174 Bulletin Vanderbilt Marine Museum, Vol. VI 



The third, fourth and fifth pairs of legs are similar, successive- 

 ly moderately shorter in the order named; each has the merus 

 the longest article, and widest, with the outer lateral margin con- 

 vex; the carpus is slenderer, two-fifths as long as the merus, with 

 a very sharp tooth at the outer distal angle ; the propodus is two- 

 thirds as long as the merus, subcylindrical, moderately thick, but 

 less so than the merus ; the dactyl is very short, one-third of the 

 length of the propodus, with the ventral surface ovate-laminate, 

 with the extreme distal border reinforced by a thick calcium rim, 

 while the upper lateral surfaces are a rounded, convex area that 

 is produced into a remarkable, upstanding, curved, hook-like spine, 

 with the very curved, slender apex down-bent. At the base of this 

 dactyl the outer distal surface of the propodus supports a cluster of 

 solitary bristles that project over and above this dactylar dorsal 

 spine. 



References : Oedipus superbu^, Dana, J. D., U. S. Explor. Exped. 

 Crust., vol. XIII, pt. 1, 1852, p. 573 ; Atlas, 1855, pi. 37, fig. 2. 



Coralliocaris superba, Stimpson, W., Proc. Phila. Acad. Nat. Sci., 



vol. X, 1860, p. 38.— DE Man, J. G., Arch. f. Naturg., Bd. 



LIII, heft I, 1887, p. 536. — BORRADAILE, L. A., Ann. Mag. 



Nat. Hist., ser. 7, vol. II, 1898, p. 385. — NOBILI, G., Ann. 



Mus. Zool. Univ. NapoH, t. Ill, 1901, p. 3; Ann. Sci. Nat. 



Paris, ser. 9, t. IV, 1906, p. 55. — Balss, H., Abh. k. Bayer. 



Ak. Wiss. Math.-Phys. Kl. II, Suppl. Bd. X, 1914, p. 53.— 



BORRADAILE, L. A., Trans. Linn. Soc. London, ser, 2, vol. 



XVII, 1917, p. 384.— Kemp, S., Rec. Indian Mus., vol. XXIV, 



pt. 2, 1922, p. 272, figs. 98-99.— Tattersall, W. F., Joum. 



Linn. Soc. Zool., vol. XXXIV, 1921, p. 390. 

 Oedipus dentirostris, Paulson, 0., Crust. Red Sea, vol. I, 1875, 



p. 112, pi. 14, fig. 7. 



Coralliocaris lamellirostris Stimpson 



Plate 47 



Type : Mr. Stimpson's type was collected in Loo Choc Islands 

 and was deposited in the Smithsonian Institute, but is no longer 

 extant. 



Distribution : This Coralliocaris is usually found in associa- 

 tion with Madrepore corals. It has been recorded from Loo Choo 

 Islands (Stimpson) ; Red Sea, numerous stations (Nobili, Balss, 



