722 



CALIFORNIA ACADEMY OF SCIENCES 



[Proc. 4th Ser. 



Octhera mantis, 334 

 Ocydromia glabricula, 266 

 Ocyptera dosiades, 301 

 ocypterata, Aphria, 301 

 Odontomyia arcuata, 231 



cincta, 231 



hoodiana, 231 



pilosa, 231 

 CEcothea fenestralis, 318 

 OEdaspis atra, 325 

 cedipus, Spogostylum, 244 

 CEstridK, 297 

 CEstrus ovis, 297 

 Oldroyd, T. S., 401 



Mrs. T. S., 401 

 Olfersia americana, 344 

 Oligochiton, 425, 431 



lioplax, 405, 425, 431 

 olivacea, Caretta, 53 

 Olivella, 6, 7, 14 



biplicata, 550 

 Olophrum fuscum, 164 

 olympiad, Tachytrechus, 265 

 onca, Rana, 28, 30 

 Oncodes melampus, 239 

 Oncomyia abbreviata, 295 



loraria, 295 



modesta, 296 

 ontarioensis, Cnemodon, 372 

 onyx, Crepidula, 564 

 opacum Lyrasoma, 161 

 opacus, Eremocoris, 117 



Tabanus, 234 

 opinator, Syrphus, 283 

 optiva, Tipula, 106, 107 

 opulenta, Trachykele, 677 

 orbitalis, Hydrotaea, 310 

 orbona, Agromyza scutellata, 341 . 

 orcutti, Sceloprous, 51, 61 

 ordinoides vagrans, Thamnophis, 29, 37, 

 40, 46, 52 



couchii, Thamnophis, 29, 38 



elegans, Thamnophis, 29, 37 



hammondii, Thamnophis, 52 

 oreas, Systoechus, 247 

 oreganus, Crotalus, 29, 38, 53 

 oregona, Cladura, 205 



Dziedzickia, 219 



Pipiza, 276, 382 



Zagonia, 340 

 oregonensis, Aricia, 311 



Coerrosia, 314 



Erioptera, 204 



Hormosomyia, 224 

 oriens, Piophila, 176 

 Ormosia subcornuta, 204 



stylifer, 204 

 ornata, Uta, 28, 51 

 ornatissimus, Conus, 5, 7, 9, 13 



Ornithomyia anchineura, 344 

 Orpet, E. O., 691 

 Ortalidns, 327 

 Orthocladius nivoriundus, 212 



obumbratus, 212 



sordidellus, 212 

 Orthoptera, 193 



Orthoptera, Neuroptera, Hemiptera and 

 Lepidoptera from the Pribilof Is- 

 lands, Alaska, by Edward P. Van 

 Duzee, 193-195 

 Orthotylus dodgei, 129 



marginatum, 130 



serus, 131 

 Osburn, R. C, 202 

 osburni, Tabanus, 234 

 Oscinidae, 336 

 Oscinis coxendix, 337 



frit, 337 



sulphurihalterata, 337 

 O'Shaughnessy, M. M., 657 

 Osmont, Vance, 551 

 Osterhoudt, E. G., 632, 644 

 Ostrea, 6, 8, 10, 12, 15 



lurida, 560, 563, 566, 567, 568 

 Otis, Ira C, 691 



Our North American Species of 

 Strongylocoris, by Edward P. 

 Van Duzee, 135-136 

 ovalis, Cryptomya, 550 

 oviirus, Melophagus, 344 

 ovis, CEstrus, 297 

 Owen, Virgil W., 614, 644, 691 

 pachycera, Chrysops, 232 

 pachyceras, Symphoromyia, 237 

 Pachynem.atus venustus, 190 



vermus, 191 

 Pachyophthalmus floridensis, 301 

 pacifica, Dalmannia, 295 



Didea, 281 



Sepedon, 322 



Urellia, 327 

 pacificus, Neoborus, 121 



Syrphus, 283 

 Pack, Herbert J., 644 

 Packard, Earl L., 528, 644, 681 

 paeta, Irbisia, 150 

 palabuanensis, Conus, 17 

 Palacios, Hon. Alberto, 658 



Joaquin, 666 

 pallipes, Chilosia, 279 



Sargus, 230 

 pallinervis, Sarcophaga, 307 

 Palloptera jucunda, 324 



terminalis, 324 

 palmulatus, Callistochiton, 403, 410 



mirabilis, Callistochiton, 489, 



415, 489 

 palposa, Lispa, 314 



