22 NATURAL HISTORY BULLETIN. 



joint. In preserved specimens these spines are generally 

 much broken. The pattern of the color is usually preserved, 

 but the colors are altered. 



Station 4. off Havana, no fathoms, one young; Sta. 41, off 

 Sand Key. 20 fathoms, one young; Sta. 68, 69, off Little Cat I., 

 3 to 13 fathoms, many adult; Egg Key, three adult. Common at 

 the Florida Keys and throughout the West Indies in shallow 

 water. Bermuda (Goode). Brazil (Rathbun). Low water 

 to 262 faths. (Lyman). • 



Family. OPHIOCOMiDvE Ljung., 1867. 

 Ophiocoma echinata {Lam.') Agassiz. 



Ophiocoma echinata L. Agassiz, Mem. Soc. Sci. Nat. Neuchatel, I, p. 

 192, 1835. Lyman, 111. Cat. Mus. Comp. Zool., I, p. 81, fig. 5, 1865; 

 Lyman, Report Voy. Challenger, Zool., Ophiuroidea, V, p. 171, pi. 

 XLII, fig. 12, 13, 1882, anatomy. Verrill, Trans. Conn. Acad., Vol. I, 

 p. 321, 1868. 



Ophinra echinata Lamarck, Hist. Anim. sans. Vert., II, p. 543, 1816. 



Ophiura crassispina Say, Journ. Phil. Acad. Nat. Sci., V, p. 147, 

 1825. 



Ophiocoma crassispina Mull. & Trosch., Syst. Ast., p. 103, 1842. Liit- 

 ken, Add. ad Hist. Oph. Pt. II, p. 142, pi. IV, fig. 7, 1859. 



Ophiocoma tumida Mull. & Trosch., Syst. Ast., p. 100, 1842. 



Ophiocoma serpentaria Mull. & Trosch., Syst. Ast., p. 98, 1842. 



Sta. 76, off Little Cat Is. , 3 to 1 3 fathoms, one example ; Tort- 

 ugas, one example. Common from Florida to Colon, and Cu- 

 mana and throughout the West Indies, in shallow water. 

 Bermudas (Goode; Verriil). Parahyba do Norte, Brazil 

 (R. Rathbun). 



Ophiocoma riisei Liitken.. 



Ophiocoma riisei Ltitken, Vid. Meddel., p. 14, Jan. 1856; Add. ad 

 Hist. Oph., Pt. II, p. 143, pi. IV, fig. 6. Lyman, 111. Cat. Mus. Comp. 

 Zool., I, p. 76. Verrill, Trans. Conn. Acad. I, pt. 2, p. 341, 1868. Ly- 

 man, Report V03'. Challenger, Zool., Ophiuroidea, V, p. 171, 1882. 



Tortugas, two large examples. Common from Florida and 

 Bermudas to Colon and Cumana. and throughout the West 



