60 
INDEX. 
(Hdogoniaceze, occurrence of, in the Ant- 
arctic, 6. 
Oscillariex, 3, 6. 
Oscillatoria, 3, 33. 
5 brevis, 35. 
5 deflera, 35. 
y formosa, 35. 
- irigua, 4, 38. 
. hoettlitzi, 4, 34. 
ss limosa, 34. 
* proboscidea, 33. 
a producta, 35. 
x simplicissind, 33, 
5 s var. antarctica, 35; f. 
acuminata, 34; f. spiralis, 34. 
5 subprobosculea, 38. 
os tenuis, 4, 5, 34. 
3 »  f. w@ruginosa (syn.), 33. 
Oscillatoriacese, 26. 
Penium, 20. 
m7 eruciferum, 21, 
5 sp., 5, 20. 
Periodicity of Antarctic freshwater algal 
flora, 6. 
Pheeophycex in freshwater flora of Ant- 
arctic, 6. 
Phormidium, 3, 5, 30. 
_ anyustissimum, 31, 32. 
a antarcticum, 5, 32. 
3 autumnale, 30. 
5 fragile, 31. 
os rigidum, 5, 31. 
A glaciale, 32. 
as laminosum, 30. 
19 tenue, 31. 
5 treleasi, 32 
Pleurococcacex, 12. 
Pleurococcus, 2, 3, 12. 
antarcticus, 3, 4, 5, 12. 
a ri f. filamentosa, 13, 14 ; 
f. minor, 18, 14; f. robusta, 
12, 18, 14; f. simplex, 12, 14 ; 
f. stellata, 14 ; f. typica, 12, 13. 
a conglomeratus (syn.), 16. 
Fe dissectus, 3, 5, 16. 
4 Srigidus, 3, 12. 
A koetthitzi, 3, 4, 15. 
: pachydermus, 9. 
Pe ‘ forma (W. and G, 
5. West), 9. 
5 regularis (syn.), 16. 
Podosira, 46. 
4 montagnei, 46. 
Polycystis firma (syn.), 24. 
Prasiola, 2, 3, 4, 5, 16. 
antarctica, 17. 
Ks calophylla, 19. 
crispd, 16, 17, 18, 19, 20; akinetes 
Ot, Ue 
Prasiolacez, 16. 
Protococcaces, 11. 
Protococcales in freshwater flora of Ant- 
arctic, 6. 
Protoderma, 16. 
Reproduction in Anabena antarctica, 44; 
in Calothrix gracilis, 88 ; in Chlamydomonas 
subcaudata, 8; in Daetylococcopsis ant- 
arctwa, 22; in Eucapsis minuta, 26; in 
Lyngbya erugineo-cvrulea, 28 ; in Nodularia 
quadrata, 45; in Nostoe disciforme, 39 3 in 
NV. longstaffi, 40; in Pleurococcus koettlitzi, 
15; in Prasiola crispa, 17. 
Rhodophyceze in freshwater flora of Antarctic, 
6. 
Rivulariacez, 36. 
Scytonematacez, 38. 
Siphonales in freshwater flora of Antarctic, 6. 
Spores of Anabena antarctica, 44; of Calothrix 
gracilis, 38; of Nodularia quadrata, 45; 
of Nostoe disciforme, 39; of N. longstaffi, 
40. 
Snow-floras, 2, 5. 
South Georgia, Alege of, 3, 6. 
South Orkneys, - he (Gy We 
Stauroneis, 50. 
anceps, 30. 
var. amphicephala, 50. 
Surirella, 54. 
x angusta, 5, o4. 
Surirellacexw, 5+. 
Syimploca, 26. 
sp., 26. 
5) thermalis, 26. 
Tabellariacere, 49. 
Tolypothria, 38. 
< conglutinata, 38. 
Trochiscia, 11. 
55 crassa, 11. 
Tropidoneis levissina, 4. 
Ulothrix, 2, 11. 
subtilis, 11. 
var. variabilis, 4, 11. 
” 
Ulotrichace, 11. 
Ulotrichales in freshwater algal flora of 
Antarctic, 6. 
Vaucheria in freshwater flora of Antarctic, 6, 
