...is closed, and is entirely hidden beneath the large prseorbital, which is rather higher than long. The diameter of the eye is one-fifth of the length of the head, and equals the space between the orbits, which is flat or very slightly convex. The operculum and suboperculum...

...6/12-14. Vert. 10/14. The height of the body is 3^ in the total length, the length of tho head 3| ; the diameter of the eye is one-fifth of the length of the head, 2£ in that of the snout, and 1^ in the distance between the eyes. The mouth is very protractile, and...

...the body is nearly one-seventh of the total length, the length of the head one-fourth. The horizontal diameter of the eye is one-fifth of the length of the head, and less than that of the snout. The interorbital space is narrow and naked. The dorsal fins are rather...

...between the eyes, and the other above the cleft of the mouth. The diameter of the eye is one-ninth of the length of the head, and two-thirds of the width of the interorbital space. 1 jps not fringed. The angle of the mouth is in the middle of the length of the head, below the posterior...

...is contained thrice and a third in the total (without caudal) ; the diameter of the eye is one-half of the width of the interorbital space. The margin of the snout from its extremity to the gill-opening is soft, and covered with very small prickles, which become...

...the body is one-fourth of the total length (without caudal), the length of the head is two-ninths. The diameter of the eye is one-fifth of the length of the head, and two-thirds of that of the snout. Head rather low, snout somewhat produced, vertically truncated in front, with the...

...two-sevenths. Head depressed anteriorly, snout shorter than the eye, which is contained thrice and a third in the length of the head, and two-thirds of the width of the interorbital space. The origin of the dorsal fin is midway between the extremity of the caudal and the eye, corresponding to...

...of body nearly equal to the length of the head, and contained thrice and a half in the total length. The diameter of the eye is one-fifth of the length of the head. The upper maxillary reaches beyond the posterior margin of the eye. The denticulations of the praoperculum...

...(without caudal) ; the diameter of the eye is more than the length of the snout, one-third of that of the head, and two-thirds of the width of the interorbital space, which is quite flat. In the female the origin of the dorsal fin is nearer to the extremity of the snout...

...less than the length of the head, which is contained four times and one-third in the total (with the caudal). The diameter of the eye is one-fifth of the length of the head, and three-fourths of the width of the interorbital space. Cleft of the mouth directed upwards, the lower...