12 Mr. C. T, Regan — Diagnoses of 



bauds. Lower end of gill-opening opposite middle of base of 

 pectoral. Anal origin below about nintli ray of dorsal. 



Total lengtli 140 mm. 



S. of liulleny Is., 2U0 fathoms. 



Trematomus penneUiij sp. n. 



D. V-VI, 32-34. A. 30. Scales 52-56; in upper lateral 

 line 32 to 36. Eye 3^ to 3^ in head, iriteroibital width H 

 to 10. Scales on head as in T. Iiaiuoni, from which this 

 species diti'ers in the fewer scales and tiu-rays. 



Total length 100-140 mm. 



Off C. Adare, 45-50 fathoms. 



Trematomus centronotuSy sp. n. 



D. V-VI, 32-35. A. 29-32. Scales 50-56 ; in upper 

 lateral line 30 to 36. CJlosely related to T. pennellii ; eye a 

 little larger and interorbital width a little less, but especially 

 distinguished by having the dorsal spines stiti' and pungent. 



Total length 175-210 mm. 



McMurdo Sound, 100-200 fathoms. 



Trematomus eulejJi'dotus, sp. n. 



D. VI, 35-36. A. 33-34. Scales 70; in upper lateral 

 line 42 to 46, in lower 10 to 15. Eye 3.^ in head, interorbital 

 width 5. Head covered with scales, only the lips naked. 



Total length 140-165 mm. 



McMurdo Sound, lGO-241 fathoms. 



Artedidraco oriauw^ sp. n. 



D. III-IV, 25. A. 17-18. Depth 5 to 5.' in length, 

 head 2|^ to 3. Barbel club-shaped, \ length of head. Soft 

 dorsal iiighest anteriorly. 



'i'(jtal length 80 mm. 



Olf C. Adare, 45-50 fathoms. 



iJolloidraco vcUfcr^ sp. n. 



\). II-lII, 26. A. 17. Depth 4 in length, head 2?. 

 Barbel long, fringed distal ly. Anterior rays of soft dorsal J 

 to jf'o length of head. 



Total length 180-li)0 mm. 



McMurdo Sound, 207 fathoms. 



