1538 Bulletin ^j, United States National Museum. 



small l)lue spots; sometimes a black spot on middle of spinous dorsal, 

 with another one below it on back; a black blotch at base of caudal. 

 Rivers of southwestern Texas and northeastern Mexico; chiefly confined 

 to the basin of the Rio Grande; the only species of CichUdw entering the 

 United States, (xvavsoi, cyaneus, blue; gitttatus, spotted.) 



Berichthys cyanoguttatus, Baied & Gieakd, Proc. Ac. Nat. Sci. Pliila., vii, 1854, 25, 

 Rio Grande, Brownsville, Texas (Type, No. 851. Coll.Jolin H. Clark); Baird & 

 GlRARD, V. S. ami Mcx. Bound. Surv., Zool., 30, pi. 4, figs. 9-12, 1859. 



Heros cyannguttatas, GuNTHER, Cat. Fishes, IV, 290, 1862; Jordan & Gilbert, Synopsis, 

 608, 1883. 



194.1. HEROS PAVO\A( KlIS, Gann.in. 



Head 2|; depth 2|. D. XVI, 12; A. V, 8; scales 4-32-12. Head as deep 

 as long ; eye large, wider than preorbital, its front behind tip of maxil- 

 lary; 5 rows of scales on cheek; lower lii) not described; fifth dorsal 

 spine highest ; soft dorsal and anal reaching caudal; pectorals to vent. 

 Dark brown, flecked with pale; 4 to 7 ocellated, vertically expanded 

 black spots on side 1)elow dorsal fin; an ocellated black spot on base of 

 tail above lateral line; side with 10 or 12 faint dark cross bands. Mon- 

 clova, Coahuila, Mexico. (Garman). {paronacens, like a peacock.) 



Heros pavonaccus, Garman, Bull. Mus. Comp. Zool., vni, 93, 1881, Spring near Monclova 

 in Coahuila, Mexico; Jordan & Gilbert, Synopsis, 939, 1883. 



1946. HEROS ALTIFRONS, Kner & Steiudachner. 



Head 2* ; de]>th 2^. D. XVI, 11 ; A. V, 8 or 9. Snout rather high, width 

 of preorbital more than that of orbit. Jaws equal in length. Eye con- 

 siderably nearer to end of operculum than to that of snout. Dorsal spines 

 of moderate length and strength. Lower lip dilated into a lobe on each 

 side, which is broadest behind. Scales on cheek in 4 or 5 series. Body 

 with 4 or 5 dark vertical bands,* each band with a darker blotch ; scat- 

 tered pearl-coh)red dots all over body; a dark spot on middle of root of 

 caudal fin. Isthmus of Panama and southward. (Kner &. Steiudachner.) 

 {alius, high; frons, forehead.) 



Reros altifrons, Kneb & Steindachner, Sitzgeber. bayer. Akad., 223, 1863, New Granada ; 

 Abhandl. bayer. Akad., x, 11, taf. 2, fig. 1 ; Gunther, Fiab. Centr. Am., 459, 1869. 



1947. HEROS BEANI, Jordan. 



(Mojarra Verde.) 



Head 3 ; depth 2\. D. XVI, 11 ; A. V, 8 ; scales 4.V-30-12. Body oblong, 

 compressed, the back moderately elevated ; profile gibbous at nape, de- 

 pressed and concave above eyes, thence straight to tip of snout, which is 

 short and rather sharp; snout 3 in head; eye small, 4i in head, 1^ in the 

 slightly concave interorbital space; lower lip moderate, its fold contin- 

 uous, without freuum; teeth moderate, maxillary short, 3^ in head; lower 

 jaw slightly projecting; preorbital, 4| in head; 6 rows of scales on cheek; 

 edge of preopercle obliq ae, straight, entire ; gill rakers very short, thick- 



Kner & Steindachner describe them as " tcenice" instead of ''/aseice." (Giinther.) 



