366 MR, C. TATE REGAN ON THE FISHES [NoV. 28, 



III. New Zealand and neighbouring islands. 



A. Anal fin, wlieu laid back, not reaching the procurrent 



caudal rays. 



1. 6 or 7 branchiostegals ; 9 to 11 gill-rakers on the lower 



part of the anterior arch. 

 Pectoral extending less than i of the distance from its base to the 



base of ventral; anal with 12 to 15 branched rays 3. attenuatus. 



Pectoral extending more than ^ of the distance from its base to 



the base of ventral; anal with 10 to 12 branched rays 9. hiittom. 



2. 8 or 9 branchiostegals ; 12 to 14 gill-rakers on the 



lower part of the anterior arch 10. h/nx. 



B. Anal fin, when laid back, extending to the procurrent 



caudal rays but not to the base of the caudal ; 7 to 9 



gill-rakers on the lower pai-t of the anterior arch 11. hreuipiiiiiis. 



C. Anal fin, when laid back, extending to or beyond the 



base of caudal; 10 or 11 gill-rakers on the lower part of 

 the anterior arch. 

 Length of head 4-5 in the length of the fish (in specimens of 



82-215 mm.) 12. fasoiatus. 



Length of head 3f-3| in the length of the fish (in specimens of 



163-205 mm.) 13. alepidotus. 



IV. Australian and Tasmanian. 



A. Ventrals 7-rayed. 



1. Origin of anal opposite to that of the dorsal. 



Anal with 12-15 branched rays 3. attenuatus. 



Anal withlO branched rays 14. occidentalis. 



2. Origin of anal posterior to that of the dorsal, below 



or in advance of the middle of the dorsal. 



a. Origin of ventrals equidistant from tip of snout 



and base of caudal. 



Lower jaw projecting; pectoral extending less than | of the 



distance from its base to the base of ventral 15. ivaitii. 



Lower jaw shorter than the upper (in the adult) ; pectoral 

 extending |-f of the distance from its base to the base of 

 ventral 16. -weedoni. 



b. Origin of ventrals nearer to base of caudal than 



to tip of snout ; jaws equal anteriorly. 

 a. Pectoral extending much less than 4 of the 

 distance from its base to the base of 



ventral 17. rostratus. 



B. Pectoral extending about ^ of the distance 

 from its base to the base of ventral. 

 * Maxillary extending to below anterior 

 ^ or anterior j of e}''e. 



Length of head4|-4± in the length ofthe fish.... 18. truttaceus. 



Length of head 4 in the length of the fish 19. auratus. 



** Maxillary extending to, or nearly to, 

 below middle of eye. 



Anal, when laid back, extending to the base of caudal 20. coxii. 



Anal, when laid back, not extending to the base of caudal 21. affinis. 



3. Origin of anal posterior to the middle of dorsal. 



a. Pectoral extending less than \ of the distance 

 from its base to the base of ventral. 



a. Lower jaw slightly projecting 22. ornatus. 



0. Jaws equal anteriorly or the lower some- 

 what the shorter. 



Caudal peduncle 1^1^ as long as deep 23. olidus. 



Caudal peduncle l|-2 as long as deep 24:. findlayi. 



h. Pectoral extending more than ^ of the distance 



from its base to the base of ventral 25. schomhurgkiU 



B. Ventrals 6-rayed 26. dissimilis. 



