432 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Isosillago punctata McCulloch, Zool. Results Endeavour, vol. 1, pt. 1, p. 59, 



1911 (types of Isosillago maculata). 

 Isosillago maculata Macleay, Proc. Linn. See. New South Wales, vol. 3, p. 34, 



pi. 4, fig. 3, 1879 (type locality: King George Sound). 



Depth 5)^; head V/i, width 2}i Snout 2)i in head; ej^e 5, 2)i in snout, 

 1}^ in interorbital; maxillary reaches 1% in snout; length 4}^ in head; 

 teeth villiform, in bands in jaws and on vomer; interorbital 4%, 

 broadly and slightly convex ; preopercle edge roughly and minutely den- 

 ticulate. Gill rakers 3 + 8, lanceolate, K of gill filaments, which 1 % in eye. 



Scales 154 in lateral line to caudal base and 16 more on latter; 10 

 or 11 (pockets) above, 17 below, 56 predorsal forward to nostrils; 9 

 rows below eye on cheek to preopercle ridge; caudal largely finely 

 scaled basally and other fins with more or less small scales. Scales 

 with 5 or 6 basal radiating striae; 31 to 34 apical denticles, with 6 or 7 

 transverse series of basal elements; circuli very fine. 



D. XIII, I, 26, I, third spine 2% in head, third ray 3}^; A. II, 21, i, 

 third ray V/i; caudal 1^?, deeply emarginate ?; least depth of caudal 

 peduncle 3%; pectoral 2; ventral 2)i. 



Gray-brown above, paler to whitish below. Back and sides above 

 with scattered small deep brown spots, mostly arranged in inclined 

 streaks, though some strewn more or less as broken medial or axial 

 line. Fins all more or less transparent or uniform. 



New South Wales, Victoria, South Australia, Western Australia. 

 According to McCulloch reaches 450 mm and not abundant. 



U.S.N. M. No. 47837. No locality. Australian Museum. Length, 310? mm. 

 Genus SILLAGINOPSIS Gill 



Sillagitwpsis Gill, Proc. Acad. Nat. Sci. Philadelphia, 1861, p. 505. (Type, Sillago 

 domina Cvvie'R= Cheilodipterus panijus Buchanan-Hamilton, orthotypic.) 



Sillaginichthys Bleeker, Verh. Akad. Wet. Amsterdam, vol. 14, No. 4, p. 63, 1874 

 (name in synonymy). (Type, Sillago domina Cuvier.) 



Body elongated, partly cylindrical. Head elongated, depressed, 

 upper profile nearly straight, gradually narrows in width. Eyes very 

 small, in front half of head. Mouth small, lower jaw shorter than 

 upper. Teeth villiform, larger in outer row anteriorly. Pyloric 

 coeca 4. Scales small, about 90 in lateral line. Second dorsal spine 

 very elongate, spines 9, origin of fin over pectorals; soft dorsal long, 

 higher in front, rays 25 to 27. Anal shorter than soft dorsal, rays 

 26 or 27. Caudal emarginate. Ventral with slender spine. 



One species. 



SILLAGINOPSIS PANIJUS (Buchanan-Hamilton) 



Cheilodipterus panijus Buchanan-Hamilton, Fishes of Ganges, pp. 57, 367, 1822 

 (type locality: Ganges estuaries). 



Sillago panijus Day, Fishes of India, pt. 2, p. 315, 1876 (footnote). 



Sillago domina Cuvier, Hist. Nat. Poiss., vol. 3, p. 415, pi. 69, 1829 (type locality: 

 Pondicherry) . — Valenciennes, R6gne Animal, Cuvier, ed. ill., Poiss., pi. 13, 

 fig. 1, 1839.— Swainson, Nat. Hist. Animals, vol. 2, p. 205, 1839. — Cantor, 



