2698 Bulletin ^y, United States Natio7ial ]\hiscnm. 



coloration is subject to very great variations — as great as in Jchirusfaaci- 

 atiis. In some of these tlie caudal is dark and immaculate, in others pale 

 and usually profusely spotted. In some the ground color is nearly plain 

 blackish, in others it is pale, usually Avitli narrow dark cross bands, biit 

 sometimes closely spotted everywhere. The specimens examined by us 

 are from Pensacola and Egmout Key (hracliialis), Key West (comifer), 

 Cieufuegos (Cuba, Poey), Coary, Teffy, Tapajos, Porto Alegre, Pernam- 

 buco, Cannarivieras, Mauacapuru, Porto do Moz, Rio Grande do Sul, Eio 

 Janeiro, San Matbeo, Rosario, Itabapuana, Obidos, Xingu, Gurupa, 

 Jutaby, Curasao, Para, Bahia, Santarem, I^a, Fonteboa, San Paolo, Rio 

 Trompetas, Sambaia, Manes, Javary, and Tal>atinga. The sjiecies Avould 

 appear to be one of the commonest in Brazil, (lineahis, striped.) 



a. Var. lineatus. 



Passer lineis transvertis notatus, Sloane, Jamaica, 2, 77, pi. 246, fig. 2, 1725, Jamaica. 

 rieuronectesfuscussubrotundusglaher, Browne, Jamaica, 445, 3756, Jamaica. 

 Pleuronectes lineatus, LlNN.i;us, Syst. Nat., Ed. X, 268, 1758, Jamaica; based on BrowS'e and 



Sloane; not of Ed. xn, wbich is Achints fasciatus. 

 Monochir maculipinnis, Agassiz, Spix, Pise. Brasil., 88, pi. 49, 1829, Brazil ; Poey, Synopsis, 



409, 1868. 

 Monochir lineatus, QcOY & Gaimaed, Voy. Uranie, Zool., 238, 1824. 

 Achirus lineatus, D"Orbigny, Voyage Am6r. M(5rid., Poiss., pi. 16, fig. 2, 1847; Jordan <fe 



Gcss, Eeview Flounders and Soles, 312, 1889. 

 Solea maculvpinnis, Gunther, Cat., iv, 473, 1862 ; Kner, Novara Fische, ni, 289, 1866. 

 Achirus maculipinnis, Jordan, Proc. U. S. Nat. Mus. 1886, 602. 



h. Var. brachialis. 



Saiostoma brachialis, Bean, Proc. U. S. Nat. Mus. 1882, 413, Appalachicola Bay and South 



Florida. (Types, Nos. 26605 and 30463. Coll. Silas Stearns.) 

 Bwostoma hrachiale, Jordan &. Gilbert, Synopsis, 965, 1883. 

 Achirus brachialis, Jordan, Proc. U. S. Nat. Mus. 1884, 149. 



c. Var. comifer. 



Achirus comifer, Jordan >t Gilbert, Proc. U. S. Nat. Mus. 1884, 31, Key West. (Coll. 

 Dr. Jordan. ) 



3069. ACHIRUS MAZATLANCS (Steindacbnor). 

 (Mexican Sole; Lenguado de Rio; Teipalcate.) 



Head 3i in body ; depth U. D. 56; A. 42; scales 70; eye 7. Un head; dor- 

 sal and anal rays 3i in depth of body; caudal 3. Body l)road, oval; eyes 

 small, the upper in advance of the lower; interorbital about \ the diame- 

 ter of eye; nostril in a tube, placed just above middle of mouth; pectoral 

 developed on eyed side only, with about 4 rays ; origin of dorsal on tip of 

 snout; greatest height of dorsal and anal behind their middle; scales of 

 right side with numerous black hair-like appendages. Color brownish, 

 with 8 or 9 narrow vertical black bars; fins dark, without distinct mark- 

 ings. AVest coast of Mexico, entering all streams; common and varialtle. 

 Many specimens from Mazatlan and Rio Presidio examined by us, as also 

 a specimen from Chiapas. (Name from Mazatlan,* the river of the deer.) 



* "With eternal sun above thee, 



'T is not strange the tall deer loved thee, 

 That he gave his name, Mazatl, 

 To thy river, Mazatlan!" 



