INDEX. 



Achnanthaceae, 50. 



Ai-liiiimtlies, 50. 



lireri/ifs, 50. 

 var. i liter nird'ui, 5i(. 



sttbsfssilis (syn.), 5(1. 

 Algie of Shackleton's expedition, 1, 2, G. 

 Algal flora, freshwater, of Kerguelen, 3, i; : of 

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

 Alpine Alga; in the Antarctic, 5. 

 Analcma, 3, 43. 



anfarctica, 4, 4;!. 

 ccttcnula, 44. 

 ,, var. amerifana, 44. 



Anacystis parasitica (syn.), 24. 

 Antarctic Alga?, freshwater, 1 ; comparison 



with Arctic freshwater Alga', 1 . 

 Aplianothece, 23. 



prasina, 23. 

 Bacillariece, 4(1. 

 I 'nlothrLr, 3, 30. 



aiitarcliea, 4, 30. 

 cart ilctgi urn, 3s. 

 ., epiphytica, 37. 

 ., fusca, 36. 

 ,, r/raciUs, 4, 37. 

 intricata, 4, :'>G. 

 ., sandt't'-ensis, 3(1, 3*. 



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

 Gentries, 4. 



Chlamydomonadacete, 2, 7. 

 Ghlainydomonas, 4, 7, 10. 



c/niiliitii, 4, 7. 



ehrenbergi, 5, 7, 10. 



gigrmteu. It. 



intermedia, 5, 7, !), 10, 32. 



f. rtiittiri'ti-i'/t, 10. 



marina, 9. 



siibcaiuldtti, 5, G, 7, 32 ; cyst- 



formation of, G, s. 

 GhloreVa, 1C. 



conglomerata, 1G. 

 rtgularis, lli. 

 fia, lo. 



aljiinii, 5, in. 



Chroococcacea\ 3, G, 21. 

 ^ '/irtiornri'us, 3, 21. 



helvetinix, 22. 

 minor, 4, 22. 



mi 11 nt us, 4, 21. 



., fin-i/it/its, 21. 



Con jugatse, 2, 3, G, 20 ; occurrence of, in fresh- 

 water algal flora of Antarctic, 3, G. 

 Coscinodiscacese, 4G. 

 Ciisi-iiHii/ixri/x, 47. 



(h'fi/ripiis, 47. 



r/rixpiis, 47. 



var. gallapagensis, 47. 



l<ii tistris. 47. 



I'litinilnriii (sect. Nosstoc), key to species of, 41. 

 Cyanophycea?, 2, 21 ; abundance of, in Ant- 

 arctic regions, 2, 3 ; heterocystoi:s forms, 

 :!, G ; representation in Arctic regions, 4. 

 Cyanophyceous sheets, 3 ; epiphytic flora 



of, 3, 4. 

 C't/cJoMhi, 47. 



operculata, 47. 

 Dactylococcopsis, 22. 



,, untarctica, 22. 



,, montana, 23. 



muciciiln, 23. 



rhaphidwides, 4, 22. 



DC n tit' ul a, 40. 



fi-iijidit (syn.), 4'J. 



,, injlitta (syn.), 4'.). 



toi/s, 411. 



var. antarctim, 49 ; var. ///- 



gidu, 49 ; var. inflata, 49. 

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



Arctic regions, 4. 

 Diiitumii, 50. 



,, ehrenbergi (syn.), 50. 

 I'hnii/iitinil, 50. 

 ,, ^'ar. ehrenbergi, ;">o. 



Diatomacese, 50. 

 Diatoms, in the Antarctic, 3, G. 

 Dolirlinxjirriiuim (sect. Anubcrna), 44. 

 Epiphytic flora on Cyanophyceous sheets, 3, 4. 

 Eur(<psis, 5, 25, 2G. 



