41. ZYGOCEROS, Ehri.
1. Zygoceros Aastralis, u. sp., Ehrb.; I.e.
Hab. Victoria Barrier ; in Pancake Ice. Graham's Land ; Gulf of Erebus and Terror, in mud at 207 fathoms.
42. DENTICELLA, Ekrb.
1. Denticella Icevis, n. sp., Ehrb.; I.e.
Hab. Graham's Land; Gulf of Erebus and Terror, in mud at 270 fathoms.
43. MESOCENA, Ehri.
1. Mesocena? Spongolithis, n. sp., Ehrb.; /. c.
Hab. Victoria Barrier; in mud from 190 fathoms. Graham's Land; in mud at 270 fathoms.
44. ACTINISCUS, Elirh.
1. Actinisctjs lancearius, n. sp., Ehrb.; I. c.
Hab. Open ocean, Lat. 66° S., Long. 157° W., in the stomach of a Salpa.
45. DICTYOCHA, Ehri.
1. Dictyocha aculeata, Ehrb.; Leb.Er. p. 68. Kilt::. Kiesel.Bacill. p. 140.
Hab. Victoria Land and Barrier ; in Pancake Ice. In the stomachs of Satyce, Lat. 66° S., Long. 157 W. Entangled in a surface scum, Lat. 64° S., Long. 160° W.
Found living in the North Sea, fossil in Sicily, the iEgean, North Africa, and Virginia, U.S.
2. Dictyocha binoculus, Ehrb.; Schrift. Ahacl. Bed. May, 1844.
Hab. Victoria Barrier; in Pancake Ice. Entangled in a floating scum, Lat. 64° S., Long. 160° W.
Also occurs in tertiary deposits in the jiEgean Sea.
3. Dictyocha bitemaria, Ehrb.; I. c.
Hab. Victoria Barrier ; in Pancake Ice.
4. Dictyocha Ejnoclon, Ehrb. ; Schrift. Bed. Akad. Feb. 1844. Hab. Victoria Barrier ; in Pancake Ice.
Originally described from specimens occurring in a tertiary deposit in Virginia, U.S., also found in Peruvian guano.
5. Dictyocha octonaria, Ehrb.; Schrift. Bed. Akad. Mai/, 1844.
Hab. Victoria Barrier; in Pancake Ice.
