1849.] Catalogue of Malayan Fishes. 1133 



The length of the head is 3 J in the total to the centre of the caudal 

 margin ; with the protracted downwards arched muzzle it is ^. The 

 diameter of the eye is 3^ in the length of the head. The fleshy lips 

 entirely cover the narrow bands of setaceous teeth. The greatest 

 vertical diameter, in front of the dorsal fin, slightly exceeds \ of the 

 total length. The second, slender, flexible dorsal spine is by \ less 

 than the greatest vertical diameter of the body ; the third is about J 

 of the length of the second anal ; it slightly exceeds J of the second 

 dorsal, and is of equal breadth ; the third anal is § of the second. This 

 species occurs, but not numerously, at all seasons at Pinang. 

 Equula insidiatrix, (Bloch). 



Zeus insidiator, Bloch, PL 192, Fig. 2. 



Zeus insidiator, Linne, Syst. 1221. 



Zee ruse, Lacep. IV. 575. 



Zeus insidiator, Shaw IV. 284. PL 41. 



Equula insidiatrix, Cuv. R. A. II. 212 ( a ). 



Equula insidiatrix, Cuv. and Val. X. 98. 



Equula insidiatrix, Bleeker : Verh. Bat. Gen. XXII. 5. 



Head above and back metallic violet, paler on the sides towards the 

 lateral line ; rest of the head and body shining silvery ; head and back 

 minutely dotted with black, forming a blackish line along the base of 

 the dorsal ; along the upper part of the sides nine or ten pale reddish 

 brown vertical bands, each consisting of three or four round or irre- 

 gular spots, descending a little beneath the lateral line ; in some indi- 

 viduals a blackish spot on the upper part of the opercle ; from the 

 lower part of the orbit along the anterior margin of the cheek an 

 oblique black line, bordered behind by a sulphur-coloured one ; fins 

 hyaline ; caudal minutely dotted, dorsal edged with black ; cavity of 

 the mouth minutely dotted with black ; internal surface of opercles 

 sulphur-coloured, partially dotted with black. Iris silvery, orbital 

 margin black, 



D 8/16, C 17|, A 3/14, V 1/5., Br. IV? 



Habit. — Sea of Malayan Peninsula and Islands. 



Surat, Coromandel, Malabar, Bay of Bengal, Mouths of 



the Ganges, Java, Madura. 



Total length : 3f inch. 



The length of the head is } of the total to the centre of the poste- 



