PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 355 



c. Scales above the lateral line formiug oblique series; teeth very strong; lower 

 jaw with about 8 canines, which are not much smaller than the canines of the 

 upper jaw; posterior nostril nearly round ; a narrow occipital band of scales; 

 anal spines graduated ; dorsal spines ten, rather slender ; pectoral shortish, 

 not nearly reaching anal ; soft rays rather low ; body rather elongate, the back 

 not arched. Color dark brown ; ventrals and anal largely blackish . . Prikto. 



ce. Scales above the lateral line forming horizontal series parallel with tbe lateral 

 line; teeth rather strong; the lai'ge teeth of the lower jaw not canine-like. 

 much smaller than the upper canines ; posterior nostril oblong ; occipital 

 band of scales very narrow. 

 d. Body rather deep, the depth about equal to length of head ; scales rather 

 small and tirui, in five series above lateral line ; second anal spine larger thnn 

 third; dorsal spines ten, rather low and strong; soft rays of dorsal and anal 

 high; pectorals long, about reaching anal. Color red, dusky above; a short 



blue streak on suborbitals; anal and ventrals largely dusky Colorado. 



dd. Body elongate, the back not elevated, the depth less than length of head; 

 scales large and rather thin, in four series above lateral line ; dorsal spines 

 eleven, high and slender; second anal spine smaller than third; soft dorsal 

 and anal low ; pectorals much longer than ventrals, but not reaching vent. 

 Color brown, with broad silvery stripes along the rows of scales ; young with 



silvery bars ; lower fins dusky Aratus.* 



aaa. Vomerine teeth unknown ; body elongate, the depth less than length of head ; 

 second anal spine longer than third ; dorsal spines ten, low ; pectorals very 

 short, not longer than ventrals; scales rather small. Color purplish-brown, 

 the centers of the scales paler ; body with nine faint vertical bars ; upper fins 

 edged with dusky ; base of pectoral dark NovEMFASCiATL's.t 



19. Micropogon ectenes, sp. nov. (28295, 29538, 28336, 28361.) 



Bead 3^ in length (3| with caudal); depth 3| (4|). Length (28295) 

 16i inches. D. X-I, 25 or X-I,24; A. II, 7 or II, 8; scales 7-53-13; 

 tubes of lateral line 54. 



Body rather elongate, slenderer than in 3L imdulatus, moderately 

 compressed, the hack little elevated; anterior profile straightish or 

 slightly undulate. Head long, rather low, the snout long, and alnuptly 

 truncate at the tip, which projects but little beyond the premaxillaries. 

 Mouth nearly horizontal, the lower jaw included, the maxillary barely 

 reaching to oi)posite front of eye; its length 3^ in head. Teeth in 

 rather broad bands, the anterior in upper jaw little enlarged. 



Snout with the usual lobes and jjores at tip, its length 3^ in head ; chin 

 with 5 large pores ; about four small barbels on the inner edge of each 

 dentary bone anteriorly. These are rather shorter than the posterior 

 nostril, which is oblong and much longer than the anterior nostril. 



Eye rather large, 6 in head, 1^ in interorbital width, a little more 

 than half snout, a little less than preorbital width. Preopercle with 

 numerous rather strong teeth above the angle which has two large, 



* Mesoprion aratus Glinther, Proc. Zool. Soc. Loud. 1864, 145. Mazatlan {Gilb.) ; 

 Punta Arenas (G«7&.); Chiapam (G#/i)-.) ; Panama (GfAr., Gilb.). 



\ Lutjamts novemfasciatns Gill, Proc. Ac. Nat. Sci. Phila. 1862: Mesoprion iiiermis Ber- 

 lin. Monatsber. 1869,705. Cape San Lucas (GiZi)/ Mazatlan (Peters). Not obtained 

 by Mr. Gilbert. 



