34. ACTINOCYCLUS, Ehrb.
1. Actinocyclus senarius, Ehrb.; Schrift. Berl.Akad. June, 1844. Hab. Falkland Islands ; on marine Conferva : Lesson.
35. ACTINOPTYCHUS, Ehrb.
1. Actinoptychus bitemariits , Ehrb. ; I.e.
Hab. Victoria Barrier; in Pancake Ice.
Also occurs in tertiary deposits in Virginia and Maryland, U.S , and in the Bermuda Islands.
36. DISCOPLEA, Ehrb.
1. Discoplea Rota, n. sp., Ehrb.; Schrift. Berl. Akad. May, 1844.
Hab. Graham's Land; in mud from 270 fathoms.
2. Discoplea Rotula, n. sp., Ehrb.; I. c.
Hab. Graham's Land ; in mud from 270 fathoms.
37. LITHOBOTRYS, Ehrb.
1. Lithobotrys ? denticulata , n. sp., Ehrb.; I.e.
Hab. Victoria Barrier ; in Pancake Ice and in mud from 190 fathoms. In a floating scum, Lat. 64° S., Long. 160° W.
The only other species of this genus is a Virginian fossil.
38. LITHOCAMPE, Ehrb.
1. Lithocajipe Australis, n. sp., Ehrb.; Schrift. Berl. Akad. Mai/, 1844.
Hab. Victoria Barrier; in Pancake Ice.
This genus was known only as a fossil, occurring in the United States and the Mediterranean Sea, previous to the detection of this and the following species.
Lithocampe Antarctica, n. sp., Ehrb. ; I. c.
Hab. Graham's Land; in mud from 270 fathoms.
39. TRIAULACIAS, n.g., Ehrb.
I. Triatjlacias triquetra, Ehrb.; Schrift. Berl. Akad. May, 1844.
Hab. Victoria Barrier; in mud from 190 fathoms.
40. BLDDULPHIA, Gray.
1. Biddulphia ursina. n. sp., Ehrb.; I. c.
Hab. Graham's Land; Gulf of Erebus and Terror, in mud 207 and 270 fathoms.