INDEX. 



577 



Plcurotoma, 372. 

 Plcurotomaria, 396. 

 Plcurotomariidx, 396. 

 Plcurotomidse, 372. 

 Plocamophortis, 355. 

 Ploima, 446. 

 Plume-Moths, 122. 

 Plutonium, 206. 

 Pncumoderma, 366. 

 Pneumora, 182. 

 Podoaccrus, 278. 

 Podura, 203. 

 Paecilotheria, 224. 

 PoZwi, 458. 

 Polybranchiata, 356. 

 Polycai~pinea, 270. 

 Polycelis, 471. 

 Polycera, 355. 

 Polyceridse, 355. 

 Polychmta, 433. 

 Polylophus, 539. 

 Polyomniatus, 89. 

 Polymorphina, 557. 

 Polyparinm, 504. 

 Polyphloca, 100. 

 Polyphylla, 142. 

 Polyplacophora, 398. 

 Polypomedusse, 481. 

 Polysiphonia, 502. 

 Polystomem, 464. 

 Polystomella, 559. 

 Polyslomum, 466. 

 Polytremaria, 396. 

 Polyxenidm, 209. 

 Polyxenus, 209, 212. 

 Polyzonium, 211, 213. 

 Pompilidx, 33. 

 Pond-Snails, 350. 

 Pontarachna. 243. 

 Pontobdella, 444. 

 Pomtonia, 270. 

 Pontoniidae, 270. 

 Porcelain Butterflies, 86. 

 Porcellana, 261. 

 Porcellanaster, 296. 

 Porcellio, 276. 

 Porocidaris, 310. 

 Poi-ocrinus, 296, 304. 

 Poromya, 418. 

 Poromyidm, 418. 

 Portloes-ia, 110. 

 Portuguese Man-of-War, 482. 

 Portunidm, 256. 

 Portunus, 256. 

 Potamides, 385. 

 Potamobia, 264. 

 Potamobiidae, 264. 

 Potato-Beetle, 157. 

 Poterium, 543. 

 Pourtalesia, 309. 

 Prasinidx, 407. 

 Prawns, 269. 

 Praying Insects, 183. 

 Priapulidm, 445. 

 Priapulus, 445. 

 Prionns, 153. 

 Procession-Moth, 106. 

 Proctotrypidse, 22. 

 Promachocrinus, 300. 

 Prominents, 99. 

 Proncomenia, 400. 

 Prosobranchiata, 369. 



Prostcllaria, 385. 

 Prostomum, 470. 

 Proteolepas, 282. 

 Prolobranchiata, 403. 

 Protolimulus, 251. 

 Protomyxa, 552. 

 Prototracheata, 287. 

 Protozoa, 550. 

 Psammobia, 415. 

 Psammobiidae, 415. 

 Pselaphidm, 136. 

 Pselaphognatha, 209. 

 Pseudidiops, 226. 

 Pseudolamellibranchiata, 407. 

 Pscudomarginella, 374. 

 Pseudoneuroptera, 167. 

 Pseudophana, 195. 

 Pseudoscorpiones, 237. 

 Pseudoterritelariee, 227. 

 Psocidie, 175. 

 Psocus, 176. 

 iWtws, 312. 

 Psyche, 102. 

 Psychidse, 102. 

 Psychropoles, 313. 

 Ps?/^«, 196. 

 Psyllidse,, 195. 

 Ptenoglossa, 391. 

 Pteroceras, 385. 

 Ptcrocyclus, 390. 

 Ptcroides, 513. 

 Pteromalidee, 21. 

 Pteromatus, 23. 

 Pteronotus, 379. 

 Pteropoda, 365. 

 Pterophoridee, 122. 

 Pterophorus, 122. 

 Pterosoma, 394, 458. 

 Pterothysanidee, 111. 

 Pterotrachea, 394. 

 Pterotracheidse, 394. 

 Pterygotus, 251. 

 Ptinidse, 146. 

 Pdmws, 146. 

 Pulex, 76. 

 Pulicidse, 75. 

 Pulmonata, 342. 

 Pimicturella, 397. 

 Pupa, 347. 

 Pupidae, 347. 

 Pupina, 390. 

 Pupipara, 74. 

 Purpura, 379. 

 Pusionella, 372. 

 Puss-Moth, 99. 

 Pycnogouum, 248. 

 Pylotoma, 388. 

 Pyralidee, 118. 

 Pyrameis, 86. 

 Pyramidellidm, 392. 

 Pyraztis, 385. 

 Pyrocystis, 564. 

 Pyrophorus, 144. 

 Pyrrhocoris, 189. 

 Pythia, 349. 



Radiolaria, 561. 

 Radius, 384. 

 Ragactis, 500. 

 Ranatra, 192. 

 Randla, 381. 

 Rangia, 413. 



Rapana, 380. 

 Razor-Shells, 415. 

 Recluzia, 392. 

 Red Coral, 516. 

 A'cc&'a, 468. 

 Reduviidm, 191. 

 Reduvius, 191, 244. 

 Requienia, 415. 

 Rctepora, 420, 423. 

 Retina, 119. 

 Retitelarise, 230. 

 Rhabditis, 451. 

 Rhabdoccda, 469. 

 Rhabdoliths, 557. 

 Rhabdonema, 451. 

 Rhachiglossa, 372. 

 Rhagium, 154. 

 Rhaphidia, 163. 

 Ate;, 236. 



Rhinoceros- Beetle, 143. 

 Rhipidius, 147. 

 Rhipidoglossa, 394. 

 Rhipidophorida?; 147. 

 Rhipidophorus, 147. 

 Rhizocephala, 282. 

 Rhizochilus, 380. 

 Rhizocrinus, 298. 

 Rhizopoda, 552. 

 Rhizosphsera, 562. 

 Rhizostoma, 492. 

 Rhizota, 447. 

 Rhizotrogus, 142. 

 Rhodites, 19. 

 Rhodocera, 92. 

 Rhopalocera, 83. 

 Rhopalodina, 313. 

 Rhopalura, 473. 

 Rhyacophilidm, 162. 

 Rhynchites, 150. 

 Rhynchocinetes, 269. 

 Rhynchonella, 428, 430. 

 Rhynchonellidse, 428, 430. 

 Rhynchophoms, 152. 

 Rhynchota, 159, 187. 

 Ricinulei, 241. 

 Rimula, 397. 

 Ringicvla, 363. 

 &», 387. 

 Rissoidm, 387. 

 River-Mussels, 411. 

 Robber-Flies, 59. 

 Rock-Lobsters, 263. 

 iteto, 413. 

 Rotifera, 445. 

 Round-Worms, 448. 

 Rove-Beetles, 135. 

 Rutilia, 71. 



Sabclla, 438. 

 Saccocoma, 301. 

 Sacculina, 282. 

 Sagartia, 503. 

 Sagitta, 457. 

 Sagra, 155. 

 /SWcfa, 191. 

 Saldidse, 191. 

 Saltigradse, 234. 

 Sand-Flies, 58. 

 Sand-Hopper, 277. 

 Sand-Worm, 435. 

 Saprinus, 139. 

 Sarcophaga, 67. 



VOL. VI. 



-37 



