3. Dendrospyris bibrachiata, Haeckel.
Cladospyris bibrachiata, Ehrenberg, 1875, Abhandl. d. k. Akad. d. Wiss. Berlin, p. 68, Taf. xxi. fig. 7.
Shell nut-shaped, smooth, with sharp stricture and numerous very small circular pores. Apical horn and the two feet very large and stout, straight, prismatic, with irregular lateral branches on their edges, twice to four times as long as the shell (The horn in the Ehrenberg's figure is broken off.) This species is closely allied to Tripospyris tribrachiata.
Dimensions.—Shell 0.05 long, 0.06 broad; horn and feet 0.1 to 0.2 long.
Habitat.—Fossil in Barbados.
4. Dendrospyris furcata, n. sp.
Shell subspherical, tuberculate, with irregularly roundish pores. Basal plate with two large pores. Apical horn simple, conical, as long as the shell. Feet cylindrical, twice as long, in the proximal half parallel, vertical, in the distal half with two stout divergent equal fork-branches, one of which is directed dorsally, the other ventrally.
Dimensions.—Shell 0.07 long, 0.08 broad; horn 0.06 long, feet 0.1 to 0.15 long.
Habitat.—Tropical Atlantic, Station 338, depth 1990 fathoms.
5. Dendrospyris polyrrhiza, n. sp. (Pl. [85], fig. 8).