262 BL'iaiA, ITS PEOPLE A.XD PRODUCTIONS. 



E. ETOLASS, L. 



D. 12-14; P. 11; V. G; A. 1.M5; C. 17. 



Iiilcrorbital spiice fl;it. Caudal lol)t'(l, the lower miicli the lonirer. Six and a half 

 rows of scales between the origin of tlie dorsal fin and the lateral line. Bluish along 

 the back, ligliter below. Pectoral grey or black, with a light edge. Grows to 9 inches. 



The Andamans. 



Famihj Cyprinodontidse. 



Pscndobranchiaj absent. Barbels none. The margin of the upper jaw formed 

 Bolely by the premaxillarics. Teeth in both jaws and on the pharyngeal bones. 



Haplochilus, MacChlland. 



Upper surface of nnpe and head broad and depressed. Mandibular rami united at 

 the symphysis. Teeth villit'orm. 



H. MELASTioMA, MacClellaud. 



B. iv. ; D. 6-7 ; P. 15 ; Y. 6 ; A. 2024 ; C. 15. 



Lower jaw slightly the longer, the maxilla does not (juite reach to the front edge 

 of the eye. Teeth minute. Dull green above, dull white below. Outer portion of anal 

 rays white-edged. A narrow dark line along the middle of the side, terminating in a 

 dull spot at the base of the caudal. Grows to 6^- inches. 



Burma. 



H. TANCHAX, Ham. Buch. 



Nga-saki, Arakan. Choto-dah, Andamans. 



B. x.-\i.; ]). 71 1 ; P. 15; V. 6; A. 15-17; C. l.J. 



Lower jaw rather the longer ; the maxilla reaches to the first third of the eye. 

 A row of enlarged teeth in the upper jaw, and a broad band on the vomer. A white 

 occipital spot. Upper surface greenish, below dull white. Pins yellowish, the lower 

 thii-d of the dorsal covered by a large black spot. Dorsal, caudal, and anal, orange- 

 margined. Ova very large. 



Burma and the Andamans. ' 



Famihj CyprinidsB. 



Branchiostegals 3. Margin of the upper jaw formed of the premaxillarics. 

 Mouth toothless, but one to three rows of teeth in the inferior pharyngeal bones. 

 Head sealeless (in Indian species). 



A. Belly rounded, not trenchant. 

 A. Dorsal Jiti commencing nearly opposite the ventrals. Anal short. 



HoMALOPTEEA, V. HttSSelt. 



Head and body anteriorly depressed, snout spatulate. Mouth small, inferior, 

 ■with two pair of rostral and one of rictal barbels. Pharj-ngeal teeth small, 5 to 16 

 in one row. 



H. BHisEATA, Blyth. 



B. iii. ; D. 10; P. 17; V. 9 ; A. 7 ; C. 10. 



Snout pointed, upper lip fimbriated. Eyes small. Air-vessel none. Brownish, 

 •with a wide dark ehi;stnut band from the snout to the tail. 

 Tenasserim. 



DiscooxATmjs, Hechel. 



Body elongated, subeylindrical. Mouth transverse, semicircular and inferior. 

 Upper and lower lips continuous. A suctorial disk on the chin formed on the lower 

 lip. Upper lip fringed. Barbels 4, a rictal pair on each side. Air-vessel small. 



