170 Bulletin Vanderbilt Marine Museum, Vol. VI 



1917)._Kemp, S., Records Indian Mus., vol. XXIV, 1922, p. 

 235, figs. 72, 73. 



Genus: CORALLIOCARIS Stimpson 

 Coralliocaris superba (Dana) 



Plate 46 



Type : Dana's type was taken in the "Pacific among the grow- 

 ing corals of Tongatabu" and is deposited in the Philadelphia 

 Academy of Natural Sciences. 



Distribution: Red Sea, several localities (Nobili, Balss, Tat- 

 tersall) ; south coast of Arabia (Balss) ; Port Blair, Andamans 

 (Kemp) ; Nordwachter Island, Pulo Edam Island, Bay of Ba- 

 tavia (de Man) ; Bali (Boone) ; Christmas Island (Caiman) ; 

 Bonin Islands (Balss) ; Tahiti (Stimpson, Boone) ; Tongatabu 

 (Dana). 



Material examined: Three specimens taken in coral, Te- 

 viatoa Reef, Raiatea Island, Society Islands, August 21, 1931. 

 One specimen, Venus Point Reef, Tahiti, Society Islands, August 

 15, 1931. One young specimen, Bali, in coral, Temukus Roads, 

 October 25, 1931. 



Colour: Dana states: "Color mostly opaque white, with a 

 bluish, yellowish or flesh tinge; antennae and scales, eyes, feet 

 and posterior part of the body from the fourth abdominal segment, 

 transparent wine-yellow or burnt sienna, dotted with brown ; ex- 

 tremity of caudal segment and lamellae purple." 



Technical description : Carapace very broad, depressed and 

 lightly rounded ; length, including rostrum, 5 mm. ; median width, 

 3 mm. ; rostrum, from orbital angle to tip, 2 mm. Carapace pro- 

 duced to a wide median triangulation between the orbits and this 

 is extended distally as a laterally compressed sword-like blade, 

 which has its posterior origin in a rostral carina that arises at a 

 point in line with the median posterior orbital margin and extends 

 distally about 1 mm. beyond the tip of the peduncle of the anten- 

 nulae, or as far as the distal margin of the first thick ring of the 

 flagellum ; the rostrum extends as far midway or a little more than 

 midway the scaphocerite ; on the dorsal edge the rostrum is ser- 

 rated by four or five pointed teeth, in addition to the acute apex. 

 The proximal tooth is about in line with the posterior margin of 



