(i&6 
Oribata lucasii, Nic, 384. 
Oribatula oblonga, 380. 
— plantivaga, Berl., 380. 
— tibialis, Beii., 380. 
Ornithoorina, Orb., 314. 
Ornithopoia, Orb., 314. 
— avieularia, Orb., 314. 
Ornithoporina, Orb., 314. 
— avieularia, Orb., 314. 
— flabellata. Orb., 315. 
-fiahvllata (?), 315. 
Orthotheciiim chryseiim, Schimp., 45 
Owl, courtship activities, 289. 
Oxytricha pellionella, Kent, 457. 
— sp,, 453. 
Pacliychalina sp. (?), 500. 
PaleEinachus, Woodw., 52. 
Palfeogenetic and palseomorpliic, use 
defined, 99. 
Palseozoic Dipnoi, structure of (^^'atson & 
Gill), 163-216. 
Palps of Chlorops, 409. 
Papilio dardanus, Fabr., mimicry in, 290. 
Paraglossse of Chlorops, 408. 
Paralelapia nipponica, Mbzawa, 488. 
Parapostgenal thickening in Chlorops, 
406. 
Parasterina crassa, Fisher, 243 ; distrib., 
230. 
Parawaldeckia, Stebb., 3. 
— Iddderi, Tatt.% 2, S, 18. 
• — I'homsoni, Stebb., 3. 
Parharpinia, Stebb., 4, 5. 
— villosa, Stebb., 2, 4, 18. 
Parocciput of Chlorops, 405. 
Patellina, Williams., 629. 
— corrugata, Williams., 629. 
Patiria (?) crnssa, Gray, 243. 
Pavonina, Orb., 619. 
— flabelliformis. Orb., 619. 
Peacock, courtship activities, 277,280,287, 
290. 
Peewit, courtship activities, 277. 
Pelican, courtship activities, 269, 282. 
Peltigera, Willd., naite on, 379. 
Peneroplis, Montf., 610. 
— carinatus, Orb., 610. 
— pertusus, Brady, 610. 
Penguins, courtship activities, 282, 285. 
Pennatulacea from Abrolhos, 21. 
Pentagonaster, C. F. Schidtxe, nientd., 243. 
— diibeni. Gray, mentd., 238. 
— stibarus, H. L. Chirk, 208; distrib., 
230, 232. 
Pentlaudiat, mentd., 212-21.3. 
Peregrine, courtship activities, 280. 
Periscyphops prasconius, Budde-Lund, 108. 
Petalomonas angusta, 407, 465. 
Petalostegus, Lev., 315. 
— bicoruis, I,ev., 315. 
Petrasia dura, Vosm., 478, 498. 
Petrels, courtship activities, 281. 
Patricia obesa, H. L. Clark *, 241 ; distrib., 
230, 232. 
— vernicina, mentd., 242. 
Phalanterium consociatum, Fres., 463, 465. 
— digitatum, Stein, 463, 465. 
— solitarium, Sando?i *, 463, 464, 475 ; 
mentd., 457. 
Phaneropleuron t, mentd., 204, 212-213. 
Phaulocylliba virgata, Ilalb.*, 377-379. 
Pheasants, courtship activiLies, 277, 280, 
290. 
Phidiana inea, 570. 
— lynceus, 570. 
Philyra brevis, 40, 54. 
— iKvis, 72, 79. 
Philyxia undecimspinosa, 54. 
Phlceodiotyon abrolhoaenis, Dendy*, 478. 
500, 519. 
— seychellense, Dendy, 501. 
— sp., 501. 
Phoronis, Wriffbt?, 393, 398. 
Phryganella, Penard, 470. 
— nidulus, Penard, 470. 
Pliyletic succession, 83. 
Phyllirhoe liohtensteini, Fschsch., 522. 
Phyllomitus sp., 452, 465. 
Phyllotegeus palmicinctum, Halb.*, 379. 
Pho.vus batei, Hasw., 5, 6. 
— villosus, Hasw., 4, 5. 
Physcia, DC, mite on, 380. 
Pigeon, courtship activities, 276, 285. 
Placobranchus, Hass., 539, 640. 
— expansa, O'Son. *, 523, 539, 578. 
Placopsilina, Orb., 614. 
— cenomana. Orb., 614. 
PlaniceUaria, Orb. f, 315. 
— eocena, Meun. & Perg. t, 313. 
— f enestrata. Orb. f, 315. 
