BY E. P. RAMSAY, F.R.S.E., ETC., AND J. DOUGLAS-OGILBY. 183 



Brancliiostegals seven : pseudobranchise rudimentary. Body 

 oblong, and somewhat compressed. Opercle with a small spine : 

 l^reopercle serrated on the vertical limb, denticulated on the angle 

 and lower limb. Teeth villiform on the jaws, vomer, and palatines; 

 tongue rough. Two dorsal fins contiguous at their bases, the first 

 with 7 or 8 spines : the anal with three. Scales moderate, finely 

 ctenoid, extended on the head to immediately behind the eyes. 

 Pyloric appendages few. 



Genus Psammoperca. 



Psammoperca, Richards., Voy. Erebus and Terror, Fishes, 

 p. 115. 



Cnidon, Miill. and Trosch., Hor. Ichth., Hft. iii., p. 21. 



Branchiostegals seven : pseudobranchise absent. Body oblong, 

 and somewhat compressed. Opercle with a small spine : pre- 

 opercle serrated on the vertical limb, and with a strong spine at 

 the angle ; lower limb entire. Teeth granular on the jaws, 

 vomei", and palatines ; tongue smooth. One dorsal fin deeply 

 notched, with 8 spines : the anal with three. Scales moderate, 

 ctenoid, covering the upper surface of the head to the snout : 

 small scales on maxilla. 



Genus Ctenolates. 



Ctenolates, Giinth., Proc. Zool. Soc. 1871, p. 320. 



Branchiostegals seven : pseudobranchiae present. Body oblong- 

 ovate, and somewhat compressed. Opercle with two spines, the 

 lower of which is frequently sul)-divided into two or more points : 

 preopercle serrated on the vertical limb ; angle and lower limb 

 with patches of coarser denticles. Teeth villiform on jaws, 

 vomer, and palatines ; tongue smooth. One dorsal fin, moderately 

 notched, with 10 spines : the anal with three. Scales small, 

 ctenoid, present on the occiput. 



Genus Macquaria. 



Macquaria, Ouv. and Val., Hist. Nat. des Poiss. 1828, v. 

 p. 377. 



