594 



INDEX. 



Nematorhyncha, 569, 575. 

 Nematoscolices, 575, 580. 

 Nemertidae, 105, 166. 

 Neomenia, 571. 

 Nephelis, 192. 

 Nerve, 27, 29. 

 Nervous system, 61. 

 Neuroptera, 366, 375, 377. 

 Noctiluca, 46, 90-92. 

 Notodelphys, 241, 242. 

 Notommata tardigrada, 170, 

 Nova Seotian coal fossils, 342. 

 Nucleus, 17, 48, 74. 

 Nucula, 408, 416. 

 Nudibrancbiata, 424, 437, 438. 

 Nullipore, 150, 151. 

 NummuHtes, 79. 

 Nyctotberus, 91, 98. 



OCTOCOEALLA, 143," 146. 



Octopoda, 452, 460. 



Odontophora, 404, 417, 419, 573. 



Oligocbaeta, 66, 189, 193, 198, 199, 213, 574. 



Oncbidum, 60. 



Oniscida^, 316. 



Oniscus, 219, 313. 



Ojibiodes, 119. 



Opbiolepis ciliata, 484. 



Opbiuridea, 466, 482. 



Opbrydidae, 100. 



Opist'bobrancbiata, 437, 438. 



Opistbomum, 159. 



Orbulina, 79. 



Orders, 23. 



" OrgaDized." meaning of, 15. 



Organs, 28, 64. 65. 



Origin of living matter, 41. 



"Origin of Species," 37. 



Orthidae, 403, 404. 



Ortboptera, 364, 366, 375, 377, 381, 383. 



Ossicula auditus. 65. 



Ostracoda, 221, 251. 



Ostrsea, 408-417. 



Oviparous animals, 67. 



Ovoviviparous animals, 67. 



Oxidation, waste of living matter by, 10. 



Oxj'uris. .547. 



Oyster, 408. 



Pagttrid^, 299, 



Palaeocyclus, 153. 



Palaeontology. See Fossils. 



Palinurus vulgaris, 293. 



Paludina, 180, 181, 425, 426. 



Pangenesis. 41. 



Paranioecium, 48, 96-100. 



Parasites. 4.5, 67, 171, 181-183, 187, 237, 241, 



242, 253. 262, 263, 314, 331,334,363, 387, 



416,440,5.50.553. 

 Pasteur's experiments, 12, 13. 

 Patellidfc. 438. 444. 

 Pecten. 408-416. 

 Pectostraca, 253. 

 Pedalion, 170, 171. 

 Pedicellina. 571, 582. 

 Pedicels, 54. 



Pediculina, 362, 368. 

 Pelagia, 132, 133. 

 Peltogaster paguri, 262. 

 Peneus, 300-302. 

 PeniciUium, 45. 

 Pennatulidae, 145. 

 Pentacriuus. 500. 

 Pentastomida, 225, 234, 573. 

 Pentastonmm taenioides, 335. 

 Pentremites, 509. 

 Perennibrancbiata. . 58. 

 Perforata, 79, 146-150, 153. 

 Peridineaj, 76, 93. 

 Peripatidea, 225, 534, 573. 

 Peritricba, 95, 96, 100. 

 Perla nigra, 364. 

 Peroniadae, 440. 

 Peronia verruculata, 443. 

 Peronospora, 45, 46. 

 Pbalangidse, 326. 

 Pballufeia, 515, 520. 

 Pbaryngopneusta, 577. 

 Pba^^'ngopneustal series, 581. 

 Pbolas, 406, 408, 417. 

 Pboronis, 217, 218. 

 Pbrosina, 315. 

 Pbrynidae, 326. 

 Pbylactolaemata, 572. 

 Pbyllodoce, 214. 



viridis, 211. 



Phyllopoda, 242. 

 Pbyllosomata, 3U7, 308, 

 Pbylogeny, 42. 

 Pbysalia, 115. 12^ 130. 

 Pbysemaria, 552, 574, 575, 585. 

 Pbysiology. 9, 16, 26. 

 Pbj^sopboridffi, 117. 128-132. 

 Pilidium gvrans, 165, 166. 

 Pisidium, 414, 415. 

 Placenta, 67, 101. 

 Piagiostome fisbes. 67. 

 Planaria, 101, 192, 575. 



dioica. 161. 



Plants. 31-33. 44, 68. 

 Pleurobrancbia, 155, 

 Pleurodictyon, 153. 

 Plumatella repens, 390, 391. 

 Plumularidae, 118. 

 Pocillopora, 148. 

 Podopbrva fixa, 94. 

 Podopbthalmia, 230, 264. 

 Poduridae, 382. 

 Pcecilopoda, 228. 

 Poban vesicles. 468, 483. 

 Polyartbra, 171. 

 Polycelis, 192. 



laevigata, 161. 



Polycbsta, 66, 189, 199, 200, 207, 574, 575. 



Polycistina, 83. 



Polygordius. 575. 



Polykricos, 96. 



Polymyaria, 549. 



Polynoe, 200. 



lunulata, 210. 



squamata, 200-207, 212. 



Polyopbtbahnus, 200, 212. 

 Polvpes, 31. 62, 110. 

 Pol'vpide, 390. 

 Polvpite, 110. 

 Polyplacopbora, 430, 433, 573. 



