Page:The Botany of the Antarctic Voyage.djvu/555

Falklands, etc.] 6. Dictyocha Ornamentum, Elirb.; I. c. Feb. 1844.

Hab. Victoria Barrier ; in Pancake Ice. In a floating scum, Lat. 64° S., Long. 1G0° W.

Tertiary deposits of Sicily contain tins species.

7. Dictyocha septenaria, Ehrb. ; I.e.

Hab. Victoria Barrier; in Pancake Ice, and in mud from 190 fathoms. Previously found fossil in the tertiary deposits of Oran.

8. Dictyocha Speculum, Ehrb.; Kutz. Kiesel. Bacill. p. 140. t. 21. f. 22. c.

Hab. Victoria Barrier; in Pancake Ice, and in mud at 190 fathoms. In the stomachs of Salpm, Lat. 66° S., Long. 1 57° W. In a floating scum, Lat. 64° S., Long. 160° W.

A widely distributed species, found living in the North Sea and Atlantic, fossil at North Africa. Greece, and Sicily, and in Maryland, U.S.

46. RHIZOSOLENIA, Ehrb.

1. Rhizosolenia Calyptra, n. sp., Ehrb.; Schrift. Berl. Mad. Hay, 1844.

Hab. Victoria Barrier; in Pancake Ice. Graham's Land; Gulf of Erebus and Terror, in mud from 270 fathoms.

2. Rhizosolenia Ornithoglossa, n. sp., Ehrb.; I. e.

Hab. Victoria Barrier; in Pancake Ice, and in mud from 190 fathoms. Graham's Land; Gulf of Erebus and Terror, in mud at 270 fathoms. Both these species have recently been detected in the Bermuda Islands.

1. ARTHRODESMUS, Ehrb.

1. Arthrodesmus Tarda, Ehrb.; Schrift. Berl. Ahad. June, 1841. Hab. Falkland Islands ; on marine Conferva : Lesson.

1. USNEA, Ach.

1. melaxantha, Ach.; ''Lich. Univ.'' p. 618. Syn. Meth. p. 303. Brown, Plant. Spitz, in Scoresby Voy. vol. i. App. p. 76. Kunth. Synops. vol. i. p. 36. If Urv. in Mem. Soc. Linn, Paris, vol.iv. p. 596.