BY W. MACLEAY, F.L.S. 626 



Scales very small. Height of body one-sixth, of the length, 

 length of head one-fifth. Snout convex, longer than the eye, 

 which is equal to the width of the interorbital space. Mouth 

 horizontal, reaching to below the middle of the eye ; teeth 

 cardiform. The last ray of the second dorsal fin extends to the 

 caudal, and the central rays of the caudal are elongated very 

 considerably. Colour in spirit, brownish-yellow, with three 

 bands as in muralis, on the sides of the head, and five or six large 

 transversely oblong, brownish spots along the middle of the side • 

 there are traces also of ocellated spots on the opercles. Fins 

 immaculate, yellow. 



Low Island, Barrier Eeef . 



535. Eleotris elongata, All. & Macl. 

 Proc. Linn. Soc. N. S. Wales, Vol. L, p. 334, pi. 13, fig. 1. 

 Darnley Island. 



Genus Aristetjs, Castelnau. 

 Proc. Linn. Soc, N. S. Wales, Vol. III., p. 141. 

 Fresh waters of Australia. 



536. Aristetjs Fitzeoyensis, Castelnau. 

 Proc. Linn. Soc. N. S. Wales, Vol. III., p. 141. 

 Fitzroy Eiver. 



537. Aristeus fltiyiatilis, Casteki. 

 Proc. Linn. Soc. N.S. Wales, Vol. III., p. 141. 

 Murrumbidgee Eiver. Eopes' Creek. 



538. Aristetjs rtjeescens, n. sp. 



D. 1/5 1/9. A. 1/20. L. lat. 30. 



More elongate than the two foregoing species, the height of 

 the body being less than a-third of the length (without the 



