484 



TELEOSTEI. ACANT1IOPTERYGII. 



ft. Interopercle not serrated. [p. 488. 



L. 1. continuous ; eyes J a diameter apart . 8. A. commersoni, 



L. 1. continuous ; eyes f diaru. apart 9. A. myojis, p. 488. ' 



L. 1. interrupted ; 2 rows of scales on sub- 



orbitals 10. A. gymnocephalus, 



L. 1. semi-interrupted ; 1 row of scales on [p. 489. 



suborbitals 11. A. uroteenia, p. 489. 



c. Imperfectly known 12. A. thennalis, p. 490. 



628. (l.) Ambassis nama. (Fig. 149.) 



Chandanama, Hum. Such. Fish. Ganges, pp. 109, 371, pi. 39, fig. 39. 



Ambassis nama, Day, Fish. India, p. 50, pi. xiv, fig. 5 (see synon.). 

 Mucknce and Ched-chi-ah, Punj. ; Son-dah, Assam. ; Pud-du and Put- 

 to-lah, Sind. ; Gdude-chiri, Marat. ; Ak-ku-ratt, Tel. ; Buck-ra and Pom- 

 pi-ah, N.W. Prov. ; Cart-kana and Goa-chuppi, Ooriah. 



D. 7 | 1/13-17. P. 13. A. 3/14-17. C. 17. 



Length of head 4 to 4^-, height of body from 2| to 3 in the total 



length. Eyes diameter about 3 in length of head, f to f from 



end of snout and also apart. Lower jaw much longer than upper. 



Posterior-superior margin of preorbital denticulated. Vertical 



Fig. 149. Ambassis nama. 



border of preopercle entire, except near the angle; the double 

 border very slightly denticulated at its lower edge in the young, 

 often entire. Sub- and interopercles entire. Teeth two or three 

 large crooked canines on either side of the lower jaw ; an outer and 

 an inner enlarged row in both jaws. Fins second dorsal spine the 

 longest (in a few specimens the third), and as long as first ray, the 

 rays gradually decrease in height ; the third anal spine the longest 

 and strongest, equalling the height of the longest in the dorsal fin. 

 Caudal deeply forked. Scales minute. Lateral line always in- 

 distinct, entire in some specimens, in others soon terminating or 

 absent. Colour yellowish olive, covered all over with minute 

 black dots, which on the shoulder are collected into an oblong 

 patch, having its longest diameter vertical ; summit of the head 



