398 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



ticable for tlie present, as the crania of but two of the numerous si^ecies 

 {guttatus,fulvus) have as yet been examined. We unite all nine-spined 

 Ej^ineplieli in a single generic group, Enneacentrus. 



ANALYSIS OF SPECIES OF ENNEACENTRUS. 



a. Caudal fin rounded or subtruncate. 



h. Sides with nine or ten dark cross-bands; sides of head and jaws with many 

 round bluish or yellowish spots ; a large jet-black spot behind eye ; vertical 

 fins edged with blue; lower jaw much projecting; preopercle very finely 

 serrulate, its angle not salient ; scales i*ather large (lat. 1. about 80) ; second 



anal spine longest ; caudal much rounded Panamensis, 29 



&&. Sides without cross-bands, 

 c. Skull convex between orbits (Petrometopon, Gill) ; body, head and tins more or 

 less covered with scarlet or orange spots ; about four round inky spots along 

 base of dorsal ; lower jaw not strongly projecting ; caudal fin much rounded ; 



scales rather large (lat. 1. about 80) Guttatus, 30. 



cc. Skull channeled between orbits {Enneacentrus); head and body with few or 

 many small blue dark-edged spots ; lower jaw strongly projecting. 

 d. Snout with one or two blue stripes; back of tail without conspicuous black 



blotch; caudal rounded ; scales small (lat. 1. about 115) T^niops, 31. 



dd. Snout without stripes; back of tail with two black spots; lower jaw with 

 a black spot at tip ; caudal subtruncate ; scales moderate (lat. 1. about 90). 



FuLVUS, 32. 



aa. Caudal fin lunate {Menephorus, Poey) ; carmine red, the head and body sprinkled 



with blue dark-edged spots; preopercle without salient angle.. Dubius, 33. 



29. Enneacentrus panamensis. 



Serranus Panamesis, Steindachner, Ichth. Boitr., iv, 1871, 1 (Panama). 



Habitat. — Panama. 



This species is known only from Steindachner's description and ex- 

 cellent figure. 



30. Epinephelus guttatus. Enjanibre; Coney ; Rough Hind. 



a. Scarlet variety {guttatus). 



CugupuguacUfWilloughhy , Appendix, pi. 6, f. 1 (Brazil ; not of text, p. 303 ; not 



of Marcgrave, fide Poey). 

 Perca guttata, Linnseus, Syst. Nat., x, 1758, 292 (in part, after Marcgrave, 



Sloan, Willoughby, Ray, and Catesby); Linnaeus, Syst. Nat., xii, 485, 



1766 ; Gmelin, 1788, 1355 (cop^^ed ; perhaps the brown variety). 

 Perca guttata, Bloch, Ichthyol., pi. 312, about 1795 (descrii)tion and figure 



from a drawing by Plumier). 

 Serranus guttatus, Castlenau, "Anim. nouv. ou rares, S. Amer., about 1850, i" 



(Brazil). 

 Sparus cruentatus, Lac^pfede, Hist. Nat. Poiss., iv, 157, tab. 4, f. 1, 1803 (on a 



cojiy of Plumier's drawing). 

 Serranus apiarius, Poey, Memorias Cuba, ii, 143, 1860 (Havana). 

 Petrometopon apiarius,'Poej, Synopsis Pise. Cubens., 1868, 288; Poey, Enum, 



Pise. Cubens., 1875, 20 (name only). 

 ^Sen-awMS corona/M8, (pale variety) Gunther, i, 124, 1859 (Puerto Cabello; Cuba, 



Jamaica, and Trinidad) ; Cope, Trans. Am. Philos. Soc, 1871, 466 (St. 



Croix ; New Providence). 



