BY W. MACLEAY, F.L.S. 347 



Genus Apogonichthys, Bleek. 



Differs from A2)ogon only in having tlie double ridge of tlie 

 prpeoperculum smooth. 



99. Apogoxichthys apeion-, Eichards. 



Gunth. Cat. Fish I., p. 247. 



Caudal fin rounded. First dorsal with six spines, a small 

 cluster of teeth on the tongue. L. lat. 40. L. transv. 5/13. 

 Brownish, with about eight blackish cross-bands on the back ; 

 top of the first dorsal deep black. 



Port Essington. 



100. Apogoi^ichthys polystigma, Bleek. 



Gunth. Cat. Fish I., p. 246. 



Brownish : fins red ; operculum with a large blue, lighter 

 edged spot ; two oblique brown bands from the eye to the prte- 

 operculum, each scale with a blackish spot at the base. L. lat. 

 28. L. transv. 9-10. 



Port Darwin. 



101. Apogonichtiiys Gillii, Steind. 



Apogon Gillii, Gunth., Ann. Nat. Hist. 1876, p. 392. 

 Mionurus lunatus, Krefft, Proc. Zoo]. Soc. 1867, p. 942. 



D. 6. 1/9. A. 2/8-9. L. lat. 27. L. transv. 3/11. 



Height of body twice and two-thirds in the length (without 

 caudal) ; the length of the head twice and a-half . Ux^per profile 

 of snout concave ; lower jaw prominent. Caudal fin rounded. 

 Brownish, irregularly mottled with darker, a i^air of dark spots 

 at the root of the caudal. 



Eockhampton (Darnel) ; Cox's Eiver (Krefft). 



