Page:Scientific results HMS Challenger vol 18 part 2.djvu/796

1672 5. Gazelletta furcata, n. sp.

Shell flat, cap-shaped, smooth. Feet cylindrical, nearly straight, at the distal end forked, with two divergent, spinulate, terminal branches.

Dimensions.—Length of the shell 0.12, breadth 0.3; length of the feet 0.6 to 0.8.

Habitat.—Western Tropical Pacific, Station 224, surface.

6. Gazelletta bifurca, n. sp. (Pl. 120, fig. 6).

Shell cap-shaped, thorny. Feet nearly straight, widely divergent, cylindrical, smooth, at the distal end twice forked, with four divergent, terminal branches, each of which bears a spathillum with six to eight recurved teeth (sometimes, as in the specimen figured, five or six terminal branches instead of four).

Dimensions.—Diameter of the shell 0.1, length of the feet 0.3 to 0.4.

Habitat.—South Pacific, Station 288, surface.

7. Gazelletta penicillata, n. sp.

Shell campanulate, spiny. Feet cylindrical, strongly curved, smooth, with a bunch of twelve to twenty or more curved spines at the distal end.

Dimensions.—Diameter of the shell 0.08, length of the feet 0.6.

Habitat.—Central Pacific, Station 266, surface.

Definition.—Feet spiny, armed with simple or branched lateral spines, and with terminal branches of the same shape.

8. Gazelletta pectinata, n. sp.

Shell flat, cap-shaped, thorny, three times as broad as high. Feet straight or slightly curved, cylindrical, widely divergent, with four longitudinal rows of short and simple conical spines, which are directed towards the distal end, and about as long as a single joint of the foot.

Dimensions.—Length of the shell 0.16, breadth 0.5; length of the feet 1.5 to 2.0, breadth 0.03 to 0.05.

Habitat.—North Atlantic, Færöe Channel (John Murray), Hebrides (Mœbius).

9. Gazelletta pinnata, n. sp.

Shell hat-shaped, thorny. Feet cylindrical, strongly curved, pinnate, with two opposite longitudinal rows of simple conical spines, which are slightly curved, directed towards the distal end and opposed in pairs on about each third or fourth joint.

Dimensions.—Diameter of the shell 0.3, length of the feet 1.2 to 1.5.

Habitat.—South Atlantic, Station 325, depth 2650 fathoms.