BY W. MACLEAY, F.L.S. 609 



length, (witliout caudal) ; the length of the head four times ; head 

 rounded in front ; space between the eyes equal to their diameter, 

 which is about one fourth of the length of the head ; four canine 

 teeth ; caudal fin elongate, pointed. Colour, obscure brownish- 

 olive, rather silvery beneath ; an obscure longitudinal band 

 extends from below the eyes to the base of the pectoral fins, 

 sometimes extending along the sides ; a black blotch is visible 

 on the base of the caudal fin. 



Cape York, (Castelnau). Three inches long. 



498. GoBius Mucosus, Gunth. 



Proc. Zool. Soc, London, 1871, p. 663, pi. 63, fig. a. 



D. 6. 1/11. A. 10. 



Scales very small and hidden below a thick mucous covering, 

 which envelops all parts, and forms on the snout and sides of the 

 head transverse and longitudinal ridges. Height of body one- 

 fifth of the length (without caudal), length of head two-sevenths. 

 Head rather depressed, its depth being one haK its length. Snout 

 moderately produced ; the posterior margin of the orbit occupying 

 nearly the middle of the head. The diameter of the eye equals 

 the width of the interorbital space, and is one-fifth of the length 

 of the head. Mouth small, subvertical, the angle at a consider- 

 able distance from the eye. Teeth very small, in bands, without 

 canines. Dorsal and anal fins not elevated ; caudal pointed, 

 longer than the head ; the pectorals reach the origin of the soft 

 dorsal ; the ventrals do not nearly reach the vent. Body 

 reticulated with, blackish ; all the fins except the ventrals with 

 blackish spots. 



South Australia. 



499. GOBITJS PLATYSTOMA, Q-UUth. 



Proc. Zool. Soc, London, 1871, p. 664, pi. 63, fig. b. 

 1). 6/10. A. 9. L.lat. 60. 



