296 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



ent species by Cuvier, although canna was originally a manuscript 

 name of the latter author. 



6. Haemulon scudderi. Mojarra prieta. 



Hcemulon scudderi, Gill, Proc. Ac. Nat. Sci. Phila., 1862, 253 (Cape San 

 Lucas) ; Steindachner, Ichth. Beitr. iii, 18, 1875. 



Diabaaia scudderi, Jordan & Gilbert, Bull. U. S. Fish Comm., 1881, 324; 

 1882, 107, 110, (Mazatlan, Panama); Jordan & Gilbert, Proc. U. S. Nat. 

 Mu8., 1882, 361, 626 (Cape San Lucas, Panama.) 



Hcemulon hrerirostrum, Gunther, Fishes Centr. Amer., 1869, 418, (Panama ? ? 

 Puerto Cabello. ) 



Bcp.mulon undecimale, Steindachner, Ichth. Beitr. iii, 1875, 11, (Acapulco, Pan- 

 ama). 



Habitat. — Pacific coast of tropical America; Cape San Lucas to 

 Panama. 



Head, 3^ {^) ; depth, 2^ (3^). D. XI, 16 (sometimes XII, 15). A. 

 Ill, 7. Scales, 5^-49-13. Length (29282, IJ. S. Nat. Mus., Panama) 9J 

 inches. 



Body short and deep, still deeper than in H. acvtum, the back com- 

 l^ressed and arched ; anterior profile very steep and nearly straight 

 from the tip of the snout to the nape, then evenly convex. Snout low 

 and short, but not obtuse, its length in specimens of moderate size, 3 

 in head. 



Mouth comjiaratively small, the maxillary extending in adult barely 

 to front of pupil, its length 2^ in head. Lower jaw slightly included. 

 Teeth moderate, the posterior teeth of lower jaw largest. 



Eye large, 4 in head. Interorbital space convex, its width 3§ in 

 head. Preorbital rather deep, its least breadth 5 in head. Preopercle 

 rather strongly serrate ; the teeth near the angle larger and farther apart 

 than the others. 



Gill-rakers rather small, about 5 on lower part of arch. 



Scales rather large ; those above lateral line somewhat enlarged, 

 notably larger than those below, and arranged in very oblique series ; 

 series of scales from scapular scale reaching fifth dorsal spine. Soft 

 fins well scaled. 



Dorsal spines stout ; the fourth highest, 2 in head } longest soft rays, 

 3 J in head; upper caudal lobe. If ; longest anal rays, 2^ in head, reach- 

 ing when depressed beyond the tip of the last rays, the free margin of 

 the fin straight. Second anal spine longer and stronger than third, 2^^^ 

 in head, reaching when depressed nearly to the tip of the last ray. 

 Ventrals, 1^ in head ; pectorals long, 1-^^. 



Coloration precisely as in Hcemulon acutnm and undergoing the same 

 changes with age. Adult dull pearly grayish, light or dark, with a 

 roundish dusky blotch at base of each scale of back and sides, these 

 not coalescent, but forming dark interrupted lines in the direction of 

 the rows of scales. Head unspotted, a black blotch under angle of 

 preopercle. Fins dusky grayish, the pectorals palest. 



