284 TELEOSTEI. ACANTHOPTEETGII. 



band on the abdomen, along either side of the anal fin some along 

 Sides below the second dorsal fin, and a few towards the head 

 elsewhere they look like rough points A t r-bl adder- smd\ but 

 present. CWcmr-olive-grey, with dull vertical bands on body, 



Fig. 96. Boleophthalmus dentatus. 



First dorsal purplish, covered with black spots with whitish edges, 

 upper margin of fin yellowish ; second dorsal with about five rows 

 of oblong white spots, aud some black ones having white edges 

 along the first half of its base. Upper margin of the caudal with 

 a white band and yellow spots between its black rays. 



Hob. Bombay and Kurrachee ; growing to 7| inches in length. 



1078. (4.) Boleophthalmus glaucus. 

 Boleophthalmus glaucus, Day, Fish. India, p. 306, pi. Ixv, fig. 3. 

 D. 5 \ 27. P. 19. V. 1/5. A. 25. C. 13. 



Length of head 5 to 5|, of caudal fin 4^, height of body 8 to 9 in 

 the total length. Eyes prominent, situated close together at the 

 summit of the head, diameter 5 in length of head, 1 diani. from 

 end of snout. A few short tentacles along lower edge of mandibles, 

 none below the symphysis. Teeth 13 large, pointed, canine-like 

 in front of upper jaw, the outer on either side a little enlarged and 

 recurved, laterally there are 13 more teeth as large as those in the 

 mandibles. Fins first dorsal elevated, its height from 5 to ^ the 

 total length, second dorsal about | height of body. Caudal lanceo- 

 late. Settles minute, but visible in last half of body. Colour 

 greenish, tinged with violet along abdomen, cloudy bands on head, 

 a few widely scattered black spots on the cheeks and upper fourth 

 of body. Second dorsal with dark horizontal lines, most distinct 

 posteriorly. Pectoral grey, with a yellowish outer edge. Anal 

 yellowish. Caudal light in its lower third, whilst superiorly it is 

 dotted or covered with white spots surrounded by a black 

 ring. 



Hob. Andamaus ; it, along with Perioplitlialmns Jcoelreuteri and 

 other allied forms, frequents in hundreds large mud-flats, but is 

 most difficult to capture, as it dives down into the semifluid 

 mud ou the slightest sign of clanger. It is said that crows and 

 birds of prey never trouble themselves to pursue these fishes, 

 as to catch them is an almost hopeless task. 



