PARALICHTHIN^ ,j, 



ft Origin of dorsal above or a little in advance of anterior 

 nostnl, a line connecting base of first ray and posterior 

 nostril, if continued, passes above hinder end of maxillarv 

 or crosses its most posterior part. 

 i Dorsal 67-76, anal 51-58. 



§ Depth If to 2, head 3^ to neariv 3 J m length ; scales all 

 ctenoid on ocular side ; upper profile of head 

 notched . . ,^ „;„ , 



§§ Depth 2^ to 2i head 3f to 4 in length ; scales of 

 ocular side more or less ctenoid anteriorly mostly 

 cycloid posteriorly; a strip of ctenoid scales at 

 edges of body ; upper profile of head scarcely 

 notched, usually evenly cuned . . 16 iavanicif; 



it Dorsal (78) 80-89, anal (59) 63-69. lavamcus. 



§ u or 12 gill-rakers on lower part of anterior arch ■ 



scales all ctenoid on ocular .side . 17. cinnamoneus. 



^^ 8 (or 9) giU-rakers on lower part of anterior arch • 

 scales cycloid on ocular side except for a strip of 



,? Origin .f H*''"°','^'^'''''',''*^''^'''°^''°'^>' • ■ ^8- levisquamis. 



li. Ongm of dorsal immediately behind (occasionally above) 



posterior nostnl of blind side, above or verj- little in advance 



of antenor part of eye. 



(12) 14 to i6 gill-rakers on lower part of anterior arch • eye 

 4 to 4J in head ; upper profile of head with distinct notch 



** (6) 8 to 10 gill-rakers on lower part of anterior arch • eye '"^^'"' 



(4) 4i to 6f m head : upper profile of head usually with a 



^ more or less distinct notch . . . . -.0 jenynsii 



** 9 to II (12) gill-rakers on lower part of anterior arch ■ eye 3* ' 



to 4j in head ; upper profile of head straight or wth 



rather shallow notch ,1 „eglecl„s. 



DouBTFiTL Species. 



22. nauphala. 



23. guliulatus. 

 24. moorei. 



th.^^" .^"■^"f5;"<="t of the lamins in the nasal organs is somewhat variable among 

 ^e Troup fur^he^°'°r'' ^"* ' ^T" been unable to m^ake use of this character to dMdf 

 found °n^P««^W,/y,J^' fh'^T''^' '"'k' '^^ ='^^"g'='"^"t *= niore or less similar to that 

 rachis hnffn .1^ ^ • Tu""^ ''u"'^ arranged transversely to a fairly elongate 



I^an^men '7^0/^'",;'/'''' 'fo' '" ""^''"^^ ^"<^ ^^^ '='™'"'^ have a radiating 

 arrangement. In P. inocellatus and P. anrndatus the lamina are rather broader inri 

 more numerous than m other species. Broader and 



I. PSEUDORHO-MBUS SPINOSUS, McCulloch. 

 I'^cmlorhombus sp,„osus McCulloch, 19,4, Biol. Res. " Endeavour ", ii, p. ,.9. p| ^,v ■ Xonnan 

 1926 Biol. Res. •' Endeavour ", v, p. ,24 : .McCuUoch, 19.9, Mem ^ust Mus v ,-0 ' 



/stwrhombus sp„wsus, Whitlev, 1931, Aust. 2ool vi p 3-> ' ' ^' -'^■ 



hliorhombus spinosus normani, Whitley, 1931, torn, cit., p. ,22. 



h.=.?^^*^,°* ^°'^^ -* *° -* '" ^''^ '^"Sth, length of head 3I to 3t Upper profile of 



whichira/to'm' ierth°*n "^'h" ''r' °' '>"^- ^°°"* '°°Ser th\n ey^e^ia'Lieter ^f 

 Which is 4i to 3 in length of head ; lower eye scarcely in adxance of upper which is 

 separated from edge of head by a space equal to f its diameter. .Maxilla^ Extending 



