INDEX 



Achnanthaceaj, 50. 

 Achnanthes, 50. 



brevipes, 50. 

 var. infer mn/ it i, no. 



sulspssilis (syn.), 50. 

 Algje of Shackleton's expedition, 1, 2, fi. 

 Algal flora, freshwater, of Kerguelen, 3, (\ ; of 

 South Georgia, 3, 6 ; of South Orkneys, 1,3, 0. 

 Alpine Algse in the Antarctic, 5. 

 Analmna, 3, 43. 



antarctica, 4, 43. 

 crttenula, 44. 

 var. americana, 44. 



Anficystix parasitica (syn.), 24. 

 Antarctic Alga;, freshwater, 1 ; comparison 



with Arctic freshwater Alga;, 4. 

 Aphanothece, 23. 



prasina, 23. 

 Bacillariete, 40. 

 C'alothrix, 3, 30. 



antarctica, 4, 30. 



carttlaginea, 38. 



., epiphytica, 37. 



fusca, 30. 



f/racilis, 4, 37. 



intricafa, 4, 30. 



sandvicensis, 30, 38. 



sp. (W. and G. S. West), 37. 

 Centricfe, 4. 



Chlamydomonadacefe, 2, 7. 

 Chlamijdomonas, 4, 7, 10. 



caudata, 4, 7. 



ehrenlergi, 5, 7, 10. 



gigantea, 9. 



intermedia, 5, 7, 0, 1 0, 32. 



f. antfiretica, 10. 



marina, 9. 



subcaudata, 5, 6, 7, 32 ; cyst- 



formation of, 0, 8. 

 Chlorella, 10. 



conglomerata, 1C. 

 regular is, 1C. 

 Ghloromonm, 10. 



alpirut, 5, 10. 



Chroococcacea;, 3, 6, 21. 

 Chroococcm, 3, 21. 



., helvetints, 22. 



minor, 4, 22. 



minuhis, 4, 21. 



., fiirt/ii/i/:?, '21. 



Conjugate, 2, 3, 0, 20 ; occurrence of, in fresh- 

 water algal flora of Antarctic, 3, G. 

 Coscinodiscaceas, 4(!. 

 Coscinodisrw, 47. 



tlecipieiiR, 47. 



(/r/>w.s, 47. 



var. i/dlliipagenslK, 47. 



htmstris. 47. 



^ 'iiticulf/rur (sect. Nostoc), key to species of , 41 . 

 Cyanophycese, 2, 21 ; abundance of, in Ant- 

 arctic regions, 2, 3 ; hetcrocystou s forms, 

 :!, ; representation in Arctic regions, 4. 

 Cyanophyceous sheets, 3 ; epiphytic flora 



of, 3, 4. 

 Cyclotelht, 47. 



opermlatd, 47. 

 Dactylococcopsis, 22. 



antarctica, 22. 



,, montana, 23. 



muckola, 23. 



,, rJutphidwide*, 4, 22. 



Dentietila, 49. 



., frii/'ula (syn.), 49. 



inflata (syn.), 49. 



tennis, 4'.). 



var. antarctica, 49 ; var. fri- 



gida, 49 ; var. inflata, 49. 

 Desmids, in Antarctic regions, 2, 3, 21 ; in 



Arctic regions, 4. 

 Duttoma, 50. 



ehrenleryi (syn.), 50. 

 elongatum, 50. 

 var. elmnliergi, 50. 



Diatornacea:, 50. 

 Diatoms, in the Antarctic, 3, G. 

 Dolic/iospermum (sect. Anabwna), 44. 

 Epiphytic flora on Cyanophyceous sheets, 3, 4. 

 Eucapsis, 5, 25, 20. 



