554 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Nematalasa honii Regan, Ann. Mag. Nat. Hist., ser. 8, vol. 19, p. 314, 1917 

 (types from Red Bank Creek; BuUoo Creek in Queensland; Borwan River 

 in New South Wales). — McCulloch, Fishes of New South Wales, ed. 2, 

 p. 17, 1927. 



Depth 21/4 to 23/5 ; head 34^ to 4, width 1% to 21/5. Snout 41/2 in 

 head, protrudes well beyond eye; eye 4^^, 1 in eye, ly^ in interorbital, 

 adipose lids largely covering eye ; maxillary reaches l^ in eye, length 

 4 to 414 in head; interorbital 3% to 3%, rather broadly convex; 

 opercle smooth. Gill rakers 185 + 218, setiform, slender, 2^3 to 2% 

 in gill filaments, which II/2 in eye. 



Scales 36 in median lateral series to caudal base and 4 more on 

 latter; 15 scales transversely, 21 predorsal. Abdominal serrae 

 15+12. Ventral axillary scale % of fin. Scales with 6 or 7 marginal 

 striae, of which 1 crosses scale transversely or vertically; circuli as 

 transverse close-set vertical striae; apically continuous portion with 

 radiating flutings crossed by waved transverse striae. 



D. IV, 10, first branched ray ly^ in head, last elongated ray 2% to 

 314 in combined head and body to caudal base; A. 11, 16 to 18, first 

 branched ray 2% to 3^^; caudal 2% to 3 in rest of body, deeply 

 forked, slender lobes pointed; least depth of caudal peduncle 2% to 

 2l^ in head ; pectoral V/q ; ventral 1% to 1%. 



Back olivaceous, with steel-blue reflections. Sides and lower sur- 

 faces, also iris, silvery white. Dorsal and caudal brownish, lower 

 fins pale. 



Western Australia, Queensland, New South Wales. 



U.S.N.M. No. 47866. Mary River. Australian Museum. Length, 255 mm. 

 U.S.N.M. No. 47867. Burdekin River. Australian Museum. Length, 245 mm. 



NEMATALOSA ARABICA Regan 



Nematalosa arabica Rexjan, Ann. Mag. Nat. Hist., ser. 8, vol. 19, p. 313, 1917 

 (type locality : Muscat). 



Depth 2% ; head 3%. Snout equals eye, which 4I/2 in head ; max- 

 illary reaches i^ in eye; second suborbital with oblique lower edge, 

 leaves naked space above lower limb of preopercle. 



Scales 50 in medial lateral series, 19 transversely. Ventral scutes 

 18 + 13. 



D. 17 ; A. 19 ; ventral little before middle of dorsal. 



Dark longitudinal streaks along series of scales on upper part of 

 body. Length, 150 mm. (Regan.) 



Arabia. Known only from type. 



NEMATALOSA ELONGATA (Macleay) 



Chatoessus elongatus Macleay, Proc. Linn. Soc. New South Wales, vol. 8, 1883, 

 p. 209, 1884 (type locality: Lagoons, Mary River, Queensland). — Maci-eay, 

 Proc. Linn. Soc. New South Wales, vol. 9, p. 59, 1884 (compiled). — Kent, 

 Great Barrier Reef, p. 370, 1893. 



