24 EDIBLE FISHES OE NEW SOUTH WALES. 



Genus II.— MACQUARIA. 



Macquaria, Cuv. & Yal. Hist. Nat. Poiss. v. p. 377, 1S30. 

 Murrayia, Castelu. Proc. Zool. Soc. Vict. 1872, i. p. 61. 

 Biverina, Castcln. Proc. Zool. Soc. Yiet. 1S72, i. p. 61. 



Branchiostegals six : pseudobrauclaiie present. Body oblong-ovate and 

 somewhat compressed. Head with distinct muciferous channels. Opercle 

 with two spines, either or both of which may be subdivided into two or more 

 points : edges of sub- and interopercles finely serrated : preopercle serrated 

 on the vertical limb, the angle and lower limb with patches of coarser denticles. 

 Teeth villiform on the jaws and vomer : a few teeth present or absent on the 

 palatines. One dorsal fin moderately notched, with eleven or twelve spines: 

 the anal with three. Scales moderate, ctenid, present on the occiput : bases 

 of vertical fins scaly. Pyloric appendages in small numbers. 



Geograi^liical distribution. — IMurray Kiver system. 



MACQUAEIA AIJSTEALASICA. 



Macquaria australasica, Cuv. & Yal. Hist. Nat. Poiss. v. p. 377, pi. cxxxi 



1830 ; Less. Yoy. Coquille, Zool. ii. p. 194, pi. xiv. f. 1 ; Gnth. Catal. 



Pish. i. p. 286 ; Macleay, Catal. Austr. Pish. i. p. 59. 

 Dides riverinns, Krefft, Proc. Zool. Soc. 1867, p. 913. 

 Murrayia ynntlieri, Casteln. Proc. Zool. Soc. A'ict. 1872, i. p. 61 ; ]\Iacleay, 



Catal. Austr. Pish. i. p. 56. 

 Murrayia cyprinoides, Casteln. Proc. Zool. Soc. Yict. 1872, i. p. 62 ; Macleay, 



Catal. Austr. Pish. i. p. 57. 

 Murrayia Iramoides, Casteln. Proc. Zool. Soc. Yict. 1872, i. p. 63 ; Macleay, 



Catal. Austr. Pish. i. p. 57. 

 Murrayia riverina, Macleay, Catal. Austr. Pish. i. p. 58. 

 Biverina fluviatilis, Casteln. Proc. Zool. Soc. Yict. 1872, i. p. 61 ; Macleay, 



Catal. Austr. Pish. i. p. 58. 



Macciuarie's Perch. 



"Plate lY. 



B. vi. D. 12-11/11-12. A. 3/8-9. Y. 1/5. P. 16. C. 17. L. lat. 47-52. L. tr. 



8-9/17-19. Coec. pyl. 4. Yert. 12/L8. 



Length of head 8-40-3-70, of caudal fin 5-25-5-70, height of body 3-20-3-66 

 in the total length. Diameter of eye 3"50-4'80 in the length of the head, 

 1'00-1"50 in that of the snout, Avhich is broad and truncate, and 1'00-1'40 

 in the convex interorbital space. Nostrils distant, the anterior subcircular, 

 tubular, and pierced on a higher level than the posterior, which is oval and 

 horizontal. Tip of the snout rounded, thence to between the posterior 

 margins of the eyes flat or very slightly concave ; occiput and anterior 

 dorsal profile gibbous. L'pper jaw a little the longer. Cleft of mouth 

 rather small, transverse, and oblique, the maxilla reaching to beneath 

 the posterior nostril. Upper surface of head with regular series of large 

 pores in pairs, two on the front of the snout, two above the nostrils, 

 and two inside the supraciliary edge ; the median cephalic groove with a 

 single pore in front and behind ; sides of the head with two series, the 

 upper skirting the suborbital ring, the lower from the chin to the upper 

 angle of the preopercle. Preorbital serrature almost obsolete in large 

 examples : vertical limb of preopercle slightly concave, serrated ; the angle 

 rounded with rather larger teeth ; horizontal limb with coarser denticles, 

 which are generally arranged in groups : opercle with two strong, broad, flat 



