1052 



AN INTRODUCTION TO ENTOMOLOGY 



Omiis, 478 



Oncometopia, 407; O. undata, 407 



Onion maggot, 864 



Oniscoida, 7 



Ontholestes, cingulatus, 489 



Onychii, 58 



Onychophora, 4 



Oocyst, 809 



Ookinete, migratory, 809 



Ootheca, 170; of a cockroach, 264 



Operculum, 438 



Ophion, 927 



Ophioninse, 924, 927 



Opostega, 617 



Opostegidse, 582, 589, 617 



Opthalmochlus diiryi, 547 



Oral hooks, 201 



Orange-tips, The, 747; falcate, 748; 



olympia, 748 

 Orasema viridis, 941 

 Orbicular or round spot, 575 

 Orbits, 780 



Orchelimum, 238; O. vulgare, 238 

 Orchesella, 229 

 Oreta rosea, wings of, 712 

 Organs of sight, 130 

 Ormenis, 410; O. septentrionalis, 410 

 Ormyrinae, 942, 943 

 Ormyrus, 943 

 Orneodes hexadactyla, 653; 0. htthneri, 



653 

 Orneodidse, 583, 584, 653 

 Orocharis sallator, 245, 965 

 Orphnephilidas, 828 

 Ortalidas, 786, 791, 856 

 Orthezia, 102, 448, 450 

 Ortheziinse, 450 

 Orthoptera, 212, 214, 215, 230 

 Orthopteroid insects of uncertain kin- 

 ship, 267 

 Orthorrhapha, 785, 794; short-horned, 



828 

 Oryssidse, 891, 905, 907 

 Oryssus, 894, 906; ovipositor of, 906; 



O. abietinus, wing of, 906; O. occiden- 



talis, 907; O. sayi, 905 

 Osborn, H., 337, 349 

 Oscinidae, 860 

 Oscinis frit, 860 

 Osmeteria, 101 

 Osmia, 993, 1000 

 Osmoderma eremicola, 521; O. scabra, 



521 

 Osmyhdas, 109 



Osmylus hyalinatus, wings of, 68, 69 

 Ostia of the heart, 121 

 Ostomidae, 472, 508 

 Othniidae, 474, 498 

 Othnius, 498 



Otiocerus, 409; O. coqnebertii, 409 

 Otiorhynchinae, 538 



Oudemans, J. T., 117, 880 



Outer margin, 60 



Ovarian tubes, 157, 158 



Ovaries, 156 



Oviduct, 156, 159 



Ovigerous legs, II 



Ovipara, 416 



Oviparous, 191 



Ovipositor, 76 



Owlet-Moths, 683 



Ox-warble-flies, 867 



Oxybelini, 980, 989 



Oxybelus, 989 



OxyptUus periscelidactylus , 653 



Oyster-shell scale, 457 



Pachysphinx modesta, 657 



Pachypsylla celtidis-mamma, 411 



Packard, A. S., 149, 189 



Packardia geminata, Wings of, 609 



PcEcilocapsus lineatus, 375, 376 



Paedogenesis, 192, 816 



Paedogenitic, larvae, 192; pupae, 192 



Painted beauty, 754 



Palae, 361 



Palaeodictyoptera, 210, 211 



Palseostracha, 8 



Paleacrita vernata, 671 



Palloptera, 856 



Palmetto-leaf miner, 629, 630 



Palpicomia, 467, 469 



Palpifer, 44 



Palpiger, 46 



Palpognaths, 21 



Pamniegischia, 929 



Pamphila sassacus, wings of, 738 



Pamphiliidae, 890, 891, 897 



Pamphilinae, 737 



Pamphilius, persicus, 897; wings of, 67, 



898 

 Pankrath, 137 



Panorpa, 552; Head of, 550; wings of, 

 . 551 



Panorpodes, 553 

 Pantarbes capita, wing of, 838 

 Paniographa limata, 646, 647 

 Pantomorus fulleri, 539 

 Papilio glaucus, 742 ; larva, 742 ; glaucus 



glaucus, 742; glaucus turnus, 74.2; 



polyxenes, 74.1 ; larva, 742; win^s of, 



740; P. thoas, 173; larva of, 101; P. 



zolicaon, 742 

 Papihonidas, 583, 739, 740 

 Papilionoidea, 589, 739 

 Papilioninae, 740 

 Papirius, 229 



Paraclemensia acerifoliella, 598, 599 

 Parafacials, 780 

 Parafrontals, 780 

 Paraglossae, 43 

 Paragnatha, 43; of Machilis, 221 



