4. Botryocella quadricellaris, n. sp. (Pl. [96], fig. 13).
Cephalis quadrilobate; the helmet-shaped occipital lobe twice as long as the two paired subspherical buccal lobes, and three times as long as the odd spherical frontal lobe. Thorax nearly spherical, about as long as the cephalis.
Dimensions.—Length of the shell 0.1, breadth 0.05.
Habitat.—Central Pacific, Station 272, depth 4475 fathoms.
5. Botryocella quadrigemina, n. sp. (Pl. [96], fig. 14).
Cephalis quadrilobate, with two pairs of lateral ovate lobes and complete sagittal constriction; the two occipital lobes nearly twice as large as the two frontal lobes. Thorax ovate, separated from the cephalis by a collar septum with four cortinar pores (fig. 14).
Dimensions.—Length of the shell 0.09, breadth 0.06.
Habitat.—Indian Ocean, Sunda Strait (Rabbe), surface.
6. Botryocella multicellaris, n. sp. (Pl. [96], fig. 12).
Cephalis multilobate; occipital lobe helmet-shaped, very large, about twice as long and broad as the frontal half of the shell, which is divided into six to eight small roundish clustered lobes. Thorax subspherical, of about the same size as the cephalis.