cclviii 



39. Ophiocephalus gachua, Ham. Buch. Chub-bu, Dow-lab, and 

 Do-ah-ra, Panj. : Dlieri dhok, Hind. : Koravu, Mai. : Para korava, Tarn. : 

 Mar korava, Can. : Cheng a or Chayung, Ooriah : Nga-yan-goun-doh, 

 Burm. : Chad-dahy Andamanese. B. v. D. 32-34, A. 21-23, L. 1. 40-45. 

 Greenish, pectoral barred, the other fins with orange edging's. Found 

 throughout the fresh-waters of India, Burma, and the Andamans, attain- 

 ing a foot in length. 



40. Ophiocephalus punctatus, Bloch. Gra-e, Dowlah, or I)ul-loun-ga, 

 Panj. : Dhug-gu or Ahik-koor, Sind : Gur-Ai-e, N. W. Prov. : Phool 

 Dhok, Hind. : Korava, Tarn, and Can. : Gorissa, Ooriah : Nga-yan- 

 thin-ohn, Burm. B. v. D. 29-32, A. 21, L. 1. 40. Dirty green, banded 

 and sometimes with numerous black dots over the body. All fresh-waters 

 of India and Burma, attaining a foot in length. 



Family R, HYNCHOBDELLID.&, Bleeker. 

 Scomberoidei, pt., Cuv. & Val. : Hastacembelidce, Giinther. 



Branchiostegals six : pseudobranchiae absent. Gill-opening a slit on side of head : 

 gills four. Body elongated, eel-shaped. Humeral arch not suspended from the 

 skull. Lower jaw long, but without much power of motion. A single long 

 dorsal fin, its anterior portion consisting of free spines : anal with three spines 

 anterior to it : soft dorsal and anal of similar extent : ventral fins absent. Air- 

 vessel present. Pyloric appendages two. 



Genus RH.YNCE.OBDELLA, SI. Schn. 



Mastacemblus, Gronov. 



Branchiostegals six. Cleft of mouth narrow : a long and fleshy 

 snout, ivferiorly concave and transversely stiiated. Minute teeth on jaws 

 and vomer. Dorsal and anal not continuous with the caudal fin. Scales 

 small, cycloid. Lateral line present. Air-vessel elongated. 



41. Rhynchobdella aculeata, Bloch. Aral, Tarn. : Bommiday, Tel. : 

 Gritti Ooriah: figa-maway-doh-naga, Burm. D. 16-20/48-54, A. 

 3/44-52. Brownish marbled; a row of from 3 to 9 black ocelli, having 

 buff edges, along the base of the soft dorsal. Throughout the deltas 

 of large Indian and Burmese rivers, but appears to be absent from the 

 northern portions of the Panjab and the Malabar Coast. It attains 

 about 12 inches in length. 



Gen us MAST A CEMB L us, Gronov . 



'Branchiostegals six. Cleft of mouth narrow : a long and fleshy 

 appendage to the snout, which is not transversely striated inferior I y : 

 pre-opercle generally with spinous teeth at its angle. Teeth in jaws minute* 

 Dorsal and anal fins distinct from, or confluent with, the caudal. Scales 

 small, cycloid. Lateral line present. Air-vessel elongated. 



42. Mastacemblus Aleppensis, Bl. Schn. D. 32-35/80, A. 3/80. 

 Bootan, said to attain 18 inches in length. 



43. Mastacemblus zebrinus, Bly th. Nga-maway-doJi-wettoung, Burm. 

 D. 29/52, A. 3/56. Yellow with vertical black bands. Found through- 

 out Burma. 



44. Mastacemblus unicolor, Cuv. and Val. D. 33-34/80-84, 

 A. 3/75-81. Found in the upper portions of the Irrawaddi. 



45. Mastacemblus pancalus, Ham. Buch. Chen-da-la, Qurchee, 

 and Gro-age, Panj. : Jit-gar, N. W. Prov. : Par-jja-raal, Tel. : Turi 



