318 FISHES FROM BRAZIL JORDAN. 



opening within which is a septum considerably below the surface. Pre- 

 opercular and opercular spines almost obsolete. Eye, 2|in head; ven- 

 tral nineteen-tweutieths of head. Dorsal spines more or less granulate 

 on the edge. Tail slim ; caudal lunate. Scales about 93. Tweuty-one 

 gill-rakers below angle. Pectoral, 2 in head. 



HOLOCENTRID^. 



34. Holocentrus adscensionis (Osbeck). 



Several specimens. The Brazilian specimens differ somewhat from 

 those from Cuba, and the latter should be regarded as a distinct variety 

 {Holocentrus sogo Bloch). The Brazilian form (var. adscensionis, or pen- 

 tacanthus) has the preopercular spine not reaching past the gill open- 

 ing, its free portion 2^ in eye. Pectoral short, 1| in head, measured 

 to end of opercular spine; ventrals reaching vent. Third anal spine 

 measured from the scales, 2^ in head. Soft dorsal, 1^ in head; caudal 

 lobe not quite equal to head. In var. sogo the preopercular spine 

 reaches about to root of pectoral, its free part 1^ in eye. Pectoral, If in 

 head ; ventrals nearly or quite to vent. Third anal spine, 1 1% in head ; 

 soft dorsal one-tenth longer than head ; caudal lobe about one-eighth 

 onger. The color and form seem to be the same in both forms. 



35. Myripristis jacobus (Cuv. & Val). 



Several specimens. They are exactly like others from Cuba, and are 

 therefore identical with M. lychnus of Poey. 



CENTROPOMIDiE. 

 ""Se. Centropomus undecimalis (Bloch). 

 Three specimens. 



SERRANID^. 

 37. Rypticus saponaceus (Bloch & Schneider). 



One specimen, young. Spines, 3; dorsals separate; depth, 3^ in 

 length ; 16 scales between lateral line and dorsal ; pectoral, IJin head; 

 body faintly mottled ; fins dark edged ; a dusky blotch behind eye. 

 Adult specimens from Florida have the body deeper, the depth 3^; 

 pectoral, 1^ in head, and the dorsal continuous. 



The specimen from Bahia is probably the young of the same species, 

 and is identical with the young specimens sent from Havana by Poey. 

 Castelnau calls this species Rypticus microps, crediting this name to 

 Broussonet, but I have not found it in print. 



38. Mycteroperca falcata (Poey). 



Scales, 125 ; 16 gill-rakers on lower half of arch ; anal slightly pro- 

 duced ; caudal, lunate. 



