60 



INDEX. 



CEdogoniacese, occurrence of, in the Ant- 

 arctic, 6. 

 Oscillarieffi, 3, 6. 

 Oscillatoria, 3, 33. 

 „ hrevis, 35. 



„ deflexa, 35. 



„ formosa, 35. 



„ irrigua, 4, 33. 



„ Jcoettlitzi, 4, 34. 



„ limosa, 34. 



,, lirolioscidea, 33. 



,, producia, 35. 



„ simplicissima, 33. 



„ ,, var. aiitarctica , 33 ; f. 



acuminata, 34 ; f. spiralis, 84. 

 „ siibprohoscidea, 33. 



„ tenuis, 4, 5, 34. 



„ „ f. mruginosa (syn.), 33. 



Oscillatoriacese, 26. 

 Penium, 20. 



„ cruciferum, 21. 

 sp., 5, 20. 

 Periodicity of Antarctic freshwater algal 



flora, 6. 

 Pheeophyceaj in freshwater flora of Ant- 

 arctic, 6. 

 Phormidium, 3, 5, 30. 



,, angustissinmm, 31, 32. 



,, antarcticum, 5, 32. 



,, autumnale, 30. 



fragile, 31. 

 „ frigidum, 5, 81. 



„ glaciate, 32. 



„ laminosiim, 30. 



,, tenue, 31. 



„ treleasi, 32. 



Pleurococcacese, 12. 

 Pleurococcus, 2, 3, 12. 



,, antarcticus, 3, 4, 5, 12. 



., „ f.fllamentosa, 13, 14 ; 



f. minor, 13, 14; f. rohusta, 

 12, 13, 14 ; f . simplex, 12, 14 ; 

 f. stellata, 14 ; f. /«/^ifrt, 12, 13. 

 „ conglomeratus (syn.), 16. 



„ dissectus, 3, 5, IG. 



„ frigidus, 3, 12. 



„ Jcoettlitzi, 3, 4, 15. 



,, pachydermus, 9. 



„ „ forma (W. and G. 



S. West), 9. 

 „ regularis (syn.), 16. 



Podosira, 46. 



,, montagnei, 46. 



Polycystis firma (sjn.), 24. 

 Prasiola, 2, 3, 4, 5, 16. 

 „ anlarctica, 17. 

 „ calophylla, 19. 



„ msjja, 16, 17, 18, 19, 20; akinetes 

 of, 17. 

 PrasiolaceEe, 16. 

 Protococcaceffi, 11. 



Protococcales in freshwater flora of Ant- 

 arctic, 6. 

 Protoderma, 16. 



Eeproduction in Anahcena antarctica, 44 ; 

 in Oalothrix gracilis, 38 ; in Ghlamydomonas 

 sulcaudata, 8 ; in Dactylococcopsis ant- 

 arctica, 22 ; in Eitcapsis miniita, 26 ; in 

 Lyngiya cerugineo-ccerulea, 28 ; in Nodularia 

 qimdrata, 45 ; in Nostoc disciforme, 39 ; in 

 N. longstaffi, 40 ; in Pleurococcus Jcoettlitzi, 

 15 ; in Prasiola crispa, 17. 

 Khodophyceae in freshwater flora of Antarctic, 



6. 

 Rivulariaceas, 36. 

 Scytonematacese, 38. 



Siphonales in freshwater flora of Antarctic, 6. 

 ^'^ox^ oi AnalicEna antarctica, 44 ; oi Oalothrix 

 gracilis, 38 ; of Nodularia quadrata, 45 ; 

 of Nostoc disciforme, 39 ; of N. longstaffi, 

 40. 

 Snow-floras, 2, 5. 

 Sonth Georgia, Algis of, 3, 6. 

 South Orkneys, „ 1, 6, 7. 

 Stauroneis, 50. 



„ anceps, 50. 



„ ,, var. ampJiicephala, 50. 



Surirella, 54. 



„ angusta, 5, 54. 



Surirellacese, 54. 

 Symploca, 26. 



sp., 26. 

 ,, thermalis, 26. 

 TabellariaceEB, 49. 

 Tolypothrix, 38. 



„ conylutinata, 38. 



Trochiscia, 11. 



„ crassa, 11. 

 Tropidoneis Icevissima, 4. 

 Ulothrix, 2, 11. 



„ suhtilis, 11. 



„ „ var. variaUlis, 4, 11. 



Ulotrichacese, 11. 

 Ulotrichales in freshwater algal flora of 



Antarctic, 6. 

 Vaucheria in freshwater flora of Antarctic, 6. 



