Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia) / Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII

by Ernst Haeckel

Habitat.—North Atlantic, Station 353, depth 2965 fathoms.

14. Cenosphæra proserpinæ, n. sp.

Shell thin walled, smooth. Pores regular, circular, four times as broad as the bars, five to six on the quadrant.

Dimensions.—Diameter of the shell 0.08, pores 0.008, bars 0.002.

Habitat.—Central Pacific, Station 265, depth 2900 fathoms.

15. Cenosphæra eridani, n. sp.

Shell thin walled, smooth. Pores regular, circular, three times as broad as the bars, eleven to twelve on the quadrant.

Dimensions.—Diameter of the shell 0.16, pores 0.01, bars 0.003.

Habitat.—South Pacific, Station 295, depth 1500 fathoms.

16. Cenosphæra lethe, n. sp.