214. 
SCXAENA, 
Genus XXXVII. Scieaa. 
] he fifties of this genus are wholly exotic ; and arc 
characlerifed by an oval, compreffed and carinated body s 
The fcales are very minute, fmooth, and towards the 
back and belly railed and loofe. The jaws are of un- 
equal length, furnifhed with a great number of (harp, in- 
curvated teeth, that are covered by two thick lips. They 
have a fingle dorfal and anal fin, with a loofe appendage 
beyond the rays : The ventral fins are placed on the 
thorax, a little behind the peftoral, and are lharpened at 
the point *. A great part of the fillies belonging to this 
genus are black, and obtained the names of fea-crows, ra- 
vens, and umbres, from the old naturalifts. Some of 
them are peculiar to the Brazilian coalls, where they are 
cjiftinguiihed by the original Indian names. 
lihe Sea- Crow f. 
1 firs fpecies is of a black colour, in ihape refembliug 3 
perch ; the ventral and anal fins are black, as if dyed 
with ink ; the back variegated with undulating lines, of 
dark 
* Guam Hid. pile. p. 140. 
f Coracinns, Road. Umbra, Salviani. 
