REPORT ON THE TETRACTINELLIDA. 
339 
Corallistes microtuberculatus, 0. Schmidt. 
Corallistes microtuberculatus, O. Schmidt, Spong. Atlant. Gebiet., p. 23, pi. iii. fig. 4, 1870. 
„ „ Carter, Ann. and Mag. Nat. Hist., ser. 4, vol. xii. p. 439, 1873. 
„ „ Zittel, Abhandl. d. k. baier. Akad. d. Wiss., pp. 103, 120, pi. i. 
fig. 1, 1878. 
Sponge. — An irregular curved disc. Oscules numerous, 1 mm. in diameter, margins 
elevated, occurring on the concave side. 
Spicules. — I. Megascleres. 1. Desma, bearing large tubercles, which are themselves 
beset with secondary tubercles. 3. Dichotrisene, rhabdome strongylate, about 0’3 mm., 
chord of cladome about 0‘2 mm. in length. 
II. Microscleres. 4. Microxea (?). 5. Spiraster. 
Habitat. — St. lago. Cape Verde Islands ; depth (?). 
Corallistes (J) noli-tangere, 0. Schmidt. 
Corallistes noli-tangere, 0. Schmidt, Spong. Atlant. Gebiet., p. 23, pi. iii. fig. 6, 1870. 
„ „ Carter, Ann. and Mag. Nat. Hist., ser. 4, vol. xu. p. 439, 1873. 
„ „ Zittel, Abhandl. d. k. baier. Akad. d. Wiss., pp. 103, 120, pi. i. fig. 2, 
1878. 
Sponge. — Depressed, cup-shaped, walls thick, margin rounded, attached by a short 
thick pedicel. Oscules numerous, distributed over the inner surface ; pores on the 
interior. 
Spicules. — I. Megascleres. 1. Desma, bearing numerous short cylindrical or conical 
tubercles with rounded ends. 2. Dichotrisene, rhabdome strongylate, about 0'55 mm. in 
length ; deuterocladi terminate in numerous rounded twig-like processes. 
II. Microscleres. 3. Microxea (?) (Carter). 
Habitat. — Portugal, St. Jago. 
Remarks. — This species may possibly be referable to Macandrewia ; this is suggested 
by Carter s statement that the microsclere is a microxea ; the characters of the dicho- 
trisene are not discordant with such a view. 
Corallistes (?) verrucosa (Carter). 
Corallistes verrucosa. Carter, Ann. and Mag. Nat. Hist., ser. 5, vol. vi. p. 144, pi. vii, fig. 46, 
1880. 
Sponge . — (?), 
Spicules. — I. Megasclere. 1. Desmas, similar to those of the preceding species, 
Corallistes (?) aculeata (p. 338), but distinguished by the form of the apical ray, which is 
simple, conical, 0’0375 mm. in length by 0*03 mm. in diameter at the base, bearing large 
