INDEX 



487 



Pelagia, 183, 139. 



P. cyanella, 133, 139. 

 Pelagic, 23. 



Flora, 38. 



Pelecypoda, 301, 320, 321, 405, 

 409, 420. 



Classification of, 419. 

 Peltogaster, 239, 256. 

 Pen, 467. 

 Penaeus, 240, 260. 



P. brasiliensis, 240, 260. 



P. setiferus, 240, 260. 

 Penicillus, 51, 58. 



P. capitatus, 51, 58. 



P. dumentosus, 51, 58. 



P. Phoenix, 51, 58. 

 Pennaria, 124. 



P. gibbosa, 116, 124. 



P. tiarella, 116, 124. 

 Pennatula, 141. 



P. aculeata, Plate XLVII. 



P. borealis, Plate XLVII. 

 Pennatulacea, 141, 153. 

 Pentaceros, 204, 210. 



P. occidentalis, 204, 210. 



P. reticularis, 204, 210. 

 Pentacerotidae, 204, 210. 

 Pentacrinus, 234, 235. 

 Pentacta, 228, 232. 



P. frondosa, 43, 228, 232. 

 Pentagonasteridae, 204, 209. 

 Pericardium, 341, 416. 

 Pericolpa, 133, 136. 



P. quadrigata, 133, 136. 

 Peridinieae, 38. 

 Periostracum, 303, 425. 

 Perisaltic, 172. 

 Perisarc, 118, 119. 

 Peristome, 190, 194, 218, 303. 

 Peristomium, 176. 

 Periwinkles, 371. 

 Perna, 405, 432. 



P. ephippium, 405, 432. 

 Peromedusae, 133, 136. 

 Petricola, 407, 452. 



P. carditoides, 407, 452. 



P. pholadiformis, 407, 452. 

 Petncolidae, 407, 452. 

 Petrocelis, 78, 95. 



P. cruenta, 40, 78, 95. 

 Petrolisthes, 240, 270. 



P. armatus, 240, 270. 



P. sexspinosus, 240, 270. 

 Peyssonnelia, 78, 95. 



P. Dubyi, 78, 95. 

 Phaeophyceae, 28, 61, 62. 

 Phanerogams, 25. 

 Phanerozonia, 204, 208. 

 Phascolosoma, 162, 186. 



P. Gouldii, 162, 186. 

 Pholadidae, 407, 460. 

 Pholas, 407, 460. 



P. californica, 407, 461. 



P. costata, 407, 461. 



P. truncata, 407, 461. 

 Phoxichilidium, 242, 297. 



P. maxillare, 242, 207. 

 Phyla, 19. 

 Phyllitis, 62, 66. 



P. fascia, 62, 66. 

 Phyllodoce, 161, 175. 



P. gracilis, 161, 175. 

 Phyllodocidae, 161, 175. 



Phyllolithodes, 240, 271. 



P. papillosus, 240, 271. 

 Phyllonotus pomum, 382. 

 Phyllophora, 76, 81. 



P. Brodiaei, 76, 82. 



P. membranifolia, 76, 82. 

 Phyllopoda, 238. 

 Phyllospora, 63, 73. 



P. Menziesii, 63, 73. 

 Phylum, 19. 

 Phyncopodia helianthoides, 



207. 

 Physalia, 131. 



P. arethusa, 117, 131. 

 Pikea, 78, 94. 



P. californica, 78, 94. 

 Pill-bugs, 291. 

 Pinna, 405, 431. 



P. muricata, 405, 431. 



P. seminuda, 405, 431. 

 Pinnotheres, 241, 287. 



P. maculatum, 287. 



P. ostreum, 241, 287. 

 Pinnotheriidae, 241, 287. 

 Pitho, 241, 286. 



P. aculeata, 241, 286. 

 Placunanomia, 405, 425. 



P. macrochisma, 405, 425. 

 Planaria, 160, 167. 



P. grisea, 160, 167. 

 Planarians, 166. 

 Planarian worms, 12. 

 Plankton, 21, 23. 

 Planocera, 160, 166. 



