534 TELEOSTEI. ACANTIIOPTERYGII. 



D. 10/11. P. 16. A. 3/8-9. C. 16. L. 1. 52. L. tr. 7/17. Csec. pyl. 5. 



Length of head 3, height of body 4 in the total length. Eyes 

 diameter 3| in length of head, 1$ from end of snout, and 1 

 apart. Seven rows of scales between eye and angle of the pre- 

 opercle. Fins dorsal spines slender, 5th longest ; last dorsal and 

 anal ray nearly twice as long as the preceding ; second anal spine 



Fig. Ifil. Aprion priittpoma. 



strongest, third longest. Colour rosy, with about six longitudinal 

 yellow bands along the body, a golden one from inferior angle of 

 eye to snout, and another across the forehead. 



Hub. Bed Sea to Malay Archipelago and New Guinea ; attaining 

 a large size. Common at the Audamans. 



Eighth group. GEEEINA. 



27. Genus DATNIOIDES, Bleeker. 



Branchiostegals six ; pseudobranchia\ Body elevated. Pre- 

 maxillaries very protractile. Preopercle serrated. Villiform teeth 

 in the jaws without canines ; vomer, palate, and tongue edentulous. 

 A single dorsal fin having 12 stout spines ; anal with 3. Scales 

 ctenoid. Air-bladder simple. Pyloric appendages few. 



Geographical Distribution. Mouths of large rivers from India to 

 the Malav Archipelago. Rarely found beyond tidal reach. 



715. (1.) Datnioides quadrifasciatus. (Fig. 162.) 

 Chsetodon quadrifasciatus. Sevastutn, Mem. Acad. Peters. 1800, i. 



p. 448, t. 18. $ . * 7**. 



Datnioides polota, SHeeke/r, liatavia Nat. Tijdsch. v, p. 441 ; Day, 



Fish. India, p. 90, pi. xxiv, fig. 6, Suppl. p. 786 (see synon.). 



Nya-Jcya and Nga-icet-ma, Burm. ; Nya-pree-gryn and Nya-thak-lioiv, 

 Arrac. : Beydha, Chittagong. 



