437 



upper edge of the opercles along first fourth of body ; opercles 

 silvery ; end of tail with some black reticulations. 



Hab. Madras (an example 4'8 inches long) ; found also in the 

 Malay Archipelago and Australian seas. 



3. Genus AMMODYTES, Linn. 



Syn. Ekekeria, Gunther. 



Branchiostegals six to eight ; pseudobranchiae composed of 

 lamellae. Body low, elongate, and compressed. Gill-openings 

 very wide, gill-membranes not united. Gills four. Barbels absent. 

 Lower jaw usually prominent. Teeth, when present, minute. A 

 single long dorsal fin, composed of feeble rays. Lateral line single. 

 Air-bladder absent. Vent remote from the head. 



Geographical Distribution. North Atlantic, Mediterranean, Cali- 

 fornia ; one species from India. This genus contains the " Sand- 

 eels " or " Launces." 



1314. (1.) Ammodytes callolepis. (Fig. 154.) 



Bleekeria kallolepis, Gunther, Catal iv, p. 387. 

 Ammodytes kallolepis, Day, Fish. India, p. 420, pi. xci, fig. 3 (see 

 synon.). 



B. vi. D. 37-40. A. 14-15. L. 1. 100. L. tr. 3/14. 



Length of head about 5, height of body 10 1 in the total length. 



Eyes 2 diameters from end of snout. Lower jaw slightly the 



longer, the upper very protractile. Fins dorsal does not extend 



to base of caudal. Anal commences below last two fifths of dorsal, 



Fig. 154. Ammodytes callolepis. 



its rays rather higher. Caudal deeply forked. Colour back and 

 upper two thirds of body bluish, with about five yellowish hori- 

 zontal bands, which are as wide as the ground-colour. Dorsal fin 

 with a bluish base and yellow bands ; anal with a bluish band along 

 its middle ; caudal stained grey externally. 



Hab. Coromandel coast at Waltair and Madras. 



