Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part, Vol. XVIII

Legion I. SPUMELLARIA, (continued 18)

Reading edition

Dimensions.—Diameter of the whole shell 0.21, of the central Larnacilla-shell 0.05.

Habitat.—North Pacific, Station 244, depth 2900 fathoms.