ICUTUYOLOdY. 259 



Amblyceps, Blytli. 



Head rovoi'cd with soft skin. No thoracic adhesive disk. Eyes small, siihcu- 

 taneous. lloulh anterior, K'ip<> wide. Nostrils close together, the posterior with a 

 barbel. Villiforin teeth in jaws, jialate edentulous. Pectoral with a concealed spine. 

 A.ir-vessel almost entirely inclosed in bone. No axillary pore. 



A. iiANCiois, Ham. liuch. 



B. xii.; Tt. JO; P. I; Y. 6; A. 9-12; C. 19. 



Nasal and inner mandibular barbels as long as the head. The maxillary reach to 

 the end of the pectoral spine, and the outer mandibular ones arc not quite so long. 

 Olive brown, lighter beneath. In some a dark line from opposite tlu^ opercle, divides, 

 one baud going to the caudal, the other to the base of the anal. Grows to 5 inches. 



Hill streams from Afghanistan to Burma, (ilaulmain.) 



G.\GATA, Blecker. 



Top of head with sharp longitudinal ridges covered with thin skin. Eyes sub- 

 cutaneous. Snout overhanging the mouth. Nostrils close together, the anterior 

 rounded, the posterior valvular. Barbels 8. Villiform teeth in jaws, palate edentulous. 

 Air-vessel in two rounded portions, each of which is inclosed in an osseous cup. 



G. cENiA, Ham. Bucli. 



Nga-uan-joung. 



B. v.-vi. ; D. 1-0; P. J ; Y. C; A. 141G; C. 19. 



Nasal barbels rudimentary, the maxillary reach to beyond the base of the pectoral 

 spine. The two mandibular pairs rise on a transverse lino across the chin, tlie outer 

 ones half as long as the head. Dull grey. Caudal whitish. The outer two-thirds of 

 the pectoral, and the outer halves of the other fins black. The young are yellowish 

 bronze, silveiy below. Bhickish barred over the head and body, as low as the lateral 

 line. Caudal and dorsal with black marks. Grows to a foot. 



Burma. , 



Bagakius, Sleeker. 



Head dejjressed, osseous above. ITpper jaw the longer. Eyes with free margins. 

 Nostrils approximating. Barl)els 8. Teeth in jaws pointed, of unequal size, palate 

 edentulous. Air-vessel small, its two rounded portions inclosed in bone. An a.xillary 

 pore. 



B. Taeellii, Sykes. 



B. xii.; D. i-0; P. -^^ ; Y. 6 ; A. 13-15; C. 17. 



The maxillary barbels with broad bases, and longer than the head. The nasal 

 pair short. Teeth sharj) and unequal in th(> jaws, with an outer enlarged row in the 

 mandible. Grey or yellowish, with irregular brown or black markings and cross- 

 bands. A black ba.se to all the tins. Grows to 6 feet or more. 



This fish is sometimes called a fresh-water shark, as is the Silundia. Mason 

 specifies a large cat fish which may apply to either or both. 



Gr.rrTOSTEENrii, MacChlland. 



Head depressed, covered with soft skin. Eyes small, subcutaneous. Mouth 

 inferior, upjier jaw the longer. Nostrils close together, separated by a barbel. 

 Barbels 8. Yilliform teeth in jaws, palate edentulous. An adhesive apparatus of 

 longitudinal plaits between the pectorals. 



G. TRILIXEiTUlI, Blijth. 



D. i-0; P. -iV; Y. 6; A. 13; C. 19. 



The maxillary barbels reacli to the end of the head, the nasal pair nearly to the 

 orbit. The inter-mandibular barbels the longer, and reaching to the base of the 

 pectoral fin. Colour chestnut-brown, with a light streak along the back, another 

 along the lateral line and a third near the abdominal maigin. Grows to a foot. 



Burma, as far soiith as Tcnasserim. 



