526 MEMOIRS OF THE CARNEGIE MUSEUM 



an. Gill-openings small, narrow slits on the sidos of the iipad; snout proiluccd into a jicndant rcarhing the origin 

 of the vcntrals; scales well-developed. 



b. Both ventials well-developed Achiropsis. 



66. Left ventral reduced to one or two minute rays near the anus; eyes rudimentary, the space between 



them about five times the diameter Apionichthys. 



666. Left ventral absent; eyes well-developed, the space between them about eciual to the diameter. 



Soleonasus. 



AcHiRus Lacepede. 

 Achirus Lacepede, Hist. Nat. Poiss., IV, 1803, 059 {fasciatus, etc.). — Cuvier, 



Regne Animal, ed. 2, 11, 1829, 343 (restricted to fnsdatus, etc.). 

 Trinectes Rafinesque, Atlantic Journal and Friend of Knowledge, I, 1832, — 



(scabra) . 

 Grammichthys Kaup, Archiv fiir Naturg., XXIV, 1858, 94 (lineatus a.nd fasciatus; 



Achirus restricted to Pardachirus barbatus, etc.). 

 Monochirus Kaup, Archiv fiir Naturg., XXIV, 1858, 94 (maculipinnis), not of 



Rafinesque, 1814, a genus of Soleimv. 

 ? Aseraggodes Kaup, Archiv fiir Naturg., XXIV, 1858, 103 (guttulata). 

 Baiostoma Bean, Proc. U. 8. Nat. Mus., V, 1882, 413 {brachiale). 

 Barostoma Jordan and Gilbert, Synopsis Fishes N. Am., 1883, 965 (emended 



orthography). 



Jaws equal; vcntrals nearlj^ equally developed, not continuous with the anal, 

 their origin remote from the chin; scales ctenoid, a margin about the blind side 

 of the head with profuse fringes; lateral line straight. 



359. Achirus lineatus (Linnteus). 

 "Passer lineis tranversis notatus" Sloane, Jamaica, II, 1725, 277, pi. 246, fig. 2 



(Jamaica). 

 " Pleuronectes fuscus subrotundus glaber" Browne, Jamaica, 1756, 445 (Jamaica). 

 Pleuronectes lineatus Linn^us, Syst. Nat., ed. 10, I, 1758, 268 (Jamaica), based on 



Browne and Sloane; not of ed. 12, which is Achirus fasciatus. 

 Monochir lineatus Quoy and Gaimard, Voy. Uranie et Physicienne, Zool., 1824, 238. 

 Achirus lineatus Valenciennes, in d'Orbigny, Voy. Am. Mer., V, ii, 1847, pi. 16, 



fig. 2.— Jordan and Goss, Ann. Rept. U. S. Fish Com. for 1886, 1889, 312.— 



Jordan and Evermann, Bull. U. S. Nat. Mus. No. 47, III, 1898, 2697 (Coary; 



TefTe; Tapajos; Porto Alegre; Pernambuco; Cannavierias ; Manacapurii; 



Porto do Moz; Rio Grande do Sul; Rio Janeiro; San Matheo; Rosario; 



Itabapuana; Obidos; Xingu; Gurupa; Jutahy; Curasao; Para; Bahia; San- 



tarem; Iga; Fonteboa; San Paolo; Rio Trombetas; Sambaia; Maues; 



