Page:The Botany of the Antarctic Voyage.djvu/548

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FLORA ANTARCTICA.
[Fuegia, the

2. Vitukvlaria peregrina (?), Ehrb. Navicula peregrina, Kiltz. Hab. Cockburn Island; ill the dirt of a Penguin rookery. Falkland Islands, Lesson.

The true P. peregrina is a native of the open ocean near the Brazilian coast, and has been found fossil in Virginia, U. S., and living at St. Domingo, Cuba, and Labrador.

20. NAVICULA, Bory.

1. Navicula elliptica, n. sp. Ehrb. Schrift. Bed. Akad. May, 1844. Hab. Graham's Land; in mud from 270 fathoms.

2. Navicula amphioxys, Ehrb. Kiltz. p. 91. t, 28. f. 37.

Hab. Falkland Islands; on marine Conferva, Lesson.

This has also been collected Mving in Chih, Cayenne and Cuba, in various alluvial deposits, as the Brazils, Iceland, and in the natural paper of Silesia.

3. Navicula Didyma (?), Kiitz.

Hab. Falkland Islands ; on marine Conferva, Lesson.

The true N. Didyma is a native of a salt-water Lagoon in Germany. 4. Navicula Lyra, Ehrb. Kiitz. p. 94. t. 28. f. 55, c.

Hab. Falkland Islands ; on marine Conferva, Lesson.

5. Navicula viridis, Kiitz. p. 97. t. 4. f. 18. and t. 30. f. 12.

Hab. Falkland Islands ; abundant on marine Conferva, Lesson, J. D. H.

One of the most widely dispersed of all Diatomacea, found abve in fresh waters of England, Scotland, and Ireland, in the natural paper of Silesia, in the Sandwich and Marian Islands, and West Tropical Africa, also in alluvial deposits of Iceland, Labrador and Peru.

21. STAUROPTEBA, Ehrb.

1. Stauhopteea aspera, Ehrb. Infus. Amer. p. 134. t. 1. Kiitz. p. 106. t. 12, c.

Hab. Graham's Land; in mud from 270 fathoms. Falkland Islands, Lesson.

This has been collected in Norway, Spitzbergen, Iceland and Labrador, Mexico, Cuba, Peru j on the sand-hills of Patagonia, and in Peruvian guano.

2. Staukopteua capitata, n. sp. Ehrb. Schrift. Bert. Akad. May, 1844.

Hab. Cockburn Island ; on the ground in a Penguin rookery.

22. AMPHORA, Ehrb.

1. Amphora Libyca, Ehrb. Kiitz. p. 107. t. 29. f. 28, c. Hab. Graham's Land; in mud from 270 fathoms.

Originally detected in the oasis of Sivah, and since foimd in various quarters of the globe, as Iceland, Labrador, the Oregon River and United States ; at the Euphrates River, in African guano, and in the volcanic tuff of the Rhine.