2152 Bulletin //, United States N'ational Mnsciim. 



first spine not serrate; caudal truncate. Head 2^ in length; 

 depth 1%. D. X-12; A. 12. Pores about 50. Back obscurely- 

 spotted ; dorsal and caudal fins spotted with brown, the first 

 dorsal with a black blotch besides; the pectoral with obscure 

 dark spots, and margined with blue. pcjnctatus, 2497. 



tt. First 3 dorsal spines more or less serrate ; gill rakers rather long, 

 about 8 developed; maxillary about 2j in head; a groove 

 behind eye; interorbital space narrow, f eye; third dorsal 

 spine liigh, * head. D. X-12; A. 11. Pores 50. Color brown- 

 ish yellow ; spinous dorsal with a black blotch ; pectoral 

 with 2 longitudinal broad dark areas separated and sur- 

 rounded by paler. beanii, 2498. 

 «s. Spines on bones of head elevated, knife-like; head very large, 

 more than | length; temporal ridge with 2 bluntish spines; 

 bones of the head very sharply striate; young with 4 sharp, 

 knife-like spines on side of cheek and snout, in a line before 

 the preocular .spine, these nearly disappearing with age ; maxil- 

 lary about 2^ in head ; .sides without dark longitudinal stripe. 

 M. Pectoral fin moderate, about \ body in adult, 2J in young ; gill 

 rakers slender in the young, becoming shorter and thicker 

 with age, about 10 developed on lower part of arch; head 

 broad, the .spines on its upper surface very prominent, all 

 of them more or less compressed and knife like, especially 

 in the young. Second dorsal spine 1\ in head; head 2^; 

 depth 4J. D. X-12; A. 11. Body brownish, much mottled 

 with grayish and dusky, and with 3 or 4 obscure dark 

 cross bands; head and dorsal fins with many dark spots; 

 caudal with 2 dusky shades; free rays of pectoral spotted. 



TEIBULDS, 2499. 

 MM. Pectoral fin short, about 3 in body; gill rakers long and slen- 

 der, 5 developed; scales small, 100; spines as in P. tribtdus, 

 but still larger and more knife-like, much larger than in 

 any other species; pectoral fins reaching third anal ray; 

 interorbital space broad, little concave, about as wide as 

 eye. Body brownish ; no black blotch on spinous dorsal ; 

 soft dorsal and caudal barred, pectoral with a broad black 

 band. hoebens, ZbW. 



Subgenus GURNARDUS, Jordan & Evermann. 



2480. PUIOXOTUS BIBOSTRATUS, Kichardson. 



Head 3 ; depth 5. D. IX-12 ; A. 1, 10 ; C. 10. Body slender and elongate ; 

 width at nape between costal spines 5i in head; head long, profile before 

 eyes concave, the snout with a projecting lobe on each side, the lobe 

 longer and narrower than in any other species, its length | eye; a back- 

 ward projecting spine at base, besides nnmerous retrorse serne along its 

 sides; surfoce of bones very rough; mouth small; maxillary barely ^ 

 head, not reaching front of eye; eye 4^ in head; interorbital space very 

 narrow, deeply concave, granular, striate, its length * eye, 7 in head; 

 orbital rim elevated, with a stout spine anteriorly, before which are 3 or 4 

 others forming a raised ridge; a stout spine above posterior part of orbit, 

 another behind orbit; still another on the occipital beyond ridge; 2 or 3 

 blunt spines behind eye; a stout spine on opercle which reaches slightly 

 beyond base of the still larger humeral spine ; a stout spine on preopercle 



