731 ON SOME AUSTRALIAN ELEOTRIN^E, 



the 2 tlie second and thiixl are the longest, IJ to 1^ in the head: 

 the anal fin originates a little behind the second dorsal and is in 

 all respects similar to it: fourth ventral ray considerably longer 

 than the third or fifth, longer than the head and extending well 

 beyond the vent in the ^, shorter than the head and reaching to 

 or not quite to the vent in the $ : pectorals rounded, the middle 

 ra^'s the longest, as long as or a little shorter than the first 

 ventral ray, reaching to or beyond the vertical from the origin of 

 tlie second dorsal in the (J, to beneath the dorsal interspace in the 

 9 : caudal fin large and rounded, as long as or a little longer 

 than the head; caudal peduncle shorter and deeper in the male 

 than in the female, as long as or a little shorter than the head; 

 its depth If to 1| in the ^, ly-^ to 2^^ in the § in its length. 

 Genital papilla large and oblong, notched at the extremity, which 

 is simple and passes along either side of the origin of the anal in 

 the (J, double, papillose, and does not extend as far as the anal 

 fin in the 5. All the scales imbricate, those of the head (except 

 the opercle), throat, and anterior part of the body smaller than 

 the others. 



(J. Greenish-yellow, with the edges of the scales oli\'e, the head, 

 nape, and belly orange; a purple spot on the opercle and another 

 in the axil of the pectoi'al present or absent; dorsal and anal fins 

 orange, with a wide purple marginal band, the soft dorsal pos- 

 teriori}' with white spots, the extremities of the anal rays white; 

 caudal fin yelloAvish-gTay with iri-egularly anastomosing series of 

 microscopic spots; pectorals and ventrals gray. 



9. Yellowish-green, the upper scales with or without a basal 

 violet spot, which, when present, gradually disappears on the 

 sides ; below grayish-white ; upper surface of head golden, the 

 opercles gray, both more or less clouded with violet; sometimes 

 with a golden band on the sides of the abdomen ; dorsal fins 

 Inight yellow, witli a wide marginal violet band, the anterior 

 with some scattered dots, tlie 2:)Osterior with clouded spots formed 

 by irregular grouj^s of similar dots; anal fin gray washed with 

 yellow posteriorly and widely margined with pale violet ; some- 

 times a dusky axillary spot. 