P. nebulosa, 160, 166. 

 Planula, 120, 135. 

 Platyhelminthes, 159, 160, 



164. 



Platyonichus ocellatus, 276. 

 Pleurobrachia, 154, 156. 



P. rhododactyla, 154, 156. 

 Pleurococcus, 26. 



P. vulgaris, 25. 

 Plocamium, 77, 85. 



P. coccineum, 77, 85. 

 Plumularia, 127. 



P. falcata, 116, 127. 

 Plumularians, 116, 127. 

 Pluteus, 201, 220. 

 Polian vessels, 201. 

 Polina, 160, 170. 



P. glutinosa, 160, 170. 

 Polychaeta, 161, 172. 

 Polycirrus, 161, 182. 



P. eximius, 161, 182. 

 Polycladida, 160, 165. 

 Polyides, 78, 95. 



P. rotundus, 78, 95. 

 Polymastia, 100, 106. 



P. robusta, 100. 106. 

 Polynices, 12, 310, 314, 325, 

 335, 367. 



P. duplicata, 11, 325, 344, 

 367. 



P. heros, 3, 10, 44, 325, 343, 

 367. 



P. lewisii, 325, 368. 



P. recluziana, 325, 368. 



P. triseriata, 325, 367. 

 Polynoe, 161, 174. 



P. squamata, 161, 174. 



P. sublevis, 161, 174. 

 Polyphemus, 238. 



Polypide, 190, 192. 

 Polyplacophora, 300, 321. 

 Polyps, 111, 114, 119. 

 Polysiphonia, 77, 87. 



P. Baileyi, 77, 88. 



P. dendroidea, 77, 87. 



P. fastigiata, 43, 77, 87. 



P. fibrillosa, 77, 88. 



P. Harveyi, 77, 88. 



P. nigrescens, 77, 87. 



P. Olneyi, 77, 88. 



P. parasitica, 77, 87. 



P. urceolata, 77, 88. 



P. urceolata, var. formosa, 

 77,88. 



P. variegata, 77, 88. 



P. violacea, 44, 77, 88. 



P. Woodii, 77, 89. 

 Polyzoa, 8, 188, 191. 

 Polyzoans, 8, 12, 22. 

 Pontonema, 161, 170. 



P. marinum, 161, 170. 

 Porcelanous, 304, 345. 

 Porcellana, 240, 269. 



P. sayana, '240, 269. 

 Porcellanasteridae, 204, 208. 

 Porcellanidae, 240, 269. 

 Porcupine Island, 42. 

 Porifera, 100, 101. 

 Porites, 147. 



P. astraeaoides, Plate XLV. 



P. furcata, Plate XLV. 

 Porocidaris, 217, 222. 



P. sharreri, 217, 222. 

 Porphyra, 43, 78, 96. 



P. laciniata, 78, 96. 



P. vulgaris, 38, 78, 96. 

 Porpita, 132. 

 Portunidae, 241, 274. 

 Prawns, 258, 259. 

 Preserving invertebrates, 14. 

 Prionitis, 78, 94. 



P. Andersonii, 78, 94. 



P. lanceolata, 78, 94. 

 Proboscis, 333. 

 Procerodes, 160, 167. 



P. frequens, 160, 167. 

 Propodium, 335. 

 Prosobranchiata, 300, 324, 



349, 355. 



Prostomium, 176, 243. 

 Protista, 22. 

 Protobranchiata, 301, 405, 



420, 421. 



Protococcaceae, 38. 

 Protococcus nivalis, 25, 33. 

 Protophyta, 21. 

 Protozoa, 21, 101. 

 Pseudolamellibranchiata, 



301, 405, 420, 429. 

 Psilaster, 204, 209. 



P. florae, 204, 209. 

 Psolus ephippiger, 231. 



P. fabricii, 232. 

 Pterogorgia acerosa, Plate 



XL VI 

 Pteronotus, 326, 384. 



P. festivus, 326, 384. 

 Ptilota, 78, 92. 



P. densa, 78, 92. 



P. elegans, 78, 92. 



P. hypnoides, 78, 92. 



P. serrata, 78, ga. 



