200 Mr. C. T. Rcrran on the 



head ; maxillary extending to below anterior quarter of eye ; 

 caudal peduncle about as long as deep. The dorsal originates 

 above the opercular cleft, and the rays increase in height to 

 about the seventeenth, the whole fin being rounded. The 

 caudal is slightly eniarginate in the young, moderately forked 

 in ihe adult. Hie lateral line has a long curve, becoming 

 straight below about tlie tweuty-sixth ray of the dorsal. 

 Gill rakers as long as gill-fringes, IG on the lower part of the 

 anterior arch. Pra^operculum distinctly spinate in the young. 

 Scales loosely inserted, numerous pores on the body which do 

 not pierce the scales. Greenish brown above, silvery below ; 

 fins brown ; the young with purplish spots on the sides, which 

 are still present in a specimen 175 millim. in total length. 

 Atlantic; Mediterranean. 



^•Lirus per nanus. 

 Centrolopkus pernanus, Steind. SB. Ak. Wien, Ixx. 1875, p. 384. 



Depth of body 3^ times in total length, length of head 3 

 limes. Snout a little longer than the eye, the diameter of 

 which is 5 times in the length of head, interorbital width 2f 

 to .'^1 times. Maxillary extending to below anterior margin 

 of eye. D. A^III-TX 26-28, spines graduating to the higher 

 soft rays, the soft fin highest anteriorly, the longest rays j^ to 

 I of the length of head. A. III. 18, similar to soft dorsal. 

 Pectorals falciform, as long as the head. Ventrals short, 

 inserted behind the pectorals. Caudal lunate. Sc. 80-90 ^|^. 

 Upper part of the body with dorsal and pectoral fins dark 

 violet; lower part of body with anal and ventral fins golden, 

 usually with small violet spots ; sometimes violet streaks 

 extending down from the ground-colour of the back over the 

 sides. 



Coast of Peru, in deep water. Common in the market at 

 Callao. 



Lirus Vcdenciennesi, 

 Centrolophus Vulcnciennesi , Moreau, Poiss. France, ii. v). 496, ficr. 138 



(1881). ' i . n 



This species is said to differ from L. ovah's in the lesser 

 number of rays in the dorsal and anal. D. VIII 21. 

 A. Ill 16. tSc. 75. 



Mediterranean (Marseilles). 



