Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index / Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII

by Ernst Haeckel

Habitat.—Fossil in tertiary rocks of Barbados and North America (Richmond, Virginia).

2. Halicalyptra campanula, n. sp.

Podocyrtis spinosa, Bury, 1862, Polycystins of Barbados, pl. xvii. fig. 3.

Shell smooth, campanulate. Pores irregular, roundish, about as broad as the bars. Horn large conical, about as long as the shell. Peristome not constricted, with six large divergent feet, which are as long as the shell, lamellar, with dentate edges.

Dimensions.—Shell diameter 0.07, length of the feet 0.07.

Habitat.—Fossil in Barbados.

3. Halicalyptra ampulla, n. sp.

Petalospyris foveolata, var., Bury, 1862, Polycystins of Barbados, pl. ix. fig. 1.

Shell smooth, subspherical, inflate. Pores regular, circular, twice as broad as the bars. Horn slender conical, about as long as the shell. Peristome constricted, with six divergent cylindrical, irregularly curved feet, twice to three times as long as the shell.

Dimensions.—Shell diameter 0.12, feet 0.2 to 0.3 long.