19. Sphærozoum circumtextum, n. sp.
Spicula all geminate-radiate, with a very variable number of rays (two to six) on each end of the thin middle rod. All spicula very thin and delicate, smooth, with curved or bent shanks, densely covering the central capsule like a cobweb. The number of rays on each end is usually different, generally four or five, often also two or three, rarely six.
Dimensions.—Diameter of the capsule 0.1 to 0.2, length of the spicula 0.04 to 0.12.
Habitat.—Southeast part of the Indian Ocean, Station 160, surface.
20. Sphærozoum variabile, n. sp. (Pl. [4], fig. 5).
Spicula all geminate-radiate, with a short middle rod and a variable number of shanks on each end of it. Shanks four to eight times as long as the middle rod, curved or bent, in the distal half thorny; their number is commonly different on the two ends of it, three or five, often also four or six, rarely two; their size and form very variable.
Dimensions.—Diameter of the capsules 0.1 to 0.3, length of the spicula 0.1 to 0.2.
Habitat.—North Pacific, Station 248, surface.
Genus 14. Rhaphidozoum,[[24]] Haeckel, 1862, Monogr. d. Radiol., p. 529.
Definition.—Sphærozoida with two or more different kinds of spicula; one kind simple, needle-shaped; the other kinds compound, radiate, or branched.