1316 Bulletm 47, United States National Museum. 



a. Body with 2 lengthwise bands; humeral bar brownish; a 



dark caudal spot, and a spot on back of caudal peduncle. 



SPLENIATUS, 1689. 



gg. Body with longitudinal stripes of blue or yellow or both; young with a 



black blotch at base of caudal; preorbital broad: gill rakers x+16. 



j. Anterior part of body witli 2 broad, dark crossbars, the one from 



the nape obliquely forward through eye, the other from front of 



dorsal downward; behind these a series of horizontal stripes 



alternately yellow and blue; pectoral longer than head ; second 



anal and fourth dorsal .=pines nearly equal. 



k. Blue stripes on side about 6 in number, very distinct, not 



nearly as wide as a .scale; shai'plj- edged with darker bine, 



their width about J that of the olive interspaces ; additional 



blue stripes in the interspaces faint and few ; vertical bands 



of head and shoulder brown. tjeniatus, 1C90. 



kk. Blue stripes on side as broad as a scale, each more than | the 



width of the golden -yellow interspaces, and each very 



faintly edged with darker; vertical bands on head and 



shoulder jet-black. vieginicds, 1691. 



jj. Anterior part of body without dark crossbars, the body sometimes 



plain yellowish, the back usually violet, with 4 or 5 yellow 



lines ; silvery below ; snout short, not longer than width of eye ; 



dorsal flu very deeply notched, with feeble spines; second and 



third anal spines equal in length; body a little more oblong 



than in surinamensis. SERRULA, 1692. 



Subgenus PARACONODON, Bleeker. 

 1681. ANISOTREMUS PACIFICI (Giinther). 



Head 3i; depth 2? to 2f. D. XI, 13; A. Ill, 10; scales 7-47-13; second 

 anal spiue 2 in head; fifth dorsal spine 2; pectoral 4i. Scales above lat" 

 eral line in series parallel with it. Dorsal spines rather low, the longest 

 not more than i length of head; second anal spine about i head; pectorals 

 much shorter than head, not reaching to tips of ventrals; eye more than 

 twice as wide as the narrow preorbital. Body compressed, considerably 

 elevated, the greatest height below the fifth dorsal spine ; profile rounded 

 from base of first dorsal spine to the nape, concave over the eye, descend- 

 ing abruptly down the snout; interorbital area twice orbit ; snout thick 

 and obtuse; teeth in a villiform band in both jaws, with an outer series 

 of conical teeth; prcopercle serrate strongly on angle; a posterior notch 

 in opercle between 2 obtuse and feeble points; soft dorsal about as high 

 as spinous; second anal spine long and strong; caudal emarginate. Color 

 dusky-grayish, with four irregular crossbands, which grow faint with 

 age; scales silvery with purple reflections; membrane between the scales 

 brown; fins blackish. Pacific coast of Central America; a small, plaiu- 

 colored species, rather common about Panama. (Named for Pacific Ocean.) 



Conodon pacifici, Gunther, Proc. Zool. Soc. London 1864, 147, Chiapas. 

 Pomadasis pacifiei, Jordan & Gilbert, Proc. U. S. Nat. Mus. 1881,385. 

 Aniiotremug parifici, a aRV>kT<( & Fesler, 2. c.,484. 



1«S2. ANISOTREMUS CiESIUS (Jordan & Gilbert). 



Head 3i; depth 2^; eye Si; snout about 3; maxillary 3^. D. XII, 16; 

 A. Ill, 9 ; scales 6-52-13. Body ovate, compressed, the back rather strongly 

 arched ; anterior profile rather steep and straightish, gibbous between eyes 



