366 DESCRIPTIVE CATALOGUE OF AUSTRALIAN FISHES, 



Caudal truncated witli rounded angles. Cheeks with, small scales 

 forming many series. Greyish, each scale with darker margin. 



Gwydir Eiver, Darling Downs, &c. 



141. Therapon truttaceus, n. sp. 



D. 12/10. A. 3/8. L. lat. 45. L. transv. 10/18. 



Height of body one-third of the length without caudal fin ; 

 space between the eyes flat, more than twice the diameter of the 

 eye, and rather more than the length of the snout from the eye. 

 The lips thick, the cleft of the mouth oblique and reaching to the 

 vertical from the anterior margin of the eye. Preeoperculum 

 regularly rounded and finely denticulated, operculum with one 

 spine, coracoid denticulated with three or four spine-like teeth at 

 the lower angle ; the first dorsal spine less than half the length 

 of the second, the fourth the longest ; the fifth and sixth nearl}'- 

 as long ; the second and third anal spines equal. Caudal fin 

 somewhat emarginate. Coloration dark above, yellow beneath ; 

 all the scales except on the belly are more or less tinged and 

 spotted with a steel blue tint ; all the fins except the ventrals are 

 of a dingy blackish colour. 



Endeavour Eiver. 



142. Therapon nigripinnis, n. sp. 



D. 12/9. A. 3/7. L. lat. 52. L. transv. 9/18. 



Height of body one-third of the total length ; length of head 

 one-fourth of the same. Eye large, the diameter rather more 

 than the length of the snout, but less than the space between the 

 orbits. Top and back of the head scaleless, rather convex, and 

 much grooved and convoluted ; praeorbital rounded and obsoletely 

 dentated at the posterior angle ; cheek with six series of small 

 scales : pr«3operculum without scales on the edge which is armed 

 with closely set acute teeth, largest at the angle, and pointing 

 backward on the lower limb ; operculum with two spines, the 



