jicoulloch. 47 



134. Soleichthys Blkr., Act. Soe. Sci. Indo-Neerl. vi, 1859, p. 183 (heterorhinos) . 



134a. S. microcephalus. Small-headed Sole. Solea microcephala Gthr., 

 Brit. Mus. Cat. Fish, iv, 1862, p. 466. Id. Roughley, Fish. Austr., 1916, 

 p. 176, pi. 61 (PL xiii). 

 A small and uncommon species occurring in estuaries. Length 8 inches. 



134b. S. lineatus. Solea lineata Ramsay, P.L.S.N.S.W. vii, 1883, p. 406. 



This is perhaps the young of S. microcephalus though its colour-marking re- 

 sembles that of 5. heterorhinos Blkr., with which species I have previously united 

 it (Mem. Qld. Mus. v, 1916, p. 60) 



(Microbuglossus humilis Cantor, is erroneously recorded from Sydney by 

 Kner, Novara Zool. i, 1867, p. 288) . 



135. Pardachikus Gthr., Brit. Mus. Cat. Fish, iv, 1862, p. 478 (marmoratus). 

 135a. P. hedleyi. Peacock Sole. Id. Ogilby, Mem. Qld. Mus. v, 1916, p. 144, 



pi. 17 (PI. xiii). 

 A littoral and not uncommon species. Length 6 inches. 



136. ASEKAGGODES Kaup, Arch. Naturg. xxiv. i, 1858, p. 103 (guttulalus). 



136a. A. MACLEAYANUS. Narrow-banded Sole. Solea maclcayana Ramsay, 

 P.L.S.N.S.W. v. 4, 1881, p. 462. A. macleayanus Ogilby, Mem. Qld. 

 Mus. v, 1916, p. 137, pi. 15 (PI. xiii). 

 Not uncommon in depths down to 20 fathoms. Length 11 inches. 



LXXII. Family Cynoglossidae. 



A. 2 lateral lines on left side, 1 on right. Paraplagttsia (137). 



AA. No lateral line. Symphurus (138) . 



137. Paraplagusia Blkr., Nat. Tijd. Dierk. ii, 1865, p. 274 (bilineata). 



137a. P. unicolor. Tongue Sole. Plagusia unicolor Macleay, P.L.S.N.S.W. 

 vi, 1881, p. 138. Symphurm unicolor Stead, Ed. Fish. N.S. Wales, 

 1908, p. 107, pi. 74 (PI. xiii). 

 Common on sandy bottoms in shallow depths. Length 13 inches.. 



138. Syjipuurus Rafinesque, Indice Itiol. Sicil., 1810, p. 52 (nigrescens) ■ 

 138a. S. australis. S. strictus var. australis McCulloch, Rec. Austr. Mus. vi. 



5, 1907, p. 349, fig. 55. 

 Known only from the typical specimen, 5 inches long, which was dredged in 

 deep water off Sydney. 



Order PERCOMORPHI. 



A large and varied group which includes about half the bony fishes of the 

 State. The dorsal fin is preceded by a greater or smaller number of spines, and 

 the ventral fins have never more than one spine and five rays. 



Mullet, Hardyhead, and Sea Pike. Suborder PERCESOCES or MUGLLOIDEA. 



Two dorsal fins, the first formed of spines. Ventral fins abdominal. 

 Opereles unarmed. 



A. No lateral line; teeth small or wanting. 



, B. Anal fin with 2-3 spines. Family Mugilidae (No. lxxiii). 



BB. Anal fin with 1 spine. Family Atherinidae (No. lxxiv) . 



AA. Lateral line present; teeth very strong Family 'Sphyracnidae (No. lxxv). 



