INDEX 



269 



Myriotrichia (Fig 23), 95, 117 



Naccaria (Plate V.) (Fig. 65), 215 



Nemcdion (Plate V.j, 209, 210 



Nemalionacetv , 207 



Nemastomecc, 238 



Nematophycus, 143 



Neomeris (Fig. 45), 152, 155 



Nereia, 86, 87 



Nereocystis, 77, 79, 85 



Nitophyllum, 202, 230, 232 



Node, 190 



Nodule, 190 



Notheia (Fig. 5), 42, 47, 49, 51 



Nostoc, 254 



Noakocaccvt, 251 



Nostocece, 252 



Odonthalia, 235 



Ooblastema filament (Fig. 82), 204 



Oogonium (Figs. 2 and 34), 49, 58 



61, 128 



Oscillaria, 249 

 Oscillariece, 255 



(Plate II.), 61, 63 

 Palmophyllum, 180, 181 

 Pelagic Algae, 17 

 Pelvetia (Plate L), 51, 55, 68 

 Penicillus (Fig. 38), 137, 138, 139 



140, 144, 161 

 Peridiniece, 181 

 Perithalia, 86, 87 

 Perizonium, 194 

 Petrocdis, 241 

 Petrospongium, 92, 93 

 Peyssonellia, 241 

 Phacelomrpus (Fig. 70), 224 

 PhaopMa, 170, 172, 173 

 Ph<t'ophycea>, 39 

 Phhvospora, 102, 104 

 Phloiocaulon, 115 

 Phormidium, 257 

 Phycocelis, 117 

 Phycocyanine, 4 

 Phycoerythrine, 4 

 Phycophaeine, 4 



Phycoxanthine, 4 

 PhyllUie, 108 



Phyllophora (Plate VI.), 216, 219, 



220 



Phyllospora, 47, 55 

 Pinnularia (Fig. 59) 

 Planktoniella (Fig. 60) 

 Plectonema, 255, 257 

 Pleonosporium, 237 

 Pleurocapsa, 179 

 Pleurococcacea 1 , 179 

 Pleurodadia, 115, 116 

 Pleurostichidium, 235 

 Plocamitim (Fig. 72), 224, 230 

 Plumaria, 237 

 Pollinoid (Fig. 62A), 63, 202 

 Polycystis, 261 

 Polyides (Plate VIII.) (Fig. 82), 



239, 240 



Polyphysa, 145, 147 

 Polydphonia, (Plate VII.) (Fig. 



77), 233, 235 

 Polytrypa, 154 



Porphyra (Plate V. ), 247, 248 

 Porphyroglossum, 215 

 Postelsia (Figs. 15 and 17), 77, 79, 



81, 85 



Prasiola, 180, 181 

 Preservation in spirits, 30 

 Pringsheimia, 174, 176 

 Protococcacece, 177 

 Pterodadia, 215 

 Pterosiphonia, 235 

 Pterygophora, 78, 85 

 Ptilonia, 233 

 Pti/ophora, 215 

 Ptilopogon, 115 

 Ptilota, 237 

 Ptilothamnion, 237 

 Punctaria, 105, 108 

 Pycnophycus, 55 

 Pylaiella, 119 

 Pyrocystis (Fig. 57), 184, 185 



, 109, 110 



108 



Range in depth, 5 

 Raphe, 190 



