A. E. Verril—The Bermuda Islands; Coral Ree/s. 327 
or yellowish ; the arms often banded above with pale green or 
whitish ; sometimes plain olive-green (var. olivacea). 
Ranges from southern New England (var. olivacea) to Brazil. 
Ophiothrix angulata (Say) Ayres. Plate xxxivp, fig. 1. 
Ophiura angulata Say, Jour. Phil. Acad. Nat. Sci., v, p. 145, 1825. 
Ophiothrix violacea Mill. and Trosch., Syst. Aster., p. 115, 1842. Lyman, 
Ml. Cat. Mus. Comp. Zool., i, p. 164. Liitken, Add. ad Hist. Oph., pt. ii, 
p. 150, pl. iv, figs. 1-1d, 1859. 
Ophiothrix angulata Ayers, Proc. Bost. Soc. N. Hist., iv, p. 249, 1852. Lyman, 
Illust. Cat. Mus. Comp. Zool., i, p. 162, pl. i, figs. 1-8, 1865. Verrill, Bull. 
Labor. Nat. Hist. Univ. Iowa, v, p. 19, 1899 (deser.); these Trans., x, p. 
585, 1900. 
Easily distinguished by its long, slender, glassy spines and violet 
or purple, rarely brown color, often with a white median line on the 
arms or with whitish blotches or bands, bordered by dark brown. 
Not common here. It often lives gregariously among and in 
sponges. Cape Hatteras to Rio Janeiro, Brazil. 
Ophiothrix Suensonii Liitken. 
Ophiothrix Suensonii Liitken, Vid. Meddel., p. 15, 1856; Add. ad Hist. Oph., 
pt. ii, p. 148, pl. iv, fig. 2. Lyman, Ilust. Catal., p. 157, 1865; Bull. Mus. 
Comp. Zool., v, 9, p. 232; Verrill, Bull. Labor. Nat. Hist., Univ. Iowa, 
v, p. 21, 1899 (descr. colors, ete.) ; these Trans., x, p. 585, 1900. 
Similar to the last in form, but with more slender arms and spines. 
Tis colors are paler, often lavender, with a purple line along the 
middle of the back of each arm, bordered by white, and with radial 
lines of purple on the disk. It lives among sponges, etc.; not com- 
mon. More common in Florida and the West Indies. 
Ophiocoma echinata (Lam.) Agassiz. Plate xxxivp, fig. 2 (1, 2). 
Ophiura echinata Lamarck, Hist. Anim. sans. Vert., ii, p. 548, 1816. 
Ophiocoma echinata L. Agassiz, Mem. Soc. Sci. Nat. Neuchatel, i, p. 192, 
1835. Lyman, Ill. Cat. Mus. Comp. Zool., i, p. 81, fig. 5, 1865. Lyman, 
Report Voy. Challenger, Zool., v, p. 171, pl. xlii, fig. 12, 18, 1882, anatomy. 
Verrill, Bull. Univ. Iowa, v, p. 22, 1900. 
Ophiocoma crassispina Say, Jour. Phil. Acad. Nat. Sci., v, p. 147, 1825. 
Ophiocoma crassispina Liitken, Add. ad Hist. Oph., pt. ii, p. 142, pl. iv, fig. 7, 
1859. 
A large dark brown or grayish black species with large stout upper 
arm-spines. Lives among corals and in crevices of the reefs. Com- 
mon from Florida to Colon, and Cumana and throughout the West 
Indies to Brazil in shallow water. 
