398 liETISION OF SEBASTIN.1^:—EIGENMANN AND BEESON. vol. xvii. 



derer than the others. Interorhital space broad and 

 slightly convex, widened backward, a little depressed 

 on each side next the superocular spine. Gill-rakers 

 slender, 3 in eye. Preorbital scaly; maxillary partly 

 scaly; mandible with some smooth scales. Dorsal 

 deejjly emarginate, the highest spine 2 in head. Head, 

 3; depth, 21^^; D.XIII, 14; A.III, 6; Lat. 



1., .52 ATROVIRENS, 3. 



d(l. Intt'rrn])t('d longitndinal, olive-green bands on the sides over a ground of 

 light red; upper fins blotched with olive, lower pale 

 red. Maxillary reaching to posterior i)art of orbit, 

 2:V in head. Eye, 3^ in head; interorhital concave, 

 (iill-rakers aljout 3 in eye. Highest dorsal spine, 2J 

 in head. Second anal spine, 2 in head. Peritoneum 

 dusky. Head, 2?; depth, 3^; D.XIII, 13; 



A.III, 6 F.LONGATUS, 4. 



Art. Lower pectoral rays thick and fleshy. 



e. Elongate, lower jaw projecting and with a strong symphyseal knob. 

 Maxillary, mandible, and branchiostegals densely 

 scaled. Light red blotches under third dorsal siiine 

 and under the first and last dorsal rays. General 

 color bright light red, mottled above with dusky 

 olive-green ; opercle with a dusky blotch ; caudal 

 bright red, speckled with dark olive. Mouth small, 

 the short maxillary extending to beyond the middle 

 of the eye, 2J in head. Eye very large, longer than 

 snout ; preorbitalnarrow. Interorhital convex, nearly 

 as broad as eye. Gill-rakers slender, 2 in orbit. 

 Highest dorsal spine, 3 in head. 



f. Second anal si)ine much longer and stronger than the third, 2^ in the 

 head. Peritoneum black. Head 3; depth 3^; D.XIII, 

 13; A. Ill, 7 rROKiGEU, 5. 



J'f. Second anal spine shorter than the third; peritoneum white. 



BRKVISPINIS, 6. 



ee. Body short and deep; lower jaw scarcely projecting, or, the jaws equal. 

 .'/. Gill-rakers long, about 2 in orbit. 



li. Peritoneum jet black; dorsal spines low, 2^2^ in head. Elongate, 

 caudal peduncle 33 in depth of body. Maxillary reach- 

 ing vertical from middle of pupil, 2^ in head. Lower 

 jaw slightly the longer. Eye much longer than snout, 

 3-3^ in head. Interorhital somewhat ctuicave. If in 

 diameter of orbit. Preorbital without spines, extremely 

 narrow, its least width two-sevenths pupil. Preoper- 

 cular spines directed backward. Second anal spine 

 very long, l^-ls- in head. Scales rough ctenoid, those 

 on maxillary, mandible, and breast smoother. Five 

 vaguely defined black bars on back. Two black 

 streaks backward from ej^e, the upper terminating in 

 a conspicuous blotch on opercle. Head 2;* ; depth 

 3i; D. XIII, 14 or 15; A. Ill, 7 or 8; tubes 42 (Gil- 

 bert) ZACENTRUS, 7. 



7(7i. Peritoneum pale; median part of interorhital with a deep groove. 

 i. Dorsal spines high, little less than head less opercle, their mem- 

 branes deeply incised. Jaws equal. Yellowish brown, 

 anterior part of the back and sides usually clear yellow ; 

 breast yellow; anterior i)art of body closely covered 



