Jordan and Evermann. — Fishes of North America. 1179 



above the eyes; moutli moderate, the maxillary reaching slightly beyond 

 eye, 2\ in head ; teeth in narrow bands ; 2 strong canines in the front of 

 each jaw, those of the upper jaw nearly vertical ; nostrils rather small, 

 snbequal, nearly round ; interorbital space slightly concave, its width 5^ 

 in head ; the orbital ridges elevated. Preopercle with a moderate emar- 

 gination, its angle a little salient, with slightly coarser teeth ; gill rakers 

 rather few, about 17 on lower part of anterior arch. Scales rather small, 

 chiefly cycloid. Dorsal spines rather slender and weak, the outlitie of 

 the fin gently convex ; the second spine slightly longer than the tenth, 

 the third and fourth longest, 3i in head ; anal rather high, posteriorly 

 rounded, 2 in head ; caudal fin a little concave, the inner rays \\ in outer, 

 which are If in head ; pectorals reaching tips of ventrals, 2 in head. 

 Pyloric cceca 12 (Poey.) Color of body in spirits, dark brown, in life 

 with small darker spots, surrounded by reticulations of the ground 

 color ; dorsal and caudal fins dusky, their margins blackish ; anal dusky, 

 edged with bluish black; ventrals dusky, edged with bluish black, the 

 rays lighter; pectorals dusky, a well-defined mustache above the maxil- 

 lary ; fins edged with dull orange in life, this color disappearing in 

 spirits. ■ Length about a foot. Coasts of Cuba ; rather common in the 

 markets of Havana, where the specimens here described were taken by 

 Dr. Jordan, (interstitialis, having interstices.) 



Serramix interstitialis, Poey, Memorias, II, 127, 1860, Cuba. 



Trisotrrypis chlorostomus, Poey, Repertorio, ii, 231, 1808, Cuba. 



Truolropis interstilialia, Poey, Synopsis, 285, 1868. 



Mycteroperca interstitialis, Jordan & Swain, I. c, 365, 1884; .Jordan k Eioenmann, /. c, 371, 1890. 



Epinephelm inlerstialis, Boulenuer, Cat., i, 2(16. 



1568. MYCTEROPERCA DIMIDIATA (Poey). 



Head 3 ; depth 3. D. XI, 16; A. Ill, 11 ; scales 110. Body rather deep 

 and compressed; mouth small, lower jaw projecting; canines strong, as 

 in Mycteroperca falcata; snout rather sharp, 4 in head; maxillary 2; eye 

 5 ; nostrils small, not far apart, the anterior rather the larger ; angle of 

 preopercle salient, armed with stronger teeth ; gill rakers rather slender, 

 x + 14. Scales rather small; caudal fin rather deeply lunate; anal fin 

 rounded. Color in spirits, quite dark above, the lower half abruptly 

 paler; a narrow, pale ring around caudal peduncle, behind which is a 

 squarish dark blotch, smaller than eye, at base of upper rays of caudal ; 

 a dark area from tip of lower jaw through eye to the boundary between 

 the dark and pale on the sides ; caudal, soft dorsal, ventrals, and anal 

 edged with black. Here described from a small specimen (26953, M. C. 

 Z., 8 inches long) in the Museum at Cambridge, sent from Havana by 

 Professor Poey, and probably one of his types. Coasts of Cuba : appar- 

 ently very rare, {dmidiatus, halved, upper half of body differing in 

 coloration from lower.) 



Serranu.i dimidialiis, Poey, Jlemorias, ii, 129, 1860, Cuba. 



Triwtropii dimidiatus, Poey, Synopsis, 285, 1868. 



Mi/cternjierca diinidiaia, Jordan & Swain, I. <•., 367, 1884; Jordan & Eii;knmann, /. .-.. 372, IS'.tO. 



Kpinephelui dimidiatue, Boulknoer, Cat., I, 264. 



