384 TELEOSTEI. PUY8OSTOM1. 



projecting. Small sharp teeth in the jaws, palatines, pterygoids, 

 and tongue ; none on the vomer. Dorsal fin situated above the 

 anal, which has many rays ; ventrals absent. Scales of moderate 

 or small size, very deciduous. Abdominal serration well developed. 



This genus is closely allied to the last, the chief difference being 

 absence of ventral fins. Occasionally examples of Pellona are seen 

 in which these fins are deficient. 



485. (1.) Opisthopterus tartoor. (Fig. 118.) 



Pristigaster tartoor, Cvv. $ Val. H. N. Poiss. xx, p. 328. 

 Opisthopterua tartoor, Day, Fish. India, p. 646, pi. clxiii, tig. 5 (see 

 synon.). 



D. 15-17. P. 14. A. 56-63. C. 17. L. 1. 50. L. tr. 12. 



Length of head 5| to 5f , height of body 3| to 4 in the total 

 length. Eyes diameter 2f to 3 in length of head. Fins the 

 pectoral, somewhat longer than the head, reaches to over the first 

 anal ray ; caudal forked. Scales 28 to 32 spines along the lower 



Fig. 118. Opisthopterus tartoor. 



profile. Gill-rakers about 28, and nearly as long as the eye. 

 Pseudobranchiae well developed. Colour silvery. 



Hab. From Gwadur in Baluchistan and Sind, through the seas 

 of India to the Malay Archipelago ; attaining at least 9 inches in 

 length. 



5. Genus EACONDA, Gray. 



Syn. Apteryyia, Gray. 



This genus differs from the last in having no dorsal fin. The 

 only species is more abundant along the coast of India than in the 

 Malay Archipelago. 



486. (1.) Raconda rasselliana. (Fig. 119.) 



Raconda russeliana, Gray, Zuol. Misc. p. 9 ; Day, Fish. India, p. 646, 



pi. clxiii, fig. 4 (see synon.). 

 Nga thendoony, Burmese. 



