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Show 14 COL. PLAYFAIR ON THE FISHES OF CACHAR. [Jail. 10, 3. On the Fishes of Cachar. By Lieut.-Colonel R. L. P L A Y F A I R , F.Z.S. (Plate III.) I have received from Major Stewart, Superintendent of Cachar, a small but interesting collection of the Fishes of that region. He informs me that " they are from rivers, lakes, and ponds;" but he does not specify the particular specimens from each of these sources. Cachar is one of the most eastern provinces of British India, and lies within the watershed of the Burhampooter ; as might be expected, therefore, its fish-fauna is very similar to that of Assam. The collection contains about thirty species, twenty-six of which I have determined ; the remainder are Cyprinidee, either too small for correct identification or apparently new; these I have made over to Dr. Giinther, who is at present engaged on that family, which will form part of the seventh volume of his ' Catalogue of Fishes.' 1. AMBASSIS RANGA. Chanda ranga, Buch. Ham. p. 113, pl. 16. f. 38. Ambassis ranga, Cuv. & Val. ii. p. 183 ; Giinth. Fish. i. p. 228. 2. GOBIUS GIURIS. Russell, pis. 50, 51, 53. Gobius giuris, Buch. Ham. p. 51, pl. 33. f. 15 ; Giinth. Fish. iii. p. 21. 3. NANDUS MARMORATUS. Coins nandus, Buch. Ham. p. 96, pl. 30. f. 32. Nandus marmoratus, Giinth. Fish. iii. p. 36/. 4. OPHIOCEPHALUS PUNCTATUS. Ophiocephalus punctatus, Bl. Schn. p. 237; Cuv. &Val. vii. p.404; Giinth. Fish. iii. p. 469. O. lata, Buch. Ham. pp. 63, 367, t. 34. f. 18. O. indicus, McClell. Calc. Journ. Nat. Hist. ii. p. 583. 5. OPHIOCEPHALUS STEWARTII, sp. n. (Pl. III.) D. 39-40. A. 27. L. lat. 50. L. transv. 5/9. Shields on the upper surface of the head large. Some laro-er teeth in the lower jaw, and on the vomer and palatine bones. The heio-ht of the body is contained six times and two-thirds, and the leno-tlfof the head four times in the total length. Scales on the cheeks very large, there being only seven in a longitudinal series between the eye and the gill-opening. The maxillary reaches beyond the vertical from the posterior margin of the orbit. The length of the snout is one-fifth, the width of the interorbital space is one-third, and the breadth of the head is three-fifths of the length of the head The pectoral does not reach the anal, and is somewhat more than half |