Habitat.—Mediterranean (Crete, depth 1100 fathoms; Corfu, surface).
12. Cenosphæra setosa, Ehrenberg.
Cenosphæra setosa, Ehrenberg, 1872, Abhandl. d. k. Akad. d. Wiss. Berlin, p. 287, Taf. vii. fig. 1.
Shell thin walled, covered with very short and numerous bristles. Pores regular, circular, five to six times as broad as the bars, six to eight on the quadrant.
Dimensions.—Diameter of the shell 0.17, pores 0.2, bars 0.03.
Habitat.—West Tropical Pacific, 3300 fathoms; Philippine Sea, Station 200, depth 250 fathoms.
13. Cenosphæra plutonis, Ehrenberg.
Cenosphæra plutonis, Ehrenberg, 1854, Mikrogeol., Taf. xxxv. B, B. iv. fig. 20.
Shell thin walled, covered with short conical papillæ. Pores regular, circular, twice as broad as the bars, eight to nine on the quadrant.
Dimensions.—Diameter of the shell 0.09, pores 0.006, bars 0.003.