1122 Bulletin 47, United States National Museum. 



depth of body, If in head. Air bladder simple. Color olivaceous, 

 whitish below, lateral line blackish ; ventrals not black. Length 7 inches . 

 Coasts of Mexico ; recorded from the Coast of the Gulf of Mexico ; also 

 reported from the State of Oaxaca ; the exact locality not known. ( Vail- 

 lant & Bocourt.) Not seen by us. Recorded by Steindachner from 

 Bahia. 



Centropomus mexicanus, BOCOURT, Ann. Sc. Nat. Paris, 1868, 90, Gulf of Mexico; VAILLANT & 

 BOCOURT, Miss. Sci. Mex., 23, 1875, with plate. 



1522. CENTROPOMUS PABALLELUS, Poey. 



Head 2; depth 3f ; eye small, 5. D. VIII-I, 10 ; A. Ill, 6? scales 85 to 

 90. Body moderately elongate, compressed so that the two sides of the 

 body are parallel ; an angle at front of anal. Mouth small ; maxillary 

 not quite reaching middle of eye. Subopercular flap reaching front of 

 dorsal. Dorsal spines feeble, the longest 2 in head. Lateral line not 

 black ; 12 scales between second dorsal and lateral line. Serrations of 

 preopercle directed slightly upward ; 2 or 3 much stronger spines at the 

 angle ; suborbital toothed. Length of second anal spine equal to depth 

 of body ; third spine much shorter and very slender. Air bladder simple. 

 Greenish above, sides silvery, with bright reflections ; faint pale streaks 

 along the rows of scales ; ventrals and anal tipped with orange brown. 

 A small species, rarely more than a foot long, found on the coasts of Cuba, 

 entering lakes and streams. (Poey.) Also recorded from San Domingo, 

 Jamaica, Barbados, and Rio Chagres, Guiana, Pernambuco, and Bahia. 

 (TropaAA^of, parallelus, parallel, the form being " slab-sided.") 

 Centropomus parallelus, POEY, Memorias, u, 120, 1860, Havana and Cienfuegos ; GUNTHER, 

 Fishes Central Amer., 407, 1869; BOULENGER, Cat., i, 369. 



1523. CENTROPOMUS PECTINATUS, Poey. 



Head 2|; depth 3f; eye 6. D. VIII-I, 10; A. Ill, 7; scales 68. Body 

 moderately elongate, compressed, with an angle at front of anal. Mouth 

 small. Maxillary reaching anterior third of eye ; angle of preopercle 

 with about 6 long spines, slender and close-set, like the teeth of a comb ; 

 preorbital sharply serrate behind ; second or third dorsal spine longest, 

 If in head; second anal spine as long as depth of body, liin head ; third 

 slightly longer, but very slender. Air bladder simple. Plumbeous above, 

 sides and belly white ; center of each scale bluish, thus forming faint 

 lines; fins greenish; lower lobe of caudal yellow. A small species 

 (Poey; Boulenger), rarely more than a foot long, found on the coasts of 

 Cuba, entering the lakes and rivers. Also recorded by Boulenger from 

 San Domingo and Pernambuco. (pectinatus, comb-toothed.) 



Centropomus pectinatus, POET, Memorias, n, 122, 1860, Havana and Cienfuegos; BOULENGER, 

 Cat., i, 368. 



1524. CENTROPOMUS UNIONENSIS, Bocourt. 



Head 2f; depth 3i; eye small, 6. D. VIII-I, 9; A. 111,6; scales 

 8-49-12. Body robust, back steeply elevated ; base of anal angulated. 



