Jordan and Evcnuanii. — Fishes of North America. 1415 



caudal fin subtruncate ; pectoral fius niodtrate, 2 in head ; caudal weakly 

 double truncate. Coast of Brazil and Guiaua, probably not rare. Here 

 described from specimens from Rio .Janeiro, Porto Alegre, Bahia, and 

 Santos. {Xaloi, smooth;* apx6<i, anus.) 



OtoUthusleiarchun, Cuvieb & Valenciennes, Hist. Nat. Poiss., v, 78, 1830, Brazil; Cayenne; 



GiJNTHEE, Cat., u, 308, 1800; Jordan, Proc. U. S. Nat. Mus. 1886, 540; note on type of 



CuviER & Valenciennes. 

 Centrcus leiarcMis, Jordan & Kiuenmann, I. c, 371, 188'J. 



1792. (^YXOSCION V1RES0E>'S (Cuvier A: Viileiuiennes). 



Head 3i; depth 5 to 5*. D. X-I, 28; A. II, 8; scales 80 (pores), 12.5 to 

 130 cross series. Body long and low, spindle-shaped, the head slender, 

 subtruncate, depressed above, formed much as in Bach i/ centra ii canadnm; 

 profile from snout to dorsal Aveakly concave; snout lung, rather pointed, 

 4 in head; mouth large, little oblique, the lower jaw strongly projecting 

 the maxillary 2| in head; canine teeth 2, short and thick; lateral teeth 

 moderate, close-set; eye small, 8^ in head; iuterorbital space flatfish, 4f 

 in head; gill rakers short and thickish, 8 below angle of arch, the longest 

 i eye; scales on head very small and silvery; soft dorsal wholly naked, 

 a few scales on anal; caudal S-shaped, the middle rayshmgest; pectoral 

 rather long, It in head. Color plain greenish, silvery below; gill cavity 

 dusky within. Coasts of (iuiana and Brazil, rather scarce. Here described 

 from a specimen 18 inches long from Victoria, Brazil, (vircscens, growing 

 green.) 



Otolithus virescens, Ouvier & Valenciennes, Hist. Nat. Poiss., v, 72, 1830, Surinam. 

 Otolithtig microps, Steindachner, Neiie Fisch-Arten k. k. Museen Wien, Stuttgart und 

 Warscliau, 38, pi. 8, fig. 2, 1879, Porto Alegre, Brazil. 



1793. CYXOSCIOX MICKOLKPIDOTUS (Cuvier i Valenciennes). 



Heads?; depth i^; snout 4 in head; eye large, 4f; interorbital space 

 5^ in head. D. XI-I, 2.3; A, II, 9; scales 70 (pores), 1.55 to 160 in a longi- 

 tudinal series. Body moderately elongate, covered with very small scales; 

 soft doi'sal and anal closely scaly throughout; maxillary extending be- 

 yond eye; lower jaw projecting; teeth moderate; canines rather strong; 

 lateral teeth of lower jaw not caTiine-like ; gill rakers not described, prob- 

 ably as in virescens. Dorsal spine slender, the longest 2i in head ; iiecto- 

 ral slightly longer than ventral, which is slightly more than I heatl ; 

 caudal fin S-shaped; lateral line becoming straight above anal. Colora- 

 tion plain greenish, silvery below. Coast of Brazil and Guiana, not com- 

 mon. (Steindachner.) (/nixpoi, small; AeTtidooroi, scaled.) 



Otolithus microlepidotvs, Cuvier & Valenciennes, Hist. Nat. Poiss., v, 79, 18:10, Suri- 

 nam; GiJNTHER, Cat., II, 311; STEINDACHNER, Neuo und Seltene Fische k. k. Zool. 

 Mus. Wien, 39, 1879. 



Oestreus mierolepidotus, Jordan &l Eigenmann, I. c, 371. 



*In the dried skin of the type, a young example in the museum at Paris, the absence of 

 the anal sjtine ("leiarchus") is due to its being covered by varnish. 



