4. Theocapsa galeni, n. sp.
Shell broadly ovate, spiny, with two deep strictures. Length of the three joints = 2 : 7 : 6, breadth = 3 : 8 : 7. Cephalis hemispherical, with two conical, divergent horns of the same length. Thorax and abdomen with large, irregular, roundish pores of nearly equal size, armed with numerous short spines, not larger than the pores. Basal pole conical, pointed.
Dimensions.—Length of the three joints, a 0.02, b 0.07, c 0.06; breadth, a 0.03, b 0.08, c 0.07.
Habitat.—North Pacific, Station 253, depth 3125 fathoms.
Subgenus 2. Theocapsilla, Haeckel.
Definition.—Thorax of about the same size as the abdomen, or somewhat larger; pores of the two different in size or form.
5. Theocapsa wottonis, n. sp. (Pl. [66], fig. 11).
Shell subovate, rough, with two deep strictures. Length of the three joints = 3 : 7 : 5, breadth = 3 : 9 : 8. Cephalis subspherical, with regular, circular, hexagonally-framed pores, and with a stout pyramidal horn of the same length. Thorax conical, with subregular, circular, double-edged pores. Abdomen hemispherical, smaller and thinner walled, with irregular, somewhat oblong pores. Basal pole rounded.
Dimensions.—Length of the three joints, a 0.03, b 0.07, c 0.05; breadth, a 0.03, b 0.09, c 0.08.
Habitat.—South Atlantic, Station 332, depth 2200 fathoms.