538 CONTRIBUTIOXS TO NORTH AMERICAN ICHTHYOLOGY — IV, 
from that of Epineplielus. * * * The skull differs from that of Epi- 
neplielush})’ t\iQ wider iuterorbital area, the parallelism aud coutmuation 
of the lateral crests forward to the middle of the orbits inclosing an elon- 
gated i)arallelogram, the surface of which, especially between the orbits, 
is more uniform ; the absence of a frontal crest, the simple curvature or 
straightness of the naso-vomerine ridge and absence of the angle at the 
suture between the nasals and vomer.” {Gill.) The species of this 
group have the anal III, 11, or III, 12. They reach a verj- large size, 
and are abundant in the troiiical seas. thrice; rpo-tq, a keel, in 
allusion to the presence of the three parallel elevated keels on the top 
of the cranium, which distinguishes this genus from Epineplielus.) 
844. T. bi ’latSBoeBSS Poey. — Black Grouper; Ahadejo. 
Clear brown, covered with spots of darker brown, irregular in size 
and form; pectorals reddish; ventrals bluish; other fins dusky; max- 
illary with a supplemental bone ; preopercle sinuous ; third dorsal spine 
not a third as high as the body; soft dorsal highest «t its middle. 
Head in total length ; depth about 4. Eye 74 in head. D. XI, 10; 
A. Ill, 11; Lat. 1. about 110; cceca 15. {Poey.) West Indies, north to 
Virginia. 
{Serranus brunneus Poey, Memorias Cuba, ii, 131, 1858; Goode & Bean, Proc. U. S. 
Nat. Mus. 1879, 143.) 
845. T. faScatiBS Poey. — Scamj). 
Brown, with irregular darker sjiots, none on the head or belly ; jicc- 
torals edged with blackish and orange. Body moderately compressed. 
Maxillary reaching vertical from posterior margin of eye; lower jaw 
much projecting beyond the upper; upper jaw with teeth in a single 
series, with a short band in front; 4 canines; lower jaw with teeth in 
two series, and with several canines at the symphysis ; teeth on vomer, 
in an angular patch ; palatine teeth in a single series. Sixth dorsal 
spine longest ; caudal deeply forked, the external rays nearly twice the 
length of the middle ones. Head 24 ; depth about 3. D. XI, 17 ; A. 
HI, 11; L. lat. 120; L. transv. {Goode tfi Bean.) West Indies, north 
to Pensacola. 
(Poey, Memorias, ii, 138; Goode & Bean, Proc. U. S. Nat. Mus. ii, 140, 1879.) 
846. T. luicrolepis Goode & Bean. 
Maxillary reaching perpendicular from posterior margin of orbit; 
each jaw with two canines; upper jaw with an inner series of Aulliforin 
and an outer series of large slender conical teeth curved inward ; lower 
