Dimensions.—Length of the tubes 2.4 to 3.6, breadth 0.06 to 0.08.
Habitat.—South Atlantic, Station 332, depth 2200 fathoms.
5. Aulodendron indicum, n. sp. (Pl. [105], fig. 1).
Radial tubes cylindrical, irregularly curved, tapering gradually towards the two ends; smooth in the proximal half, irregularly branched in the distal half, with ten to twenty or more curved branches. The proximal branches are very large, one-sixth to one-fourth as long as the tube and irregularly ramified; the distal branches are much shorter, also ramified or simple. All the branches are more or less curved and bear a spinulate knob at the distal end.
Dimensions.—Length of the tubes 1.2 to 1.8, breadth 0.02 to 0.03; length of the branches 0.1 to 0.3.
Habitat.—Indian Ocean; Cocos Islands (Rabbe), surface.
Order II. PHÆOSPHÆRIA, Haeckel, 1879.
Definition.—Phæodaria with a simple or double, usually spherical lattice-shell, which is not bivalved and has no peculiar mouth or peristome. Central capsule placed in the centre of the shell.