206 NOTES ON A COLLECTION OF FISHES FROM QUEENSLAND, 



scarcely curved. There is a short skinny keel on the side of the 

 tail, with a slightly oblique one a little behind it above and below, 

 the lobes of the caudal fin very long and pointed. Colour bluish 

 silvery grey, lighter beneath, with twelve or more blackish equi- 

 distant vertical bands on each side. Length 1 2 inches. 

 Lower Burdekin. Salt water. 



COTTINA. 

 25. Platycepalus Mortoni, n. sp. 



D. 8/13. A. 12. 



The length of the head is one-fourth of the total length, its 

 width between the prseoperculor spines seven-eights of its length ; 

 the upper surface of the head is quite flat, the ridges being very 

 slight and unarmed. The eyes are two diameters from the snout, 

 and one diameter apart. Two moderate prseopercular spines, the 

 upper shorter than the lower. Lateral line smooth. Colour above 

 mottled dark brown, beneath yellow, the soft dorsal rays and 

 upper half of the caudal fine spotted with black. Length 16 

 inches. 



Lower Burdekin. Salt water. 



The affinity of this species is to P. insidiator, from which it 

 differs in the greater width of head, in the number of the anal 

 rays, and in the differently marked tail. 



GOBIID^. 



26. Periophthalmus Australis. Casteln. 

 Macl., Cat Fishes, Proc. Linn. Soc, N. S. Wales. Vol. 5, p. 614. 

 Burdekin and Mary Rivers, in Mangrove Creeks. 



27. Eleotris planiceps. n. sp. 



D. 6. 1/8. A. 1/9. L., lat. 32. 



Nine series of scales between the origin of the second dorsal 

 fin and the anal. Height of body one-fourth of the total lengthy 

 back from the second dorsal to the snout very flat, head scaly to 

 the snout, the scales larger than those on the body, the eyes are 

 about five diameters apart, the maxillary does not quite reach to 

 the vertical from the anterior margin of the eye. Colour, 

 brownish black, a little lighter on the belly. Length, 1 1 inches. 



