508 GOBIESOCIDJE. 



upwards somewhat beyond the middle of the base of the pectoral. 

 Snout produced, somewhat pointed, much narrower than the head. 

 Van Diemen's Land. 



a. Presented by 11. Gunn, Esq. 



This species has entirely the habit of a Lepadogaster. The 

 length of the head is one-third of the total, and its greatest width is 

 rather more than one-half of its own length. It is suddenly narrowed 

 before the eyes and produced into a pointed. snout, the length of which 

 is one-third of that of the head. The least width of the interorbital 

 space is more than the horizontal diameter of the eye. The jaws are 

 nearly equal in length anteriorly and armed with \illiform teeth, 

 which form a broad patch in front and a single series on the side. 

 The cleft of the mouth extends to below the anterior half of the orbit. 

 The nostrils are situated before the upper angle of the orbit and 

 provided with very small tentacles. I cannot detect the slightest 

 trace of a fourth gill. Pectoral and caudal fins of moderate length, 

 rounded. The ventrals are composed of one spine, hidden iu the 

 skin, and four rays, the outer of which is attached to the pectoral by 

 a broad membrane. The disk between the ventrals is somewhat 

 broader than long, that between the coracoids subcircular. The vent 

 is situated at a great distance from the margin of the adhesive disk, 

 near the origin of the anal fin, which commences immediately behind 

 the vertical from the origin of the dorsal. 



The colours have now disappeared ; they were probably a iini- 



form red. 



lines. 



Total length 26 



Length of the head 9 



2. Crepidogaster spatula. 

 D. 6. A. 7. 



Dorsal and anal fins terminating at some distance from the caudal. 

 The coracoid extends upwards to the middle of the base of the pec- 

 toral fin. Snout very broad and long, much depressed, scarcely 

 narrower than the posterior part of the head. 



Mouth of the Swan liiver. 



a. Dredged in three fathoms, sand. Gages Eoad. Presented by the 

 Earl of Derby. 



This species is at once distinguished by its very broad, long snout, 

 which is exceedingly depressed. The posterior part of the head also 

 is much depressed, flat, and scarcely broader than the snout. Tho 

 body is elongate, subcylindrical to the origin of the dorsal fin, and 

 compressed posteriorly. The distance of the vent from the anal is 

 only half of that from the adhesive apparatus. 



lines. 



Total length 21 



Length of the head 5^ 



