48 PISH AND FISH-LIKE ANIMALS OP N.S.W., 



170c. T. bidyana. Silver Perch. Acerina, Cemua. bidyana Mitchell, 

 Three Exped. Int. E. Austr. i, 1838, p. 95, pi. 8. Therapon ellipticus 

 Stead, Ed. Fish. N.S. Wales, 1908, p. 73. pi. 42 (PI. xix). 



Inhabits the western streams of the State, and while affording good sport for 

 anglers, is a valuable food-fish. Length 16 inches. 



171. Helotes Cuv. & Val. H.N. Poiss. iii, 1829, p. 149 (sexKneatus) . 

 171a. H. sexlineatus. Therapon sexlineatus Quoy & Gaimard, Voy. 



Uranie, Zool., 1825, p. 340, pi. 59, 1. H. sexlineatus Bleeker, Atlas 



Ichth. vii, 1876, p. 118. pi. 64. 5 (PI. xix). 

 This species was included in a list of Port Jackson fishes by Castelnau, but 

 though widely distributed around the Australian coast, there is no evidence to 

 prove its occurrence in New South Wales waters. 



172. Pelates Cuv. & Val., H.N. Poiss. iii, p. 145 (quadrilineatus) . 

 172a. P. sexlineatus. Trumpeter. Therapon sexlineatus Quoy & Gai- 

 mard, Voy. Uranie, Zool., 1824, p. 320. P. quadrilineatus Cuv. & Val., 

 (nee. Bloch), H.N. Poiss. iii, 1829, p. 146, pi. 55 (PI. xix). 



Common on the sand flats in shallow water. Length 8 inches. 



LXXX. Family Plesiopidae. 



A. Maxilla with a supplemental bone; a patch of teeth on the tongue. 



Paraplesiops (173 1 . 

 AA. No supplemental maxillary bone and no teeth on the tongue.. 



Trachinops (174i. 



173. Paraplesiops Bleeker, Verb. Akad. Amst. xv. no. 5, 1875, p. 3 (bleek- 



er i) . 

 173a. P. bleekeri. Roundhead. Plesiops bleekeri Gthr., Brit. Mus. Cat. 



Fish, iii, 1861, p. 364. Paraphviops bleekeri Ogilby, Mem. Qld. Mus. 



vi, 1918, p. 46, pi. 16 (PI. xix). 

 Not uncommon around rocky reefs. Length 12 inches. 



174. Trachinops Gunther, Brit. Mus. Cat. Fish, iii, 1861, p. 366 (taeniatus) . 

 174a. T. taeniatus. Id. Gthr.. Tom. cit.; Id. Kner, Zool Novara i, Fische, 



1865, p. 215, pi. 8, 7 (PI. xix I . 

 A rare species. Length 3A inches. 



LXXXI. Family KuHLriDAE. 



A. Caudal forked, lateral line complete; marine. Kuhla (175'. 



AA. Caudal rounded, lateral line interrupted: fluviatile. Nannoperca (176'. 



175. Kuhlia Gill, P. Acad. N. Sci. Philad., 1861, p. 48 (ciliata) . 



175a. K. taexura. Flagtail. Dules taeniurus Cuv & Val., H.N. Poiss. 



iii, 1829, p. 114. Moronopsis taeniurus Bleeker, Atlas Ichth. viii, 1877, 



p. 119, pi. 345, 5 (PI. xix). 

 A tropical species, occasionally wandering southward to Port Jackson. 



176. Nannoperca Gunther. Proc. Zool. Soc, 1861, p. 116 (australis) . 

 176a. N. australis. Pigmy Perch. Id. Gthr., Tom. cit., pi. 19, 2; Id. 



McCulloch & Waite, Rec. S. Austr. Mus. i.l, 1918, p. 46, pi. 2, 1 

 (PI. xx). 

 A minute species, the affinities of which are uncertain. It occurs plentifully 

 in the Murray River. Length 3 inches. 



