Dimensions.—Length of the shell 0.1, breadth 0.07.
Habitat.—Central Pacific, Station 274, depth 2750 fathoms.
5. Cannobotrys cortina, n. sp. (Pl. [96], fig. 4).
Cephalis quinquelobate, with four cylindrical nearly straight tubes of equal size; an ascending, nearly vertical, apical tube on the apex of the occipital lobe, and three divergent descending tubes on the base of the shell (an odd posterior caudal tube and two paired anterior pectoral tubes). The two lateral buccal lobes are twice as large as the two anterior frontal lobes, and half as large as the posterior odd occipital lobe. The four tubes in this and the following species correspond probably to the four spines of Cortina (p. [950]).
Dimensions.—Length of the shell 0.07, basal breadth 0.06.
Habitat.—Central Pacific, Stations 263 to 274, depth 2350 to 2925 fathoms.
6. Cannobotrys tetracanna, n. sp.
Cephalis multilobate, with four cylindrical curved tubes conical at their wider base, corresponding to those of the preceding species and to the four spines of Cortina. The odd occipital lobe is of about the same size as the anterior part of the shell, which is cleft into three pairs of roundish lobes, one pair of anterior larger frontal lobes, and two pairs of smaller lateral buccal lobes. Pores very few and minute.
Dimensions.—Length of the shell 0.11, basal breadth 0.07.
Habitat.—North Pacific, Station 253, depth 3125 fathoms.