6. Gorgospyris liriope, n. sp. (Pl. [87], fig. 6).
Shell nut-shaped, thorny, with sharp sagittal stricture and irregular, roundish pores. Two pairs of larger annular pores on each side of the ring. Basal plate with two very large circular pores only. Eight to ten short feet vertical, about one-fourth as long as the shell, with an elegant papillate knob at the distal end.
Dimensions.—Shell 0.07 long, 0.1 broad; feet 0.02 long.
Habitat.—South Atlantic, Station 323, depth 1900 fathoms.
7. Gorgospyris lamellosa, n. sp.
Shell nut-shaped, tuberculate, with subregular circular pores. Basal plate with four larger and four alternate pairs of smaller pores. Feet fifteen to twenty-five, broad, lamellar, vertical, truncate, about as long as the shell, of irregular size and form, very variable.
Dimensions.—Shell 0.07 long, 0.1 broad; feet 0.05 to 0.1 long.
Habitat.—Fossil in Barbados.
Subgenus 2. Thamnospyris, Haeckel, 1881, Prodromus, p. 443.
Definition.—Feet divided or branched.