148 Bulletin Vanderbilt Marine Museum, Vol. VII 



face, margining either side of the dorsal arm plate, as figured, 

 The dorsal arm plate is small, fan-shaped, with the distal margin 

 convex but rather abruptly produced medially, the oblique lateral 

 margins overlapped by the side arm plates and the proximal mar- 

 gin extremely narrow, overlapped by the adjacent plate. 



References : Savigny, J. C. de, Descript. de I'Egypte Recherches 

 I'Exped. I'Armee Francaise, Hist. Nat. Zool., 1809-17, t. II, 

 pl. 1, figs. 3-1 to 3-8, inclusive. (Edited by J. V. Audouin) . 



Ophiolepis dubia, MULLER, J., and Troschel, F., Syst. der Asteri- 

 den, 1842, p. 94. 



Ophionereis dubia, Lyman, Th., Mem. Mus. Comp. Zool., 1865, vol. 

 I, p. 149. — Ljungman, a., Ofv. Kongl. Vetenskaps-Akad. 

 Forhl., 1866, Stockholm, p. 310. — VON Martens, H., in von 

 der Decken, Reisen in Ost-Afrika, 1869, Bd. Ill, p. 129; 

 Archiv. f. Naturg. Jahrg., 1870, Bd. XXXVI, p. 246.— Lyman, 

 Th., Sci. Res. Voy. H. M. S. "Challenger," Zool., 1882, Ophiu- 

 roidea, p. 161. — Brock, J., Zeit. Wiss. Zool. Leipzig, Bd., 

 1888, Bd. XLVII, p. 489.— LoRiOL, P. DE, Mem. Sci. Phys. et 

 Hist. Nat. de Geneve, 1894, p. 18.— Clark, H. L., Bull. U. S. 

 Fish Comm., for 1900, (issued 1901) , vol. XX, pt. II, p. 248.— 

 KOEHLER, R., Bull. Mus. Hist. Nat. Paris, 1905, t. XI, p. 458 ; 

 Bull. Scient. France-Belg., 1907, t. XLIV, p. 315 ; Ergebn. der 

 Hamburger Sudw.-Australien Forschungs., 1905, Jena, Bd. I, 

 lief 4, Ophiuroidea, p. 246. — Clark, H. L., Mem. Mus. Comp. 

 Zool., 1915, vol. XXV, p. 289.— KoEHLER, R., Bull. C, U. S. 

 Nat. Mus., 1922, vol. V, p. 310. 



Ophio7iereis dubia variety sineyisis, Duncan, Martin, Journ. 

 Linn. Soc. Zool., London, 1875, vol. XIV, p. 464. 



Family: OPHIOCOMIDAE 



Genus: OPHIOCOMA L. Agassiz 



Ophiocoma lineolata Muller and Troschel 



■f 



Plate 52 

 Type: The type specimen of Ophiocoma lineolata was col- 

 lected in the He de France and is deposited in the Paris Museum ; 

 the type of 0. pica is also in this museum but is without the origi- 

 nal locality. 



