1122 Bulletin 4J, United States JVational Museum. 



depth of body, 1? 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 »fe Bocourt.) Not seen by us. Recorded by Steindachner from 

 Bahia. 



Centro^wmm mexicanus, BocouET, Ann. Sc. Nat. Paris, 1868, 90, Gulf of Mexico; Vaillant & 

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



1622. CENTROPOMUS PARALLELIS, Poey. 



Head 2^; depth 3S ; 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, Peruambuco, and Bahia. 

 {napuAATjAoc;, 2)arallelus, parallel, the form being "slab-sided.") 

 Cenlropoimis jtaralleluK, Poet, Memorias, ii, 120, 1860, Havana and Cienfuegos ; Guntheu, 

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



1523. CENTROPOMl'S PECTINATUS, Poey. 



Head 2^; depth 3|; 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 tliird dorsal spine longest. 

 If in head; second anal spine as long as depth of body, l^in 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.) 



CerUropomvs i)ectinalus, Poey, Memorias, ii, 122, 1860, Havana and Cienfuegos; Boulenger, 

 Cat., I, 368. 



1524. CENTROPOMUS UNIONENSIS, Bocourt. 



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

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



i 



