316 Mr. F. W. Hutton on New-Zealand Fishes. 



back to the posterior margin of the prceoperculum. Eyes 

 lateral. Mouth wide, with rather strong teeth in the jaws 

 and a band of villiform teeth behind them ; vomer and palatine 

 bones smooth. Prgeoperculum scaly behind the eye, its margin 

 denticulated. Operculum with two points above the shoulder. 

 Lower jaw slightly longer. Spines of first dorsal flexible. 

 Ventrals in front of the pectorals. Caudal rounded. 



Variable in colour from dark olivaceous black to olive- 

 green, slightly mottled with blackish on the back ; lips speckled 

 with white ; axil of pectorals yellow ; caudal and dorsal 

 blackish. 



Total length 14*5 inches. 



Hab. Dunedin. 



This fish and the next differ from the rest of the species of 

 Notothenia in having the head narrower and the eyes lateral, 



Notothenia microlepidota. 



B. 6. D. 7 | 26. A. 23. V. \. P. J 8. L. lat. 91. 



L. trans v. 12/32. 



Length four times and a half the height of the body, or 

 three times and a half the length of the head ; breadth of the 

 head not much more than half its length. Interorbital space 

 rather less than twice the diameter of the eye, flat, slightly 

 roughened. Prgeoperculum scaly behind the eye, its margin 

 entire, straight ; operculum with a semicircular notch above 

 the shoulder. Eyes lateral. Teeth as in the last species. 

 Lower jaw longer. Ventrals a little in front of the pectorals. 

 Caudal emarginate. No pores on the head. 



Purplish brown above, greyish below; throat, gill-membranes, 

 axil of pectorals, and opercles yellowish. 



Total length 17*25 inches. 



Hab. Dunedin and Moeraki. 



Psychrolutes latus. 



B. 7. D. 9. A. 9. CIO. V. 2. 



Length nearly three times and a half the height of the 

 body, or about twice and three fourths the length of the head. 

 Breadth of the head equal to its length ; height of the head 

 about four fifths of its breadth. Snout rounded, jaws equal, 

 maxillary not extending to the middle of the eye. Anterior 

 nostril with a very short tentacle. Diameter of the eye about 

 one third of the interorbital space. Top of the head and 

 operculum covered with soft skin. Operculum produced into 

 a flexible posterior process ; the gill-opening commences above 



