594 



INDEX. 



Nematorhyncha, 509, 575. 

 Neujatoseolices, 575, obO. 

 Nemcrtidse, 105, ICO. 

 Neoinenia, 571. 

 Nephelis, 192. 

 Nerve, 27, 29. 

 Nervous system, 61. 

 Neuroptera, 360, 375, 377. 

 Noetiluca, 40, 90-92. 

 Notodelphys, 241, 242. 

 Notommata tardigrrada, 170. 

 Nova Scotian coalfossiJs, 342. 

 Nucleus, 17. 48, 74. 

 Nucu'a, 408, 410. 

 Nudihranchiata, 424, 437, 438. 

 Nulllpore, 15(», 151. 

 Numiuulites, 79. 

 Nyctotlierus, £7, 98. 



OCTOCOEALLA, 143, 146. 



Octopoda, 452, 46i». 



Odontophora, 404, 417, 419, 573. 



Oligochteta, 60, 1S9, 193, 198, 199, 213, 574. 



Onchidum, 00. 



Oniscid^ 316. 



Oniscus, 219, 313. 



Ophiodes, 119. 



Ophiolepis ciliata, 484. 



Ophiuridea, 460, 482. 



Opbrydidfe, 100. 



Opistliobranchiata, 437, 438. 



Oplstliomum, 159. 



Orbulina, 79. 



Orders, 23. 



'• Organized," meaning of, 15. 



Organs, 28, 64, 65. 



Origin of living matter, 41. 



"Origin of Species," 37. 



OrthidfE, 403, 404. 



Orthoptera, 304, 306, 375, 377, 381, 333. 



Ossicula auditus, 65. 



Ostracoda, 221, 251. 



Ostraea, 408-417. 



Oviparous animals. 67. 



Ovoviviparous animals. 67. 



Oxidation, waste of living matter by, 10. 



Oxvuris. 547. 



Oyster, 408. 



Pagurid^, 299, 



Palaeocyclus, 153. 



Palaeontology. See Fossils. 



Palinurus vulgaris, 293. 



Paludina, ISO, 181, 425, 426. 



Pangenesis. 41. 



Paranioecium, 4«', 96-100. 



Parasites. 4.5, 67, 171, 1S1-1P.3, 187, 237, 241, 



242. 2.53, 202, 263, 314, 331,334,863, 387, 



416.440, .5.00.553. 

 Pasteur's experiments, 12, 13. 

 Patellidae. 438, 444. 

 Pecten. 408-410. 

 Pectostraca, 253. 

 Pedalion. 170. 171. 

 Pedicellina. 571, 582. 

 Pedicels, 54. 



Pediculina, 362, 868. 



Pelagia, 132, 133. 



Peltogaster paguri, 262. 



Peneus. 30U-302. 



Penicillium, 45. 



Pennatnlidae, 145. 



Pentacriuus. 500. 



Pentastomida, 225, 234, 573. 



Pentastonium taenioides, 335. 



Pentremites, 509. 



Perennibranchiata. 58. 



Perforata, 79, 146-150, 153. 



Peridineae, 70, 98. 



Peripatidea, 225, 534, 573. 



Peritricha, 95, 96, 100. 



Perla nigra, 304. 



Peroniadae, 440. 



Peronia verruculata, 443. 



Peronospora, 45, 46. 



Phalangidje, 326. 



Phallusia. 51.5, 520. 



Pharyngopneusta, 577. 



Pbarvngopneustal series, 581. 



Pholas. 4U0, 408, 417. 



Phoronis, 217, 218. 



Phrosina, 815. 



Phrj-nidap, 326. 



Phylaetolaemata, 572. 



Phyllodoce, 214. 



- — viridis, 211. 



Phyllopoda, 242. 



Phjilosomata, 307, 308. 



Phylogeny. 42. 



I'hysalia. 115. 12?, 1.30. 



Ph\-semaria, .552, 574, 575, 585. 



Phvsiologv. 9, 16, 26. 



Physophondfp, 117. 128-1.32. 



Pilidium gvrans. 105, 160. 



Pisidium, 414. 415. 

 Placenta. 07, 101. 



Piagiostome fishes. 67. 

 Planaria, 161, 192, 575. 



dioica. 161. 



Plants. 31-83, 44, 08. 



Pleurobranchia, 155.. 



Pleurodictvon, 1.53. 



Plumatella" repens, 390, 391. 



Plumularidae, 118. 



Pocillopora, 148. 



Podophrva fixa, 94. 



Podophthalmia, 230, 264. 



Poduridae, 382. 



Poecilopoda, 228. 



Polian vesicles. 468, 483. 



Polyarthra, 171. 



Polycelis. 192. 



— - laevigata, 161. 



Polvcha>ta. 66, 189, 199, 200, 207, 574, 575w 



Polycistina, 83. 



Polygordius. .575. 



Polykricos, 96. 



Polvmvaria. 549. 



Polynde. 200. 



hinulati, 210. 



squamata, 200-207, 212. 



Polyophthalmus, 200, 212. 

 Polypes, 31, 62, 110. 

 Polvpide, S90. 

 Polvpite, no. 

 Polvplacophora, 430, 433, 578. 



