82 TELEOSTEI. ACANTIIOPTEHYGII. 



826. (2.) Badis dario. 



Labrus dario, Ham. Such. Fish. Ganges, pp. 72, 368. 



L'adis dario, Giinthcr, Catul. iii, p. 367; Day, Fish. India, p. 129 



(see synon.). 

 Knnkalde, Ooriah ; Ka-sondara, Tel. 



D. 14/8. P. 9. A. 3/7. C. 15. L. 1. 26-30. L. tr. 11. 



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

 diameter 3 in length of head, | diam. from end of snout and also 

 apart. Teeth minute as in the last species. Fins dorsal spines 

 slender, the soft portion as well as that of the anal pointed ; caudal 

 wedge-shaped. Scales rather large. Lateral line absent. Colour 

 stone-colour, with several black vertical bands, mostly in the posterior 

 half of the body ; in dirty water the black colour extends all over. 



Hob. Ponds, rivers, and ditches in the northern parts of Bengal, 

 Behar, and along the Western Ghats ; attaining 3 inches in length. 



3. Genus NANDUS, Cuv. & Val. 

 Syn. Bcdtila, Gray. 



Branchiostegals six ; pseudobranchia3 absent. Body oblong, com- 

 pressed. Mouth very protractile, its cleft deep. Opercle with 

 one spine ; preopercle serrated, or more or less entire, as are also 

 the preorbital, sub- and interopercles. Teeth villiform on the 

 jaws, vomer, palatines, and tongue. Ventrals 1/5. Spinous portion 

 of dorsal fin longer than rayed part ; anal with 3 spines. Scales 

 of moderate size, ctenoid. Lateral line interrupted. Air-bladder 

 large and simple. Pyloric appendages absent. 



Geographical Distribution. Fresh waters of India, Burma, arid 

 Siam. 



827. (1.) Nandus marmoratns. (Fig. 39.) 



Coius nandus, Ham. Such. Fish. Ganges, pp. 96, 370, pi. 30, fig. 32. 

 Nandus marmoratus, Cuv. fy Val. vii, p. 482, pi. 207; Day, Fish. 



India, p. 129, pi. xxxii, fig. 1 (see syuon.). 



Mootahree, Mai.; Bodosi and Gossiporah, Ooriah; Vaadhnl, Hind.; 

 Septi, Tel. ; Latha and Gudtha, Beng. ; Mussoassah, Punj. ; Gad-yud-di 

 and JBad-vaad-hi, Assam. 



D. 12-1 4/1 1-13. A. 3/7-9. L.I. 46-57. L.tr.5|-6/17-20. Vert.24. 



Length of head 3, height of body 3 to 3^ in the total length. 

 Eyes diameter 5 to 6 in length of head, rather above 1 diam. 

 from end of snout, and 1 apart. Prernaxillaries very protrusible, 

 reaching to one diameter behind the posterior border of the orbit. 

 The posterior extremity of the maxilla reaches to some distance 

 behind the eye. Teeth in villiform bands in the jaws, in an elon- 

 gate band, widest at either extremity, on the tongue; in a narrow 

 row on the palatines and in a /^-shaped band on the vomer, in 



