CRYPTOGAMIA ANTARCTICA. [Puegia, the 
8. FRAGILARIA constricta, Ehrb. Kitz. l.c. p. 46. t. 29. f. 95, c. 
Haz. Falkland Islands; on marine Conferve, Lesson. 
Found in the volcanic tuff of the Rhine, and in Mexico. 
9. FRAGILARIA rhabdosoma, Ehrb. F. capreina, Kite. p. 45. t. 36. f. iii. 
Has. Falkland Islands; on marine Conferve, Lesson. 
A frequent inhabitant of pools and ditches in England, and many other parts of the world, including Asia, 
Africa, America and the South Sea Islands. In the sand-hills of Patagonia, and in the volcanic tuff of the Rhine. 
10. FRAGILARIA Trachea, n. sp. Ehrb. Schrift. Berl. Akad. l. c. 
Has. Falkland Islands; on marine Conferve, Lesson. 
11. FRAGILARIA Ventriculus, n. sp. Ehrb. 2. c. 
Has. Falkland Islands; on marine Conferve, Lesson. 
3, MELOSEIRA, ۰ 
1. MELOSEIRA n.sp.? filis moniliformibus tenuissime striatis pedunculo gelatinoso affixis, frustulis per 
paria coadunatis, junioribus spheericis demum compressis, apicibus utrinque convexis. Thwaites, MS. 
Has. Kerguelen's Land; in the sea. 
M. globifere, Harv. simillima, sed frustulis adultioribus semper compressis differt. Fila striata ut in M. globifera. 
Thwaites, MS. 
4. PYXIDICULA, ۰ 
1. PyxipIcULA dentata, n. sp. Ehrb., Schrift. Berl. Akad. May, 1844. 
Has. Victoria Barrier; in Pancake-ice: 
2. Pyxipicuna Hellenica, Ehrb. l. c. 
Has. Victoria Barrier; in Pancake-ice. Graham’s Land; in mud from 270 fathoms (doubtful as 
to species). 
This has been found fossil in Bermuda, the ZEgean Sea, and Maryland, U.S. 
3. Pyxrprcuta n.sp.? Ehrb. 7 c. 
Has. Victoria Barrier; in mud from 190 fathoms. 
4. PYxXIDICULA sp. ? 
Haz. In the stomachs of Salpe, Lat. 66? S. Long. 157° ۰ 
5. HEMIZOSTER, y. e. ۰ 
1. Hemizoster tubulosus, Ehrb., Schrift. Berl. Akad. May, 1844. 
Has. Victoria Barrier and Land; in Pancake-ice.. 
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