576 



INDEX. 



Oligochasta, 439. 

 Oliva, 373. 

 Olive-Fly, 71. 

 Olivella, 373. 

 Olives, 373. 

 Olividse, 373. 

 mmatostrephes, 334. 

 Omphalotropis, 390. 

 Oncidiidse, 349. - 

 Oniscoidea, 275. 

 Oniscus, 276. 

 Onychoteuthidse, 337. 

 Onychoteuthis, 337. 

 Oonopidze, 228. 

 Ophiactis, 315. 

 Ophiothrix, 307. 

 Ophiuroidea, 306. 

 Opiliones, 238. 

 Opisthobranchiata, 352. 

 Opisthoporus, 390. 

 Opisthophthalmus, 216. 

 Opisthothelas, 224. 

 Orbitelariee, 230. 

 Orbitolites, 556. 

 Organ-Pipe Coral, 517. 

 Orgygia, 107. 

 Oribatidee, 245. 

 Ormers, 396. 

 Ornithoctoninae, 225. 

 Orntthomyia, 75. 

 Ornithoptera, 91. 

 Ortalis, 72. 

 Orthesia, 199. 

 Orthoceras, 339. 

 Orthoceratidse, 339. 

 Orthonectidx, 473. , 

 Orthoptera, 159, 166. 

 Orthorrhapha, 50. 

 Osmia, 42. 

 Ostracoda, 282. 

 Os^rea, 408. 

 Ostreida, 408. 

 Otopoma, 389. 

 0iwZa, 383. 

 Owl- Moths, 111. 

 Oxopeei, 218. 

 Oxybelus, 36. 

 Oxygyrus, 394, 

 Oxynoidse, 364. 

 Oxyrhyncha, 259. 

 Oxystomata, 259. 

 Oxyuris, 453. 

 Oysters,. 408. 



Pachymerus, 16. 

 Pachytylus, 181. 

 Painted Lady, 86. 

 Paleeoblattina, 166. ' 

 Palxmon, 269. 

 Palsemonidaz, 269. ' 

 Palasophonus, 215, 

 Palinuridas, 263. 

 Palinurus, 263. , ' 

 Pafofo, 434. 

 Palpatores, 240. 

 Palpicornes, 140. 

 Palpigradi, 220. 

 Paludicella, 422, 424; 

 Palystes, 232. 

 Palythoa, 503. 

 Pamphila, 92. 

 Pandalidse, 270. 



Pandalns, 270. 

 Pandora, 417. 

 Pajidoridse, 417. 

 Panorpa, 163. 

 Panorpidse, 162. 

 Pantopoda, 248. 

 Papilio, 91. 

 Papilionidss, 91. 

 Paramenia, 400. 

 Paranebalia, 280. 

 Pararge, 88. 

 Parasita, 360. 

 Parastacidas, 268. 

 Parthenopea, 282.- 

 Parthencptdas, 260. 

 Passalidte, 141. 

 Patella, 397. 

 PatelliddR, 397. 

 Pauropoda, 213. 

 Paussidse, 136. 

 Paussus, 136. 

 Peacock- Butterfly, 85. 

 Pea-Moth, 120. 

 Pearl-Mussel, 412. 

 Pearl-Oysters, 407. 

 Peden, 409. 

 Pectinibranchiata, 370. 

 Pectinicornia, 140. 

 Pectinida, 409, 485. 

 P^is, 485. 

 Pectunculus, 405. 

 Pedalium, 447. 

 Pedicularia, 384. 

 Pediculina, 201. 

 Pedipalpi, 217. 

 Pelagothuria, 313. - 

 Pelecypoda, 401. 

 Pelican's Foot, 385. 

 Pellibranchiata, 359. 

 Pelomyxa, 552. 

 Peltogaster, 282. 

 Penxidea, 270. 

 Penseus, 270. 

 Peneroplis, 556. 

 Pennatula, 513. 

 Pennatulidse, 511. 

 Pennella, 283. 

 Pentacrinus, 298. 

 Pentamera, 129. 

 Pentastomida, 247. 

 Pentastomum, 247.- 

 Pentatoma, 188. 

 Pentatomatida, 188. 

 Pentrcmitcs, 303. 

 Pepper-Moth, 114. 

 PeracUs, 367. 

 Perforata, 554. 

 Peripatidte, 287. 

 Per'qmtoides, 288. 

 Peripatopsis, 288. 

 Peripatus, 288. 

 Periphragella, 539. 

 PeripJiylia, 494. 

 Periplaneta, 185. 

 Periwinkles, 386. 

 Pcr^a, 172. 

 Perlidee, 171. 

 Petalocrinus, 301. 

 Petiolata, 17. 

 Phalangiidse,, 241. 

 Phalangium, 240. 

 Phalera, 99. 



P/iascolosoma, 444. 

 Phasianclla, 395. 

 Phasmatidse, 182. 

 Pheronema, 539. , 

 Philanthidas, 36. 

 PMlantlms, 36. 

 Philine, 363. 

 Philinidse, 363. - 

 Philodromus, 344. 

 Phl&obium, 135. 

 Pholadacea, 416. 

 Pholadidee, 416. 

 Pholadomya, 418. 

 PAoZos, 416. 

 Pholcidte, 230. 

 Pholcus, 230. 

 P/io.9, 377. 

 Phrcatoicidca, 276. 

 Phreatoicus, 276. 

 Phreoryctes, 440. 

 Phronima, 279. 

 Phrygane idte, 161. 

 Phylactolsemata, 421. 

 Phyllidia, 355. 

 Phyllirhoe, 358. 

 Phyllium, 183. 

 Phyllodoce, 434. 

 Phyllodromia, 185. 

 Phyllopoda, 285. 

 Phyllotreta, 157. 

 Phylloxera, 197. .' 

 Phymosoma, 444. 

 Physa, 351. 

 Physalia, 482. 

 Physidte, 350. 

 Physo})hora, 481. 

 Physophoridse, 483. 

 Physopsis, 351. 

 Phytocoridse, 190. 

 Phytocoris, 190. 

 Phytophaga, 155. 

 Phytoptida, 246. 

 Phytoptus, 246. 

 Pilidium, 458. 

 Pilocystis, 297. 

 Pimpla, 25. 

 Pimplariinse, 24. 

 Pine-Moth, 112. 

 Pinnoctopus, 331. 

 Pinnotheridse, 259. 

 PiopUla, 72. 

 Pm^a, 383. 

 Pisania. 377. 

 Pisaura, 234. 

 Pisauridse, 234. 

 Pisidium, 414. 

 Placuna, 404. 

 Plagiostoma, 410. 

 Plagitelarias, 230. 

 Planar ians, 471. 

 Pftwies, 259. 

 Planipennia, 162. 

 Planorbis, 350. 

 Plant-Bugs, 190. 

 Plant-Lice, 196. 

 Platycrinus, 299. 

 Platyhelminthcs, 459. 

 Platyparea, 71. 

 PlatyrrhacJius, 212. 

 Pleurobranchidas, 364. 

 Pleurobranchus, 364. 

 Pleurophyllida, 355. 



