MCCULLOCH. 43 



155. Centrolophus Lacepede, Hist. Nat. Poiss. iv, 1802, p. 141 (niger) . 

 155a C. maoricus. Id. Ogilby, Ree. Austr. Mus. ii. 5, 1893. p. 64; /,/. 



McCuUoch, Ree. Austr. Mus. xn. 8. 1919, p. 176, pi. 26. '2 (PI. xvi). 

 A rare oceanic species recently recorded from our waters. Length 30 inches. 



156. Schedophilus Cocco, liinom. Messina Ann. iii, IS'-!!', p. 57 {meduso- 



phugus) . 

 156a. S. maculatus. Raft Fish. hi. Liuthr.. Brit. Mus. Cat. Fish, u, 



1860, p. 412; /,/. Waite, Ree. Austr. Mus. v, 1904, p. 163. pi. 20, 1 



(PI. xvi). 

 A pelagic species which is sometimes cast up on ocean beaches. Length 4 



inches . 



LXXV11I. Family Tetragonuridae. 



157. Tetragonurus Risso, lehth. Nice, 1810, p. 347 (euvieri) . 



157a. T. cuviebi. Square-tail. Id. Risso, Op. cit. /</. Valenciennes, 11- 



lust. Poiss. Regne Anim.. 1837, p. 166. pi. 76, '2 (PI. xv). 

 A widely distributed oceanic species, only once recorded from the Xew South 

 Wales coast. 



Perch-like Fishes — Suborder Percoidea. 

 Not more than six rays in the ventral fins. Second suborbital bone not form- 

 ing a stay for the preoperculum . 



Key to the subdivisions, based upon Regan*s classification of the Suborder 

 (A.M.N.H. (8) xii. 1013. p. 111). 

 A. Ventrals with 1 spine and 4-5 rays. 

 B . Lower pharyngeals not ankylosed. 

 C. Two nostrils on each side. 



D. 23 or more vertebrae; 1-2 pectoral radials inserted on the hypoeor- 

 acoid; gill-openings wide. 

 E. Anal fin preceded by 2-3 pungent spines. 



F. Lower pectoral rays branched, not specially thickened. 



Perciformes. 

 FF. Lower pectoral rays simple and thickened. Cirrhitiformes. 

 EE. Anal spines if present weak and not more than two in num- 

 ber. 



G. 3 pectoral radials on the hypocoracoid; base of pectoral 

 fin oblique. Chantpsodontiformes. 



GG. 2 pectoral radials on the hypocoracoid; base of pectoral 

 fin vertical. Trachiniformes. 



DD. 21 vertebrae; 3 pectoral radials inserted on the hypocoracoid; gill- 

 openings reduced to small openings above the end of the operculum 

 in Australian species. Callionymifortnes. 



CC. A single nostril on each side. Nototheniiform.es. 



BB. Lower pharyngeals ankylosed to form a single bone. 



Hr. A single nostril on each side. Pomacentriformes. 



HH. 2 nostrils on each side. Labriformes. 



AA. Ventrals with 1 .spine and 1 ray. Gadopsiformes. 



LXXIX. Family Serranidae. 



A. Teeth present on the vomer, and usually on the palatines also. 

 B. Jaws with fixed canines; marine. 



C. Lateral line extending along the caudal peduncle near its upper surface. 



Callanthias (158' . 



