MCCULLOCH, • 53 



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

 155a. C. maorici's. Id. Ogilby, Rcc. Austr. Mus. ii. 5, 1893, p. 64; Id. 

 McCulloch, Rec. Austr. Mus. xii. S. 1919, p. 176', pi. 26, 2 (PI. xvi). 

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



15b\ SCHEDOPH1LDS Cocco, lnnom. Messina Ann. iii, 1829, p. 57 (meduso- 

 phagus) . 

 156a. S. maculatos. Raft Fish. Id. Guthr., Brit. Mus. Cat. Fish, ii, 

 1860. p. 412; Id. Waitc, Rcc. 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 Tetragon uridae. 



157. Tetracontjrus Risso, Iclith. Nice, 1810. p. 347 (cuvieri) . 



157a. T. covieri. Squabe-tail. Id. Risso, Op. cit. Id. Valenciennes, 11- 



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

 A widely distributed oceanic species, only once, recorded from the New 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, 1913, 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 hypocor- 

 acoid; gill-openings wide. 

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



F. Lower pectoral rays branched, not specially thickened. 



Pcrcifonncs. 

 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. Champsodonliformes. 



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. Callionymiformes . 



CC. A single nostril on each side. Nototheniiformes . 



BB. Lower pharyngeals ankylosed to form a single bone. 



H. A single nostril on each side. Pomacentriformes. 



HH. 2 nostrils on each side. Labriformes. 



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



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) . 



