Feb¬ 
ruary, 1890, p. 79,1 fig. 
Notes on Epheslia huehniella, and the gypsy moth. 
1857. Osborn, H. Entomology. <The Orange Judd Farmer, 8 Feb¬ 
ruary, 1890, p. 95. 
Notes on the apple worm. 
1858. Osborn, H. Entomology. <The Orange Judd Farmer, 16 Feb¬ 
ruary, 1890, p. Ill, 1 fig. 
Notes on Didbrotica longicornis. 
1859. Osborn, H. Entomology. <The Orange Judd Farmer, 22 Feb¬ 
ruary, 1890, p. 126. 
Notes on Attacus cynthia, and the chinch-bug parasite. 
1860. Osborn, H. Entomology. <The Orange Judd Farmer, 8 March, 
1890, p. 158. 
Notes on the gypsy moth, clover midge, and the Bordeaux mixture. 
1861. Osborn, H. Entomology. <Tlie Orange Judd Farmer, 15 
March, 1S90, p. 175,1 fig. 
Notes on the clover root-borer, and the red spider. 
1862. Osborn, H. Entomology. <The Orange Judd Farmer, 5 April, 
1890, p. 212. 
Notes ou cabbage plant-lice; blackbirds vs. boll worms. 
1863. Osborn, H. Entomology. <The Orange Judd Farmer, 19 April, 
1890, p. 244, l.fig. 
Notes on rose beetles, and Ceresa bttbalus. 
