MCCULLOCH. 25 



AA. A secondary adipose dorsal fin present posteriorly. 



I. Dorsal fin opposite or before the ventrals. 



J. Jaws with teeth, scales small, fluviatile. Fam. Salmonidae (No. xxxiv.). 

 JJ. Jaws toothless, scales large, marine. Fam. Argentinidae (No. xxxv.). 



II. Dorsal fin behind the ventrals. 



K. Dorsal before anal, 7 ventral rays. Fam. Aplochitonidae (No. xxxvi.). 

 KK. Dorsal opposite anal, 6 ventral rays. 



Fam. Retropinnidae (No. xxxvii.) • 



XXVI. Family Elopidae. 



A. Dorsal and anal fins each with a basal scaly sheath; the dorsal longer than the 

 anal, its last ray not produced. Elops (46). 



AA. Dorsal and anal fins without scaly sheaths; the anal longer than the dorsal, 

 its last ray produced. Megalops (46). 



45. Elops Linn., Syst. Nat. 12th. ed., 1766, p. 518 (saurus). 



45a. E. hawatensis. Giant Herring. Id. Regan, A.M.N.H. (8) iii, 1909, 

 p. 39, E. machnata Richardson (nee Forskal), Ichth. Ereb. & Terr., 

 1846, p. 59, pi. 36, 3-5. (PL iv.). 

 A tropical species ranging southward to Port Jackson. Attains a length of 

 about four feet, and is good eating. 



46. Meualops Lacep., H.N. Poiss. v, 1803, p. 289 [filamentusus) . 



46a. M. cyprinoides. Ox-eyed Herring. Clupea cyprinoides Brouss., Ichth , 

 1782, pi. 9. M. filamentosus Bleeker, Atlas k-hili. vi, 1872, p. 86, pi. 

 273,1. (PI. iv.). 

 A tropical estuariue species entering fresh water; occurs in the northern river 

 estuaries. 



XXVII. Family Albolidae. 



47. Albula (Gronow) Scopoli, Introd. Nat. Hist., 1777, p. 450 — vide Jordan, 



Gen. Fish. I, 1917, p. 42 (vulpes). 

 47a. A. vrrLPES. Lady Fish. Esox vulpes Linn., Syst. Nat. 10th. ed., 1758, 



p. 313. Conorhynchus glossodon Bleeker, Atlas Ichth. vi, 1872, p. 83, pi. 



270, I. (PL iv.). 

 Occurs in all tropical seas ; only once recorded from New South Wales. 



XXVIII. Family Chirocentridae. 



48. Chirocentrus Cuvier, Reg. Anim. ii, 1817, p. 178 (dorab). 



-48a. C. dorab. Wolf Herring. Clupea dorab Forsk., Descr. Anim., 1775, 

 p. 72; Chirocentrus dorab Bleeker, Atlas Ichth. vi, 1872, p. 92, pi. 271, 3. 

 (PI. iv.). 

 A giant tropical species reaching a length of twelve feet. Not satisfactorily 

 recorded from New South Wales. 



XXIX. Family Engradlidae. 



49. Engraulis Cuvier, R. Anim. ii, 1817, p. 174 (encrasicolus) . 

 49a. E. australis. Australian Anchovy. Atherina australis Shaw, White's 

 Voy N.S. Wales, 1790, p. 296 and plate opposite. E. australis McCul- 

 loch, Rec. Austr. Mus. xiii. 2, 1920, p. 43, pi. 12, 1. (PL iv). 

 Occurs in enormous shoals off the coast. This species is very similar to the 

 European Anchovy. 



