Page:Scientific results HMS Challenger vol 18 part 2.djvu/195

Rh 5. Gorgospyris eurycolpos, n. sp. (Pl. 87, fig. 5).

Shell nut-shaped, rough, with deep sagittal stricture and irregular, roundish pores; two to three pairs of larger annular pores on each side of the stricture. Basal plate with four large collar pores. Feet eight, short, triangular, vertical, about one-fourth as long as the shell.

Dimensions.—Shell 0.08 long, 0.13 broad; feet 0.02 long.

Habits.—Central Pacific, Station 270, depth 2925 fathoms.

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.

Definition.—Feet divided or branched.

8. Gorgospyris schizopodia, n. sp. (Pl. 87, fig. 4).

Shell hemispherical, smooth, with slight sagittal stricture and small regular, circular pores. Basal plate with four large central and a circle of small pores. Feet fifteen to twenty, broad, lamellar, confluent at the base, about as long as the shell, irregularly divided or forked.

Dimensions.—Shell 0.06 long, 0.08 broad; feet 0.05 to 0.08 long.

Habitat.—Western Tropical Pacific, Station 225, depth 4475 fathoms.

9. Gorgospyris thamnopodia, n. sp.

Thamnospyris thamnopodia, Haeckel, 1881, Prodromus, p. 143.

Shell nut-shaped, tuberculate, with deep sagittal stricture and irregular, roundish pores. Basal plate with numerous small pores. Feet twenty to thirty, slender, curved, divergent, twice to three times as long as the shell, irregularly branched.

Dimensions.—Shell 0.08 long, 0.12 broad; feet 0.15 to 0.25 long.

Habitat.—Indian Ocean (Madagascar), Rabbe, surface.