19-i 



COLLINS AND HEHVET. 



calcicola, 24. 



vaginata, 23. 

 Scinaia, 101. 



complanata, 101. 



furcellata, 101. 



var. complanata, 101. 

 Scytonema, 25. 



crustaceum, 26. 



figuratum, 26. 



m'-rahile, 25. 



myochrous, 26. 



ocellatiim, 25. 



thermale, 25. 



varimn, 25. 

 Scytonemaceae, 25. 

 Scytosiphon, 73. 



Lomentaria, 73. 

 Seirospora Gaillonii, 137. 



Griffithsiana, 137. 

 Siphonocladus, 52. 



rigidus, 52. 



tropicus, 62. 

 Spatoglossmn, 84. 



Areschougii, 84. 



guineensis, 93. 



Schroederi, 84. 

 Spermothamnion, 132. 



flabellatum, 140. 



gorgoneum, 18, 132. 



investiens, 132. 

 var. ddaricola, 132. 



macromeres, 132. 

 Sphacelaria, 72. 



furcigera, 72. 



fusca, 72. 



novae-hollandiae, 72. 



tribuloides, 38, 72. 

 Sphacelariaceae, 72. 

 Sphaenosiphon prasinus, 18. 

 Sphaerococcaceae, 108. 

 Bphaerococcus Gelidium, 106. 



isiformis, 107. 



Xactuca var. luxurians, 149. 



■.rigens, 113. 



^pinelhts, 112. 



Textorii, 110. 

 Sphaerozyga Thwaitesii, 24. 

 Spirogyra, 30. 



decimina, 30. 



var. submarina, 30. 



submarina, 30. 

 Spirulina, 18. 



rosea, 18. 



subsalsa var. oceanica, 19. 



tenerrima, 18. 

 Sporochnaceae, 77. 



Sporochnus, 77. 



adrialicus, 77. 



Bolleanus, 77. 



pedunculatas, 77. 

 Spyridia, 142. 



aculeata, 142. 



var. Berkeleyana, 143. 

 var. hjfpneoides, 11, 143. 



Berkeleyana, 143. 



complanata, 143. 



filamentosa, 142. 

 Stephanocoelium pusillum, 63. 

 Stichococcus, 32. 



subtilis, 32. 

 Stigonema, 26. 



informe, 26. 

 Stigonemaceae, 26. 

 Stilophora, 77. 



rhizodes var. adriatica, 77. 

 Stilophoraceae, 77. 

 Streblonema, 71. 



parasiticum, 71. 



sphaericum, 71, 74. 

 Slriaria intricata, 74. 

 Struvea, 52. 



ramosa, 62. 

 Symploca, 22. 



muscorum, 22. 



violacea, 22. 

 Synechococcus, 14. 



aeruginosus, 14. 

 Synechocystis, 14. 



aquatilis, 14, 15. 



Taenioma, 117. 



macrourum, 117. 



perpusilluin, 117. 

 Taonia atomaria, 91. 



Schroederi, 84. 

 Tetraspora, 30. 



lubrica, 30, 40. 

 Tetrasporaceae, 30. 

 Tilopteridaceae, 77. 

 Tolypothrix, 26. 



tenuis, 26. 

 Tremellacruenia, 152. 

 Trentepohlia, 41. 



aurea, 41. 

 Trentepohliaceae, 41. 

 Trichodesmium, 20. 



Thiebaultii, 20. 

 Trichogloea, 98. 



Herveyi, 11, 12,27, 98. 

 Trichosolen antillarum, 61. 

 Turbinaria, 79. 



trialata, 79. 



