r 



Ahnfeldtia, 104. 

 Alaria, 99. 

 Anabsena, 92. 

 Ascophyllum, 99. 



Asperococcus, 9S. 

 Bangia, 100. 

 Beggiatoa, 90. 

 Bostrychia, 108. 

 Brachytrichia, 91. 

 Bryopsis, 95. 

 Callithamnion, 100. 

 Calothrix, 91. 

 Castagnea, 98. 

 Ceramium, 102. 

 Cha^tomorpha, 93. 

 Champia, 105. 

 Chondriopsis, 106. 

 Chondrus, 104. 

 Chorda, 98. 

 Chordaria, 98. 

 Chroococcus, 89. 

 Cladophora, 94. 

 Cladostephus, 97. 

 Clathrocystis, 90. 

 Corallina, loS. 

 Cystoclonium, 104, 

 Dasya, 108. 



Delesseria, 106. 



Derbesla, 96. 



Desmarestia, 96. 



Dictyosiphon, 96. 



Ectocarpus, 97. 



Elachistea, 97. 



Euthora, 104. 



Entophysalis, 89. 



Erythrotrichia, 100. 



Fucus, 99. 



Gelidium, T05. 



Gigartina, 104. 



Gloeocapsa, 89. 



Goniotrichium, 100. 



Gracilaria, 106. 



Griffithsia, T02. 



GrinnelHa, 105. 



Gymnogongrus, 104 



GENERIC INDEX. 



Halurus, 102. 

 \ liildenbrandtia, 100. 



Hypnea, 105. 

 Isactis, 91. 

 Jania, loS. 

 Laminaria, 98. 

 T.eathesia, 98. 

 Leptothrix, 90. 

 Lomeiitaria, 104. 

 Lyngbya, 90. 



Melobesia, 109. 

 Mesogloia, 98. 

 Microcoleus, 90. 

 Monostroma, 92. 

 Myrionema, 97. 

 Myriotrichia, 96. 

 Nodularia, 92. 

 Oscillaria, 90. 

 Phyllitis, 96. 

 Phyllophora, T03. 

 Polycystis. 90. 



Polyides, 105. 

 Polysiphonia, 107. 

 Porphyra. 100. 

 Ptilota, 102. 

 Punctaria, 96. 

 Ralfsia, 98. 

 Rhabdonia, 105. 

 Rhizocloniuin, 94. 

 Rhodomela, 107. 

 Rhodymenia, 104. 

 Rivularia, 91. 

 Sargassum, 99. 

 Sq?tosiphon, 96. 

 Spermothamnion, 100. 

 Sphacelaria, 97. 

 Spirulina, 90. 

 Spyridia, 103. 

 Stilophora, 98. 



Striaria, 98. 

 Trentepohlia, loo. 



Ulva, 92, 

 Ulothrix, 93. 

 Vaucheria, 99. 

 XencM:occus, 89. 



r\^ 



Issued Aug. 24, ic^og. 



