652 
Notopterus afer, 306. 
(Xenomystus) nigri, 306. 
novaeangliae, Perdita (Alloperdita), 
523; 
nudus, Thamnophthorus, 178. 
nurse, Alestes, 312, 316. 
Brachyalestes, 316. 
Myletes, 316. 
Nybelinia palliata, 25, 31. 
Nyctomelitta, 579. 
Nylaeus, 560, 579. 
nymphae, Bombus, 552. 
oaxacae, Gerrhonotus, 364, 367, 368. 
oberon, Sceloporus jarrovii, 360. 
oberti, Bombus, 579. 
Oterobombus, 579. 
Obertobombus, 579. 
obliterata, Nomada, 557. 
oblongatum, Anthidium, 590. 
obscura, Viereckella, 607. 
obscurum, Lepidophyma flavomaculat- 
um, 379. 
obseurus, Gerrhonotus, 364, 369. 
Neodryocoetes, 181, 183. 
Ophicephalus, 345. 
Rhizotrogus assimilis, 175. 
obtusifolium, Gnaphthalium, 15. 
occidentalis, Colletes, 532. 
Diphaglossa, 5382. 
Drymobius margaritiferus, 
382, 383. 
Equus, 518. 
Juniperus, 407, 412, 4381, 456, 468, 
471, 472, 478. 
Petersius, 312, 316. 
Polyphylla, 175. 
Thuja, 458, 464, 465, 472, 474. 
Trypanea, 13, 17. 
Urellia, 17. 
occipitale, Pachyanthidium 
thidium), 605. 
occulor, Lepidophyma, smithii, 378, 379, 
380. 
ochoterenai, Gerrhonotus, 364, 368. 
ochracea, Dasiapis, 544. 
ochrias, Halictus, 568. 
Megalopta (Megaloptella), 568. 
ocularis, Luperodes, 59, 71, 72. 
oculata, Audouinea, 127. 
oculinova, Squilla, 58, 55 (fig.). 
Odocoileus, 517, 518. 
sheridanus, 518. 
sp., 481. 
odoé, Hepsetus, 312, 315. 
Salmo, 315. 
Sarcodaces, 315. 
Odontalictus, 579. 
Odontochlora, 579. 
odontogaster, Osmia, 522. 
Odontostelis, 579. 
Odyneropsis, 579. 
holosericea, 579. 
Oecophoridae, 274. 
Oediscelis, 579, 591, 593. 
prosopoides, 591. 
381, 
(Trichan- 
PROCEEDINGS OF THE NATIONAL MUSEUM 
VOL. 02 
Oediscelis (Pseudiscelis) rostrata, 593. 
vernalis, 579. 
oenotherae, Megachiloides, 567. 
Oestropsis, 579. 
pubescens, 554, 579. 
ogilviei, Rhinochaetula, 556. 
Systropha (Systrophidia), 602. 
oleracea, Euterpe, 195. ‘ 
oligoporus, Sceloporus horridus, 361. 
Oligotropus, 579. 
campanulae, 579. 
olisthaeriformis, Holosus, 84. 
Holosus (Relinda), 84, 85, 90. 
olivaceus, Gerrhonotus, 365. 
oliveirae, Nectarodiaeta, 575. 
oliveri, Imantodes splendidus, 388, 391. 
olivieri, Xylocopa, 592. 
Omachtes, 580. 
capensis, 593. 
eapicola, 600. 
earnifex, 580. 
Omachthes, 558. 
omiltemanus, Sceloporus mucronatus, 
352, 355, 357. 
Ondatra, 511. 
idahoensis, 511. 
sp., 481, 511. 
zibethica, 511. 
Oneilella, 278. 
rufopetiolata, 278. 
Onychomys, 490, 508, 509. 
bensoni, 481, 489, 490, 509. 
leucogaster, 490. 
leucogaster ruidosae, 509. 
pedroensis, 480, 509. 
torridus, 490. 
Ooencyrtus, 41, 49, 50. 
anabrivorus, 49. 
opalina, Apista, 528, 547. 
Opandrena, 580. 
Ophelia denticulata, 102, 130. 
limacina, 102, 130. 
Opheliidae, 128. 
Ophelina agilis, 102, 129. 
maculata, 102, 129. 
Opheltoideus, 289. 
johnsoni, 289. 
Ophicephalidae, 345. 
Ophicephalus, 345. 
obscurus, 345. 
Ophichthus rufus, 302. 
Ophichthys (Sphagebranchus) biittiko- 
feri, 306. 
ophiurus, Gerrhonotus liocephalus, 365, 
369. 
Opisthorhyssa, 279. 
bifasiata, 279. 
Opisoxestus, 280. 
ferrugineus, 280, 281. 
Opisthoxestus, 280. 
Opuntia, 69. 
opuntiae, Heriades, 528. 
Perdita (Lutziella), 539, 566. 
oraniensis, Ancyla, 525, 588. 
Phileremus, 587. 
Schmiedeknechtia, 598. 
