Index 



Ornithology and Mammalogy Division. See Biological Survey, Agri- 

 culture 1 )epartment 



Ornithology and mammalogy of New England, with reference to 



agricultural economy (Samuels) . p. 265 



Ortalid Hy injuring growing cereals. 1895. p. 352 



Orthezia "insignis as garden pest ( Cockerell ) . 1892. p. 89 



Orthoptera: 



New species of, from Death Vallev expedition (Bruner) . 1893. 



p. 266 1 



Systematic position of, in relation to other orders of insects. 



1883. p. 286 - 



Orton, W. A.: 



Plant diseases in United States. 1901 . p. 668 .• 



Wilt disease of cotton and its control. 1900 



Wilt disease of cowpea and its control. 1902 



See alxo, as joint author, Webber, Herbert John. 



Osage hedges, uses of, etc. p. 245 



Osage orange as feed for silk-worms. 1870. p. 430 



Osage orange pyralid (Murtfeldt) . 1893. p. 155 



Osborn, Herbert: 



Chinch bug observations in Iowa in 1894. 1894. p. 230 



Entomological work in agricultural experiment stations. 1895. 



p. 85.. 



Entomology, economic, duty of. 1898. p. 6 



Grass insects in Washington, D. C, notes on. 1891. p. 197 



Hessian tiy in United States. 1898 



Insect occurrences, some notable, in Ohio for first half of 1902. 



1902. p. 115 



Insecticide experiments at Ames, Iowa. 1886. p. 23 



Insects, injurious, use of contagious diseases in contending with. 



1890. p. 141 _. 



Insects affecting domestic animals. 1896 



Insects affecting grasses and forage plants, methods of treating. 



1893. p. 71 -_ _..--- 



Iowa insects reported to Association of Economic Entomolgists — 



1892. p. Ill 



1893. p. 193 



1896. p. 78 



Iowa, insects of — 



1887. p. 154 



p. 18 



1889. 

 1890. 

 1891. 

 1892. 

 1893. 



p. 57 

 ]i. 57 

 p. 42 

 .p. 46 



Kansas, trip to, to investigate reported damages from grasshop- 

 pers — 

 paper read before Association of Economic Entomologists. 



1891. p. 49 



report on. p. 58 



Kerosene emulsions, experiments with. 1891. p. 63 



Mallophaga, development in, notes on period of. 1890. p. 115.. 

 Mallophagaand pediculid;o, parasitic habit in, origin and develop- 

 ment of . 1891. p. 187 



Missouri, northwest, grasshopper injuries in, report on trip to 



investigate. 1893. p. 323 ...-. 



Parasites of domestic animals, methods of attacking. 1893. p. 163. 

 Pediculi and mallophaga affecting man and lower animals. 1891 . 

 Schizoneura panicola thos. and S. corni fab., identity of. 1889. 



p. 108 



Thripidic, food habits of. 1888. p. 137 



Osborn, Herbert, and Gossard, H. A. Clover-seed caterpillar, report 



on. 1891. p.56 



Os])orn, Herbert, and Sirrine, F. A. Aphididfe, notes on. 1893. 



p. 235 



Osborn, J. M. Crops in Indiana and Illinois. 1891. p. 483 



Classilicatioii no. 



A5. 



Al. 1:863 



A9.7:7 



A9.7:5 



A5.5:7 

 AS. 1:3 



Al. 10:901 



A28.3:27 



A19.3:17 



Al. 1:868 



A27.9:8 



A9.7:5 



A9.7:7 



A10.3:24 

 A9.6:17 

 A9.7:4 

 A9.6:16 



A9.6:37 

 A9.3:ll 



A9.7:3 

 A9.6:5 



A9.7:6 



A9.7:5 

 A9.7:6 

 A9.6:6 



Al. 1:887 



A9.3:22 



A9.3:23 



A9.3:26 



A9.3:30 



A9.3:32 



A9.7:4 

 A9.3:27 

 A9.7:4 

 A9.7:3 



A9.7:4 



A9.7:5 

 A9.7:6 

 A9.3:7 



A9.7:2 

 A9.7:l 



A9.7:4 



A9.7:5 

 A27.9:29 



454 



