92 BULLETIN 82, UNITED STATES NATIONAL MUSEUM 



a^. Not more than 25 cirrus segments; not more than 35 arms. 



6>. Usually 20-25 cirrus segments; usually 30-40 arms; IIIBr series usually present on outside of 

 rays only, the inner branch from each IIBr series usuaDy remaining undivided (Ceylon to 

 the Abrolhos Islands, Western Australia, Torres Straits, Tonga, Fiji, Samoa, the Benin 

 Islands, the Philippines, and the Macclesfield Bank; ?coast of China; 0-32 [?73] meters.) 



stelligera, p. 98. 



¥. Cirri with not more than 20 segments; 20 or fewer arms; no division series beyond the IIBr 



series. 



c'. Cirri with 15-20 segments; usually 20 arms (from the islands in the southwestern Indian 



Ocean to Ceylon, Torres Straits, Bowen, New Caledonia, Rotuma, the Caroline and 



Bonin Islands, and southern Japan; 0-15 [?183] meters) maculata, p. 112. 



c'. Not more than 13 cirrus segments. 



d'. Cirrus segments 12-13, of which the longest are not so much as 3 times as long as broad; 

 Pj-Ps bear combs; Pj with about 40 segments, and its comb with 12 teeth (southwestern 



Japan; 174-194 meters) decora, p. 119. 



d'. Cirrus segments 9-12 (usually 10-11), of which the longest are over 3 times as long as 

 broad; Pj-Ps bear combs; Pi with 22-28 segments of which 7-9 bear teeth (Bonin 

 Islands; 164-210 meters) brachycirra, p. 121. 



COMATELLA NIGRA (P. H. Carpenter) 



Plate 1, Figure 1; Plate 2, Figure 2; Plate 3, Figure 3 



[See also vol. 1, pt. 1, fig. 229 (ventral view of centrodorsal) , p. 247; fig. 321 (cirrus), p. 277; fig. 447 

 (dorsal view of radial pentagon), p. 353; pt. 2, figs. 1, 2 (centrodorsal and radials), p. 6; figs. 156, 

 157 (analysis of arm division), p. 83; fig. 257 (arm), p. 205; figs. 351-363 and 364-371, pp. 235 

 and 237 (pinnule tips); figs. 594-596 (comb), p. 309] 



[Philippinische] Comalula, sp. Ludwig, Zeitschr. f. wiss. Zool., vol. 26, 1876, p. 361 (anatomy). 



Actinomelra nigra (Semper, MS.) W. B. Carpenter, Proc. Roy. Soc, vol. 24, 1876, p. 451 (nervous 

 system; nomen nudum). — P. H. Carpenter, Journ. Anat. and Physiol., vol. 10, 1876, p. 583 

 (anatomy); vol. 11, 1876, p. 88, footnote (same); Quart. Journ. Microsc.Sci., vol.21, 1881, p. 181 

 (anatomy). — von Graff, Challenger Reports, Zoology, vol. 10, pt. 27, 1884, pp. 16, 20, 55 (Bohol, 

 Philippines; myzostomes). — P. H. Carpenter, Challenger Reports, Zoology, vol. 11, pt. 32, 1884, 

 pp.96, 111,120, 121,122, 124, 416 (anatomy) ;fig. 6, p. 121; fig. 7, p. 122;pl. 61, fig. 6 (arm section); 

 Ann. and Mag. Nat. Hist., ser. 5, vol. 19, 1887, p. 39 (vascular system); Challenger Reports, 

 Zoology, vol. 26, part 60, 1888, pp. 58, 304, 309, 367, 381 (discussion; Bohol, Philippines, Prof. C. 

 Semper). — Rolleston and Jackson, Forms of Animal Life, 1888, p. 574. — Hamann, Jenaische 

 Zeitschr., vol. 23 (neue Folge 16), 1889, p. 296 (anatomy). — Koehler, Revue Suisse de zool., 

 vol. 3, 1895, p. 293 (synonym of stelligera). — Pfeffer, Abhandl. Senck. naturf. Gesellsch., vol. 

 25, 1900, p. 85 (Ternate). — Hamann, Bronns Klassen u. Ordnungen des Tier-Reichs, vol. 2, 

 Abt. 3, 1907, p. 1585 (listed).— A. H. Clark, Proc. U. S. Nat. Mus., vol. 34, 1908, pp. 436, 

 444 (history); Crinoids of the Indian Ocean, 1912, p. 35 (identity). 



Comalula nigra von Graff, Das Genus Myzostoma, 1877, pp. 17, 23, 72, 79 (Bohol, Philippines; 

 myzostomes; nomen nudum). — Braun, Centralbl. f. Bakteriol. u. Parasitenkunde, vol. 3, 

 1888, p. 185 (myzostomes; from von Graff). 



Actinomelra stelligera Koehler, Revue Suisse de zool., vol. 3, 1895, p. 292 (Bay of Amboina; notes). 



Comatella nigra A. H. Clark, Smiths. Miscell. CoU., vol. 52, part 2, 1908, p. 207 (structure); 

 p. 208 {Albatross stations 5136, 5139, 5142, 5145, 5146, 5147; description); Proc. U. S. Nat. 

 Mus., vol. 36, 1909, p. 395 (Albatross station 5253); vol. 39, 1911, p. 530 (Albatross stations 

 5356, 5413; description of aberrant specimens); Memoirs Australian Mus., vol.4, 1911, p. 708 

 (anatomy has been studied in part) ; Crinoids of the Indian Ocean, 1912, p. 35 (identity); 

 p. 68 (synonymy; localities); Smiths. MisceU. Coll., vol. 61, No. 15, 1913, p. 3 (no locality; 

 specimen with one division series 4[3+4]).— Rbichen.sperger, Abhandl. Senck. naturf. 

 Gesellsch., vol. 35, Heft 1, 1913, p. 82 (Aru Is.); p. 83 (Aru Is.; Dobo Strait, 20 m.; charac- 

 ters).— H. L. Clark, Carnegie Institution of Washington Publication 212, 1915, p. 101 (Mer).— 



