572 



PROCEEDINGS OF THE NATIONAL MUSEUM 



VOL. 90 



Oecophoridae, 33, 34, 36, 268. 



Oegoconia latipeunis, 228, 229. 



ohioensis, Castoroides, 349, 352. 



Oligoclase, 415. 



Oligoplites saui-ns, 418, 427. 



olivaceus, Vireo, 514. 



olivaris, Leptops, 441. 



Olivine, 408, 414, 415. 



onitis, Tautoga, 418, 421. 



Onohippidium, 352. 



outariella, Depressaria, 174, 175. 



Ontocetus oxymycterus, 366. 



opercularioides, Callionymus, 26, 27. 



Eleutherochir, 27. 

 opercularis, Callionymus, 26. 



Eleutherochir, 26, 29. 



Synchiropus, 27. 

 Oporornis agilis, 518. 



formosus, 518. 

 Oracodon conulus, 319. 

 orcutti, Canis, 361. 

 oregonensis, Agonopterix, 47, 50, 53, 56, 



65, 281, 284. 

 oregonensis, Pteranodou, 369. 

 Oreodon culbertsoni, 351. 

 Oreosaurus gracilis, 832, 377. 



lentus, 332, 377. 



microdus, 333, 377. 



minutus, 333, 377. 



vagaus, 333, 377. 

 Oriole, orchard, 521. 

 orites, Anoncia, 269. 

 Ornithomimus affinis, 332. 

 Orthosia hibisci, 2P3. 

 oryzivorus, Dolichonyx, 521. 

 osborni, Trigonias, 330, 343, 372. 

 Osmia, 470. 



cordata, 470. 



cornuta, 470. 



emarginata, 470. 



lignaria, 470. 



rufa, 470. 



taurus, 480. 

 Osmorhiza, 84, 85. 



brevipes, 84. 



divaricata, 84. 



occidentalis, 84. 

 ossifragus, Corvus, 504. 

 Ostrya vix'giniana, 196. 

 Otocoris alpestris praticola, 501. 

 Ototriton anceps, 332. 

 Otus asio asio, 492. 



asio naevius, 492. 

 ovata, Carya, 34, 216. 

 ovatus, Styracosaurus, 369. 

 Ovenbird, 518. 

 Ovibos yukonensis, 356. 

 oweni, Testudo, 351. 

 Owl, Florida barred, 492. 



southern screech, 492. 

 Oxydactylus gibbi, 372. 

 oxymycterus, Ontocetus, 366. 



Pachyaena gigantea, 371. 

 packardella, Enicostoma, 151. 



Epigraphia, 151. 



Semioscopis, 150, 151, 155, 279, 284. 



Palaeocrex fax, 334. 

 Palaeogyps prodromus, 334. 

 Palaeophis virginianus, 333, 393. 

 Palaeoplancus sternbergi, 371. 

 Palaeosciucus rugosidens, 369. 

 Palaeosyops, 370. 

 Palaeotherium bairdii, 307. 

 Palapteryx elephantopus, 348. 

 Paleontology, vertebrate, a history of 



the division of, in the United States 



National Museum, 305. 

 I'alinurichthys perciformis, 418, 420. 

 pallidella, Agonopterix, 45, 47, 50, 53, 82, 



88, 281, 285. 



Agonopteryx, 88. 

 Depressaria, 88. 

 pallidior, Passerina ciris, 524. 

 pallidus, Synchiropus, 23 (fig.), 

 palmaria, Vulpes, 335. 

 pahnarum, Dendroica palmarum, 517. 

 palmeri, Parietobalaena, 359. 

 paloiisella, Depressaria, 164, 166, 168, 



171, 286. 

 palustris, Telmatodytes palustris, 507. 

 Pamlico fossil echinoids, 443. 

 panaetius, Tachina, 291. 



Tachinomyia, 288, 290, 291, 296 



(fig.)- 

 Pancalia grandis, 247. 

 pansa, Tachina, 291. 

 Paracallionymus, 1. 

 Parahippus, 3(58. 

 Paralbula dorisiae, 377. 



niarylandica, 377. 

 Paralichthys dentatus, 418, 427, 434. 



oblongus, 418, 428, 434. 

 Paramylodou harlani, 374. 

 Parapavo californicus, 365. 

 Parasaurolophus tubicen, 369. 

 Parasites, cestode, of teleost fishes of 

 Woods Hole Region, Massachusetts, 

 417. 

 Parasterina, 451, 452, 455. 



a note on the genus, 447. 



crassa, 455. 



occidentalis, 455. 

 Paratheta astigmatica, 39. 

 Pareiasaurus baini, 356. 

 Paridae, 504. 



Parietobalaena palmeri, 359. 

 Pariotlchus, 361. 

 paru, Peprilus, 418, 434. 

 Passerculus sandwichensis labradorius, 

 526. 



sandwichensis oblitus, 526. 



sandwichensis savanna, 526. 

 Passerella iliaca iliaca, 528. 

 passerina, Spizella passerina, 528. 

 Passerina ciris ciris, 523. 



ciris pallidior, 524. 



cyanea, 523. 

 Pastinacea sativa, 175. 

 pastinacella, Haemilis, 174, 175. 

 Patiria, 451, 452. 



bellula, 451, 452. 



coccinea, 451. 



crassa, 451, 452. 



