Full-lands, etc.] FLORA ANTARCTICA. 517 



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. 



6 E 



