42. AMBA8SI8. 227 



several small spinous teeth above the orbit ; interoperculum slightly 

 denticulated. Coloration uniform ; the first dorsal above black. (Bl.) 

 Rivers of Borneo. 



13. Ambassis vachellii. 

 Richardson, lehthyol. China, p. 221. 



D.7|f A.f 



The height of the body is 1^ in the total length, withoiit caudal 

 fin {Rich, states the length of fish 2-50 inches ; height of body 1-68 

 inch) ; four teeth, reclining backwards on the hinder part of the 

 orbit. 



Sea of Canton. 



14. Ambassis macracanthus. 

 Bleeker, Perc. p. 30, and Batavia, p. 455. 



»-7|^„. A.^,. L.lat.29. 



The height of the body is one-half of the total length (without 

 caudal fin) ; the second spine of the first dorsal is 2^ in the same 

 length. Sub- and interoperculum entire ; lateral line continuous ; 

 the third anal spine longest. Coloration of body uniform ; the in- 

 terspace between the second and third dorsal spines blackish. 



Sea of Batavia. 



15. Ambassis macrolepis. 



Bogoda macrolepis, Bleek. Act. Soc. Nederl. ii., Borneo, p. 13. 



D-7|^. A.^. L.lat.70. 



Praeorbital denticulated ; the second anal spine longest, not shorter 

 than the second of the dorsal. 

 River Kapuas (Borneo). 



B. Species with the anal fin rather elongate (14^17 rays). 



16. Ambassis alta. 



Cm. 8f Val. ii. p. 183. 



D.7|i. A.i. 



The height of the body is 2i in the total length (caudal fin in- 

 cluded) ; the second spine of the fif st dorsal is one-half of the height 

 of body. Both the inferior edges of praeoperculum and praeorbital 

 beautifully serrated. 



Bengal. 



a-c. Adult. India. Presented by G. R. "Waterhouse, Esq. 

 d-h. Half-grown. India. Presented by G. R. Waterhouse, Esq. — 

 Bodv with three darker cross-bands. 



^ q2 



