INDEX. 



429 



Orange insects. Successful management of the 



most destructive, 2088. 

 for the mulberry silk-worm. Osage, 1220, 



1286. 



Rust of the, 2308. 

 Scale-insects of the, 211 9. 

 seed. Worms in osage, 597. 

 " Silk- worms fed with osage, 1341, 1542. 

 Successful management of insects most 



destructive to the, 2088. 

 trees. Insects found about, 1798. 

 Orchard giving out. An, 578. 

 Injured, 1594. 

 Scolytus. Imported, 2233. 

 Houghton's insects in the, 188. 

 Orchelimum, 118, 861. 



glaberrimum, 1329. 

 gracile, 447. 



Oregon. Apple-plant lice in, 1899. 

 Organisms. Interaction of, 139, 1954. 

 Orgyia, 872. 



antiqua, 1797. 

 Glands in, 2412. 



lencoatigma, 65, 480, 535, 600, 762, 1000, 1059, 

 1151, 1227, 1352, 2198, 2238, 2378, 2379, 2380. 

 moth issuing from a larva, 1779. 

 Variable moulting in, 2380. 

 Orii.atidcC, 1363. 



Original habitat of Icerya purchasi, 2415. 

 Orocharis saltator, 513, 1287, 1323, 1329, 2276. 

 Ortalis flexa = Tritoxa flexa. 

 Orthocentrus pusillus, 385. 



stigmaticus n. gp., 385. 

 trifasciatns n. sp., 385. 

 Orthoptera, 1329,2267,2276. 

 Orthoptera, Packard, A. S, systematic position of 



the, 2267. 



Orthopterous insects. Packard, A. S., embryo- 

 logical development of, 

 22C7. 



Orthosoma brunnenm, 95, 397, 2267. 

 Cylindrical, 1059. 

 cylindricum = O.brunneum. 

 nnicoloF = O. brunneuni. 

 Osage orange. Bark-louse in. 389. 

 OSAGE ORANGE. INSECTS AFFECTING. 

 Dipteron, 597. 

 Lecanium acericola = Pulvinaria innumer- 



abilis. 

 maclurai Pulvinaria inuumer- 



abilis. 



Pulvinaria innumerabilis, 389. 

 Sericaria inori, 1341, 1542, 1609, 2234. 

 Sphinx hageni, 2119. 

 Osage orange for the mulberry silk-worm, 1220, 



1286. 



seed. Worms in, 597. 

 Silk-worms fed with, 1341, 1542. 

 Sphinx, 21 19. 



vs. mulberry fortho silk- worm, 2234. 

 Osborn, H., report of experiments at Ames, Iowa, 



2344. 

 upon the insects of the season 



m Iowa, 2418. 

 Oscinis, 2394. 



bra&sicic n sp., 22U1. 



Oscinis. Cabbage, 2291. 



Other insects affecting cheese, 1703. 



Otiorhynchidse injurious to cultivated plants. 



2117. 



Otiorhynchus piclpes, 1788. 

 Our bugs, 2374. 



table. On, 395, 408, 506, 546, 568, 623, 827, 1110. 

 Out of evil cometh good, 618. 

 Outbreaks of army-worms. Eecent, 2262. 

 Overcrowded, 654. 

 Overflow bugs in California, 2099. 

 Oviposition in Carabida). Mode of, 2341. 

 Prodoxus decipiens, 2049. 

 round-headed apple-tree borer, 2266. 

 Saperda bivittata, 1621. 

 Tortricidaj, 1922. 

 the Yucca moth, 1354. 

 Owlet moth. Spider-wort, 1301. 

 Owls' pellets, 601. 

 Ox insects, 290. 

 Oxalis. Alenrodea on, 1791. 

 Ox-eye daisy as an insecticide, 1861. * 

 Oxyopes viridans, 2343. 

 Oxyptilns periscelidactylus, 1059, 1175, 1301. 

 Oyster-shell bark-louse, 373, 1059, 1127. 



of the apple, 1329. 2238. 

 in Missouri, 1169. 

 Ozognathus cornutus, 1967. 

 Pachylobius picivorns, 845. 

 Pachypsylla n. g., 2208, 2272. 



c. -gemma n. sp., 2272. 

 c. -mamma n. sy., 2208, 2272. 

 vennsta, 2208, 2272. 

 Pachytylns migratorius, 1959, 2044. 

 Pacific coast. Entomologist for the, 2022. 



Wheat-stalk worm on the, 2123. 

 Pack your insects. Mind how yon, 435. 

 Packard, A. S. Additions to the third report on 

 the causes of the destruction 

 of t"he evergreen and other 

 forest trees in northern New- 

 England, 2364. 



Causes of destruction of ever- 

 green forests in New England 

 and Xew York, 2232. 

 Descriptions of larva) of injurious 



forest insects, 2267. 

 Development of the bark-boring 

 beetles Hylurgops and Xyle- 

 borus, 2267. 

 Embryological development of 



Caloptenus atlanis, 2267. 

 Embryological development of 



Caloptenus spretus, 2267. 

 Embryological development of 



the locust, 2267. 

 Embryological development of 



orthopterons insects, 2'JfiT. 

 Fourth report on insects injuring 



forest nnd shade trees, 2382. 

 The Hessian-fly, 2267. 

 Narrative of the first journey in 



1877, 1G43. 

 a second journey in 



1877, 1643. 

 Notes on forest-tree insects, 2253. 



