658 ON A TRACHYPTERUS FROM N.S.W., 



In the present tentative state of our knowledge I am inclined 

 to synonymise the Australasian species as follows : — 



1. Trachypterus jacksoniensis. 



1 Trachypterus altivelis (not Kner), Hutton, Trans. N. Zeal. 

 Inst. V. 1873, p. 264, and viii. 1876, p. 214, and xxii. 

 1890, p. 281; Johnston, Proc. Roy. Soc. Tas. 1882, p. 123, 

 and 1890, p. 34; Macleay, Proc. Linn. Soc. N.S. Wales, 

 ix. 1884, p. 43; Gill, Mem. Ac. Nat. Sc. Washingt. vi. 

 1894, p. 120. 



Regalecus jacksoniensis, Ramsay, Proc. Linn. Soc. N.S. Wales, 

 V. 1881, p. 631, pi. xx; Macleay, Proc. Linn. Soc. N.S 

 Wales, vi. 1881, p. 55. 



Trachypterus jacksoniensis, Ogilby, Catal. Fish. N.S. Wales, p. 

 43, 1886. 



Trachypterus tcenia (not Bloch & Schneider), McCoy, Prodr. 

 Zool. Vict, dec. 13, pi. cxxii. 1886; Lucas, Proc. Roy. Soc. 

 Vict. (2) ii. 1890, p. 32. 



Coasts of south-eastern Australia, ? Tasmania, and ? New 

 Zealand. 



la. Trachypterus jacksoniensis polystictus. 

 Coast of New South Wales. 



2. Trachypterus arawat^. 



Trachypterus armvata^., Clarke, Trans. N. Zeal. Inst. xiii. 1881, 

 p. 195, c. fig.; Hutton, Trans. N. Zeal. Inst. xxii. 1890, 

 p. 281; Gill, Mem. Ac. Nat. Sc. Washingt. vi. 1894, p. 

 120. 



Coast of New Zealand. 



The former of these species is evidently analogous to the 

 Mediterranean T. trachyptera; in reference to the height of the 

 dorsal I am very doubtful as to the expediency of laying much 

 stress on that character; I think it probable that, like the rays 



