294] 



The Classification of Lower Organisms 



Plistophora, 222 



Plistophoridae, 222 



Plocapsilina, 186 



Plocapsilinidae, 186 



Plowrightia morbosa, 140 



Pneumobacilliis, 22 



Podangium, 28 



Podaxacea, 152 



Podaxaceae, 152 



Podaxon, 152 



Podocyathus, 236 



Podophrya, 235 



Podophyridae, 235 



Podophryina, 235 



Podosphaera, 132, 133 



Polyangiaceae, 28 



Polyangidae, 27 



Polyangium, 28 



Polychaos, 202 



Polychytrium, 117 



Polycystidea, 209, 216 



Polycystina (of Ehrenberg), 189, 198 



Polycystina (of Delage and Herouard), 



217 

 Polydinida, 101 

 Polygastrica, 223 

 Polykrikida, 100, 101 

 Polykrikos, 101 

 Polymastigida, 158, 163, 164 

 Polymastigidae, 165 

 Polymastigina, 158, 163, 165 

 Polymastix, 163, 165 

 Polymastix melolonthae, 164 

 Polymorphina, 187 

 Polymorphinida, 187 

 Polymorphinidae, 187 

 Polymorphinina, 187 

 Polymyxa, 178, 179 

 Polyphagaceae, 117 

 Polyphagus, 111, 117 

 Polyphagus Euglcnae, 116, 117 

 Polyporacea, 151 

 Polyporaceae, 151 

 Polyporales, 150 

 Polyporei, 151 

 Polyporus, 151 

 Polysiphonia nigrescens, 49 

 Polysiphonia violacea, 45, 46 

 Polysiphonieae, 51 

 Polysomatia, 179, 185 

 Polysphondylium, 203 

 Polysphondylium violaceum, 204 

 Polysporea, 209,211 

 Polystichinae, 82 

 Polystictus, 151 

 Polystomclla, 186, 187 

 Polystomella crispa, 181 

 Polystomellina, 187 

 Polythalamia, 179, 185 

 Polytoma, 61 

 Pontifex, 202 

 Pontisma, 81 



Pontosphaera, 60 

 Pontosphaeraceae, 60 

 Porospora, 218 

 Porosporida, 218 

 Porosporidae, 218 

 Porphyra, 43 

 Porphyra laciniata, 42 

 Porphyra tenera, 42, 43 

 Porphyra umbilicaris, 42, 43 

 Porphyraceae, 43 

 Porphyrea, 41, 43 

 Porphyreae, 43 

 Porphyridiacea, 41 

 Porphyridiaceae, 41 

 Porphyridiales, 4l 

 Porphyridium, 3, 40 

 Porphyridium cruentum, 41 

 Postelsia palmaeformis, 90, 91 

 Poteriochromonas, 60 

 Poteriodendron, 67 

 Poteriodendron petiolatum, 68 

 Pouchetia, 101 

 Pouchetiida, 100, 101 

 Pouchetiidae, 101 

 Prasiola, 3, 40, 44 

 Prasiolaceae, 44 

 Primalia, 37 



Primigenium, Regnum, 37 

 Proboscoidella, 166 

 Progastreades, 94, 95 

 Pronoctiluca, 101 

 Prorocentraceae, 99 

 Prorocentrales, 99 

 Proroccntridae, 99 

 Proroccntrina, 99 

 Prorocentrinea, 98 

 Prorocentrinen, 99 

 Prorocentrum, 99 

 Prorodon, 229 

 Protamoeba, 189 

 Proteomyxa, 189, 190 

 Proteomyxiae, 189, 190 

 Proteomyxida, 189 

 Proteromonadidae, 159 

 Protcromonadina, 158 

 Proteromonas, 159 

 Proterospongia Haeckcli, 68 

 Proteus diffluens, 201 

 Proteus vulgaris, 22 

 Protista, 4, 6, 37, 189 

 Protistcs trichocystiferes, 94, 95 

 Protoascineac, 130 

 Protobasidiomycetes, 145, 146, 150 

 Protobionta, 6, 37 

 Protochrysis, 98 

 Protociliata, 228 

 Protoctista, 1, 4,6,8, 10,37 

 Protodennieae, 171 

 Protodinifcr, 101 

 Protodiniferida, 100, 101 

 Protodiniferidae, 101 

 Protodiscineae, 137 



