432 Mr. A. Alcock on undescribed Shore-Fishes 
description it will, I think, be admitted justifiable to class 
Tceniolabrus among the Trichonotidae. 
Family Gobiidae. 
Amblyopits, C. & V. 
Amblyopus ar otocephalus, sp. n. 
D. 4 %. A. 41. L. rect. 50-52. 
Head angular, its opercular region somewhat inflated, its 
vertex compressed into a sharp carina, its length one sixth 
of the total. 
Body compressed, its height, which is 7^ in the total, 
diminishes very slightly from nape to base of caudal. Eyes 
completely hidden. 
Snout broad, with the lower jaw prominent. Mouth-cleft 
oblique, wide, the length of the maxilla being 2| in that of 
the head ; the upper lip with a short broad barbel on each 
side ; the mandibular symphysis with a bony rugose knob. 
In each jaw a row of small, close, even, acute teeth, and 
external to these in the front of the premaxilla, on each side, 
two large canines, and in the mandible five, of which two 
are lateral and one (the largest) median. 
Head naked ; body covered with thin, smooth, hardly 
imbricate scales, which increase in size from before backwards. 
Dorsal and anal fins low, enveloped in skin, confluent with 
the pointed caudal. Pectorals with the four or five upper 
rays as long as the maxilla, the lower rays extremely short. 
Ventrals jugular, small, cohering; their length is not quite 
one third the body-height. 
Stomach large, saccular ; no pyloric caeca. A large, 
globular, thick-walled air-bladder. Anal papilla large, 
bilobed. Eleven abdominal, seventeen caudal vertebra. 
Colours in life mottled pink, fins hyaline. 
Length 5 inches. 
Off' Mahdnaddi Delta, 50 fathoms; bottom mud. Off 
Vizagapatam coast, 20 to 25 fathoms; bottom mud. 
Anacanthini. 
Family Ophidiidae. 
Dinematichthys, Bleeker. 
Dinematichthys piger, sp. n. 
D. circ. 75. A. circ. 55. L. lat. circ. 90. 
Head conoid, inflated, with loose integument ; its length 
