DR. GUNTHER ON THE FISHES OF CENTRAL AMERICA. 409 
7. CENTROPRISTIS MACROPOMA. (PI. LXV. fig. 1.) 
Giinth. Proc. Zool. Soc. 1864, p. 145. 
D. = A: 3 L. lat. 52. L. transy. 6/16. 
Closely allied to C. radialis, Q. & G.; but whilst that species has a notch above the 
spiniferous angle, the present has its preopercular margin not interrupted, the long 
spines of the angle gradually passing into the finer serrature. There are six series of 
scales between the eye and the angle of the preoperculum. The maxillary extends 
nearly to the vertical from the posterior margin of the orbit. Dorsal fin with a notch, 
the ninth spine being considerably shorter than the tenth. A series of rather small 
brownish spots above and below the lateral line. 
Three specimens, 43 inches long, were collected by Messrs. Dow and Salvin on the 
Pacific coast of Panama. 
8. SERRANUS CREOLUS, C. & V. 
I have examined specimens from the Atlantic coasts only; but Mr. Gill has found it 
in a collection of fishes from Lower California, the specimens being undistinguishable 
from those of the West Indies and South America (Proc. Ac. Nat. Se. Philad. 1862, 
p: 249). 
12. SERRANUS SELLICAUDA. 
Epinephelus sellicauda, Gill, Proc. Acad. Nat. Se. Philad. 1862, p- 250. 
Do AS? “1. Yat. 100: 
Caudal fin with the posterior margin convex. ‘The height of the body is rather more 
than three-fourths of the length of the head, and one-fourth of the total (caudal 
included). The diameter of the eye is one-fourth of the length of the head. Praoper- 
culum finely serrated behind, with some coarser teeth at the angle, lower limb entire ; 
sub- and interoperculum entire. Ventrals three-fourths of the length of pectorals, and 
reaching two-thirds of the distance between their insertion and the commencement of 
the anal. Brownish, with olive-coloured spots of larger and smaller size on the body 
and opercles. All the fins with a narrow white margin. A square black blotch across 
the back of the tail. 
Description Body not very elevated; its greatest height is below the third spine of 
the dorsal fin, rather more than three-fourths of the length of the head, and one-fourth 
of the total. The distance between the end of the dorsal and the commencement of 
the caudal is nearly one-sixth of the length of the base of the dorsal, is contained once 
and two-thirds in the base of the anal, is one-fourth of the distance between the dorsal 
fin and the snout, and equals the least depth of the tail. ‘The distance between the 
eyes is one-half of the diameter of the eye, and covered with very minute scales, which 
are found also on the preorbital around the nostrils. ‘The length of the snout is two- 
thirds of the diameter of the eye. The maxillary bone reaches the vertical from 
the posterior margin of the eye. ‘The mandibulary is one-half of the length of the 
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