96 
The individual from Stat. 89 has :!5 arms about 80 mm. long; the cirri are XXIII, 
22 — 23, IS nim to 20 mm. long; P, is 11 mm. long with 20 segments of which the first 
two are about as long as broad, the third is longer than broad, and the remainder much 
elongated; the pinnule is slender, but very stiff; P„ is 11 mm. to 12 mm. long, stouter than 
?,, with 13 segments; P, is 9 mm. long with 10 segments; Pj which resembles the preceding 
pinnules, is 5 mm. long with 9 segments. 
5. Stephanonutra inonacantJia (Hartlaub). 
LiJTKEN. Catalogue Mus. Godeft'roy, vol. 5, 1874, p. 190 [Antedon protectiis, part). 
in Carpenter, Trans. Linn. Soc. (Zool.), series 2, vol. 2, p. 19 (Antedon protectus, part). 
Hartlaub. Nova Acta Ksl. Leop.-Carol. deutschen Akad. der Naturforsch., vol. 58, 1891, 
N" I, p. 59, pi. 3, fig. 38 (but not fig. 33) [Antedon monacantha; the specimen mentioned 
from Torres Straits represents 5^. indica). 
Bell. Proc. Zool. Soc. London, 1894, p. 400 [Antedon flavomaculata). 
A. H. Cl.VRK. Bull. Mus. Com. Zoul. vol. 51, 1908, N" 8, p. 242 [Hiuieroinetra acuta). 
Vidensk. Medd. fra den naturhist. Forening i Kobenhavn, 1909, p. 168. 
— ■ — Smithsonian Miscellaneous Collections (Quarterly Issuej, vol. 52, 1908, part 2, p. 220 
[Hiuieroinetra inonacantha). 
Bull, du Mus. d'hist. nat., Paris, 191 1, N'^ 4, p. 252. 
Hartlaub. Memoirs Mus. Comp. Zool., vol. 27, 1912, N" 4, p. 412 [Antedon inonacantha). 
A. H. Clark. Smithsonian Miscellaneous Collections, vol. 60, 19 12, N" 10, p. 21. 
The Crinoids of the Indian Ocean, I9[2, p. 136, fig. 14, p. 137. 
Smithsonian Miscellaneous Collections, vol. 61, 191 3, N" 15, p. 29. 
Stat. 89. Pulu Kaniungan Ketjil. 11 Metres. 11 Ex. 
Stat. 96. Southeastern sjde of the Pearl Bank, Sulu Archipelago. 15 Metres, i Ex. 
Stat. 250. Anchorage off Kilsuin, western coast of Kur Island. 20 — 45 Metres, i -Ex. 
All of the specimens from Stat. 89 are small. One has 15 arms 40 mm. long; the cirri 
have 17 segments of which the pro.ximal are proportionately more slender than in adults; Pj 
is proportionately more slender than in the adults, with 10 segments, which are proportionately 
longer, and is slightly recurved ; P.. resembles the following pinnules. Another has 20 arms 
70 mm. long; the cirri are about 16 mm. long with 19 segments; P, is 8 mm. long with 11 
segments; P, resembles P^. A third has 18 arms 65 mm. long; the cirri are 15 mm. long with 
19 segments; P, is 9 mm. long with 11 segments. Of the remaining specimens three have 15 
arms and four have 14 arms; in one of the latter P.^ has 12 segments. One individual not 
enumerated above is small and much broken. 
The example from Stat. 96 has 17 arms, and is undergoing adolescent autotomy; P., 
has 9 segments of which the first two are about as long as broad and the third is twice as 
long as broad. 
The specimen from Stat. 250 (which was dredged at 27 Metres) has 14 arms 55 mm. 
long; the cirri are ii mm. long; P., is 6.5 mm. long with 10 — 12 (usually 11) segments. 
Judging from the evidence aftorded by the youngest specimens the proportions of the 
lower pinnules in the ten-armed stage are just as in the adults, but P„ is more slender, 
somewhat recurved, with more prominent articulations. 
