1849.] Catalogue of Malayan Fishes. 1373 



Subclassis: SELACHII. 



Ordo : PLAGIOSTOMI. 



Subordo : SQUALL 



Fam. SCYLLIOIM). 



Gen. Scyllium, (Cuvier, 1829J Midler und Henle, 1841. 



Anterior dorsal between the ventrals and anal ; posterior between the 

 anal and caudal ; spiracles immediately behind the eyes ; gill-openings 

 equidistant : both posterior ones immediately above the pectorals ; snout 

 short, blunt ; nostrils near the mouth, in some continued in a fissure 

 to the margin of the upper lip ; superior nasal valves covering the 

 nostrils, so as generally to leave but a small rounded aperture at the 

 external margin ; nasal valves either separated by a larger or smaller 

 piece soldered between their centre, or both united ; in some in the 

 middle of the external surface a projection, which occasionally extends 

 beyond the lower margin of the valve ; in others at the inferior margin 

 of the nostril a smaller valve covered by the larger ; mouth arched ; 

 teeth with a central point and one or two on each side ; several species 

 with the ventral fins united over the male appendages ; scales trifid ; 

 ova resembling those of the Rays. 



Scyllium maculatum, Midler und Henle. 



Scyllium marmoratum, Bennett : Life of Raffles, 693 ? 

 (Icon.) Scyllium maculatum, Gray : 111. Ind. Zool. I. PI. 98, Fig. 1. 

 Scyllium maculatum, Miiller und Henle : Plagiostomen 5, 



Taf. 

 Scyllium maculatum, Richardson: Report, 1845, 193. 

 (Young male.) Ground-colour of the back white, of the sides, ver- 

 tical fins and upper surface of horizontal fins light slate-blue, with nu- 

 merous confluent rounded spots, of snuff colour, forming a kind of net- 

 work ; near the apex of the two dorsal- , of the caudal- and anal fins a 

 transversal snuff-coloured band ; abdomen, lower surface of pectorals and 

 ventrals and the male appendages bluish white. Iris silvery slate-blue ; 

 pupil obliquely linear, black. 



