Boone, Echinodermata, Cruises of "Ara" and "Alva" 163 



recent exquisite figure of the living animal show the delicate 

 beauty of this brittle-star. 



References : Ophiocoyna picta, Muller, J., and Troschel, F. H., 

 Syst. der Asteriden, 1842, p. 102. — Dujardin, F., et Hupe, 

 H., Hist. Nat. Zoophytes Echinodermes, 1862, p. 265. — Herk- 

 LOTS, J. A., Bidragen to de Dierkunde, Genoots. Natura artis 

 Magistra, 1869, Amsterdam, p. 12, pi. 5, fig. 2 (figures type.) 



Ophiarthrum pictum, Lyman, Th., Bull. Mus. Comp. Zool., 1874, 

 vol. Ill, p. 225, pi. 7, figs. 2-4 ; Kept. Voy. H.M.S. "Challenger" 

 Zool., 1882, vol. V, Ophiuroidea, pp. 174, 312, 325.— Brock, J., 

 Zeit. Wiss. Zool., 1888, Bd. LXVII, p. 497.— Koehler, Siboga- 

 Expeditie Ophiures Littorales, Monogr. XLV-b, 1905, p. 72. 

 — Clark, H. L., Mem. Mus. Comp. Zool., 1915, vol. XXV, 

 p. 296, entry 1029; Publ. 214, Carnegie Inst., Washington, 

 Papers Dept. Marine Biol., 1921, vol. X, p. 140, pi. 12, fig. 1 

 (colour). 



Family: OPHIOLEPIDAE 



Genus: OPHIOLEPIS Muller and Troschel 



Ophiolepis cincta Muller and Troschel 



•f 



Plate 61 



Type: The type was collected in the Red Sea by Hemprich 

 and Ehrenberg and is deposited in the Berlin Zoological Museum. 



Distribution: This species has a wide distribution in the 

 littoral zone of the Indo-Pacific, having been recorded from the 

 Red Sea, southward on the east African coast to Zanzibar and 

 eastward in the Philippines, Amboina, Torres Strait at Thursday 

 Island, Badu, Murray Island and Mer, in New South Wales at 

 Port Jackson, and in the south-central Pacific at Ponape, Caroline 

 Islands and Society Islands. 



Material examined: One specimen, taken at Raiatea Island, 

 Society Islands, August 21, 1931. 



Technical description: The disk is decidedly pentagonal, 

 with a diameter of 10 millimeters ; the arms are broken, but appear 

 to be from four to four and a half times as long as the disk diame- 

 ter. The abactinal surface of the disk is paved with large and 



