1374 Catalogue of Malayan Fishes. [Dec. 



Habit. — Sea of Singapore. 



Indian Ocean, China Sea, Canton. 



Total length : 1 foot 7 inch. 



The anterior dorsal is situated midway between the apex of the 

 snout and that of the caudal ; it commences opposite the termination 

 of the ventrals. The posterior dorsal commences at an equal distance 

 from the root of the ventrals and the apex of the caudal. The anal fin 

 commences a little in front of the posterior dorsal, but it terminates 

 before reaching the middle of that fin. The scales are trifid, with a 

 central, flat, pointed keel, and with a minute point on each side. In 

 time the scales become worn and subrhombic. 



A single young male was taken at Singapore in May 1840. Each 

 male appendage measured 2f inch in length. 



Gen, Chiloscyllium, M'uller und Henle y 1837. 



Snout blunt ; nostrils extending to the mouth ; nasal valves separated, 

 each carrying a filament ; at the external margin of each nostril a con- 

 siderable hem-like valve, which continues towards the upper fold of the 

 angle of the mouth ; under lip skinny, broad, separated from the throat 

 by a transverse furrow ; mouth slightly arched ; teeth pointed, with 

 one or two smaller points on each side ; spiracles behind and below the 

 eyes ; at the posterior margin of each spiracle a projecting tubercle ; 

 fourth and fifth gill-opening near each other ; dorsal fins placed in 

 front of anal ; the anterior dorsal behind the ventrals ; pectorals and 

 ventrals rounded, as also the anal and caudal ; the anal, without ante- 

 rior angle, is arched downwards, terminating behind in a point ; lower 

 margin of the caudal convex. 



Chiloscyllium plagiosum, (Bennett.) 



Russell, XVI. Bokee Sorrah {Young.) 

 Russell, Ra Sorrah, page 10 {Adult.) 



Scyllium freycineti, Quoy et Gaimard. Frcyc. 192 ? {Young ?) 



Scyllium plagiosum, Bennett : Life of Raffles, 693. {Young.) 



(Icon.) Scyllium omatum, Gray ; 111. Ind. Zool. I. PI, 98, Fig. 2. 



{Young.) 



