ANTARCTIC FISHES OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 255 



Synojisis of the Species. 

 I. Interorbital region distinctly concave. 



Interorbital width ^q, pectoral fiu f the length of head . 1. variegatus. 



Interorbital width ^ or ^, pectoral fin f the length of head . 2. angustifrons. 

 Interorbital width -^, pectoral fin f the length of head . 3. diacanthus. 



II. Interorbital region nearly flat. 



Interorljital width ^ the length of head, pectoral fin | . . .4. chilensis. 



Interorbital width more than \ the diameter of eye, which is \ the length of 



head ; pectoral extending to vent ...... 5. veneris. 



Interorbital width 6i in length of head ; pectoral extending well beyond origin 

 of anal .......... 6. decipiens. 



Interorbital width 5 in length of head 7. psychrolutes. 



Interorbital width 3^ in length of head .... 8. roseopictus. 



(1) Bovichthys variegatus. 



Richards., "Hrebiis" and "Terror" Fish., p. 56, pi. xxxiv. figs. 1-4 (1846); Giinth., Cat. Fish., 

 ii. p. 250 (1860). 



Depth of body 4 to 5 in the length, length of head 2f to 3. Diameter of eye 4 to 

 4| in the length of head, interorbital width 10. Interorbital region moderately 

 concave ; maxillary extending to below anterior ^ of eye ; opercular spine equal to or 

 less than diameter of eye ; 8 gill-rakers on lower part of anterior arch. Dorsal VII- 

 VIII, 18-20. Anal 14-15. Pectoral | the length of head. Caudal subtruncate. 

 Caudal peduncle longer than deep. Body with irregular dark cross-bars and usually 

 with pale spots and vermiculations ; spinous dorsal marbled, sometimes with a blackish 

 blotch posteriorly ; soft dorsal, caudal, and pectoral with series of dark spots ; anal 

 with a dark longitudinal band. 



S.E. Australia ; New Zealand and neighbouring islands. 



Here described from six specimens, 75 to 200 mm. in total length, including the 

 types of the species, from New South Wales {Haslar), New Zealand {Otago Mus., 

 Htitton), and Campbell Island {Southern CVoss). 



(2) Bovichthys angustifrons, sp. n. (PI. IV. fig. 1.) 

 Depth of body 4f to 5 in the length, length of head 2f to 2|. Diameter of eye 

 4 in the length of head, interorbital width 12 or 13. Interorbital region moderately 

 concave ; maxillary extending to below anterior ^ of eye ; opercular spine nearly as 

 long as diameter of eye ; 8 gill-rakers on lower part of anterior arch. Dorsal VIII, 19. 

 Anal 14. Pectoral f the length of head. Caudal subtruncate. Caudal peduncle longer 

 than deep. Dark spots on the head and blotches or bars on the body ; soft dorsal and 

 caudal with series of spots on the rays. 



Here described from two specimens, 160 and 145 mm. in total length, the former 

 from Tasmania [Allport), the latter without locality {Chatham Museum). 



