BY W. MACLEAY, F.L.S. 327 



Body twice and a-half as long as liigh, compressed ; the first 

 dorsal fin half as high as trunk ; ventrals long, pointed. Yellowish 

 with two broad black cross bands. 



Port Darwin. 



Genus Myriodon, Bris. de Barnev. 



Seven branchiostegals. Teeth minute ; villiform teeth on the 

 palate ; tongue smooth. One dorsal, with twelve or thirteen 

 spines; anal fin with three. Operculum spiniferous ; prseoperculum 

 denticulated, with spinous teeth on the lower limb, directed 

 forward. Scales moderate. Pyloric appendages small or none. 



North Australian Seas. 



54. Myriodon Waigiensis, Quoy. & Gaim. 



Gunth. Cat. I., p. 175. Bleek. Ml. Ichth. Perc, tab. 19, fig. 1- 



D. 12-13/9-12. A. 3/5. L. lat. 42. L. trans. 8/17. Vert. 9/16. 



Height of body one-third of total length, and equal to the 

 length of the head, the diameter of the eye is one-third of the 

 latter. On each side between the two nasal openings is a short 

 membranaceous appendage. Prseoperculum with three or four 

 spinous teeth beneath, directed forward ; operculum with a single 

 spine. Caudal fin very slightly emarginate : the second spine 

 of the anal very long and strong. Greyish, marbled with grey 

 and brown. 



Port Essington. Port Darwin. 



Genus Genyoroge, Cuv. 

 Seven branchiostegals. Teeth villiform with canines in both 

 jaws, teeth on the palatine bones, tongue smooth. One dorsal 

 with ten or eleven, rarely with more spines ; anal fin with three. 

 Operculum with two or three points ; above the angle of the 

 prseoperculum, a deep notch, as deep as broad, receiving a more 

 or less spinous knob of the inter-operculum. Scales moderate. 

 Indian Seas and West Pacific Ocean. 

 2 P 



'^' m 



