122 
Prof. Ehrenberg on Microscopic Life 
7, The mass brought up by the lead from the bottom of the sea 
in the Gulf of Erebus and Terror, at the depth of 207 fathoms, 
in 63° 40' S. lat., 55° W. long. 
The following species, occasionally with distinct green ovaries, 
were found in this very small sample, mixed among the apparently 
unorganic sand. 
A. SILICEOUS POLYGASTRICA. 
1. Anaulus scalaris. 
8. Fragilaria rotuudata. 
2. BiddulpJiia 
ursina . 
9. Gallionella Sol. 
3. Coscinodiscus Apollinis. 
10. — Tympanum. 
4. — 
cingulatus. 
11. Grammatophora parallels. 
5. — 
Luna. 
12. IIemiaujuus antareticus. 
6. — 
subtilis. 
13. Rhaphoneis fasciolata. 
7. — 
velatus. 
14. Zygoceros ? australis. 
B. SILICEOUS PHYTOLITHARIA. 
15. Spongolithis acicularis. 16. Spongolithis Fustis. 
8. Sea-bottom drawn up by the lead from 270 fathom, in 
63° 40' S. lat., 55° W, long. 
A. SILICEOUS POLYGASTRICA. 
1. Achnantlics turgena. 
18. 
Fragilaria pinnulata. 
2 . 
Amphora libyca. 
19. 
Gallionella Oculus. 
3. 
Anaux.cs scalaris. 
20 . 
— Sgl. 
4. 
Biddulphia ursina. 
21 . 
— sulcata. 
5. 
Campylodiscus Clypeus. 
22 . 
Grammatophora africaua. 
6. 
Coscinodiscus Apollinis. 
23. 
— parallels. 
7. 
— gcmmifer. 
24. 
— serpentina. 
8. 
— liueatus. 
26. 
Hemiaui.us antareticus. 
9. 
— Luna. 
20 . 
Lithocampe n. sp. 
10 . 
— Oculus Iridia. 
27. 
Mesoccna Spongolithis. 
11 . 
— radiolatus. 
28. 
Navicula elliptica. 
12 . 
— subtilis. 
29. 
Podosphenia cuneata. 
13. 
Denticella lavis. 
30. 
Pyxidicula liellenica '! 
14. Discoplea Rota. 
31, 
Raphoneis fasciolata. 
16. 
— Rotula. 
32. 
Rhizosolenia Calyptra. 
16. 
Flustrella concentrica. 
33. 
— Ornithoglossa. 
17. Fragilaria Amphiceros. 
34. 
Stauroptera aspera. 
