eigenmann: the FRESHWATER FISHES OF BRITISH GUIANA 527 



Javary; Tabatinga). — Eigenmann, Proc. Wash. Acad. Sci., VIII, 1907, 456 



(Buenos Aires) ; Repts. Princeton Univ. Exp. Patagonia, III, 1910, 483. 

 Monochir maculipinnis Agassiz, Selecta Gen. et Spec. Pise. Bras., 1829, 88, pi. 49 



(Brazil). — Poey, Repert. Fis.-Nat. Cuba, II, 1868, 409. 

 Solea maculipinnis Gunther, Catalogue, IV, 1862, 473. — Kner, Reise Novara, 



Fische, III, 1866, 289. 

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



Four specimens, 62-90 mm. Rockstone. (C. M. Cat. No. 2413a-6; I. U. 

 Cat. No. 12545.) 



Two specimens, 158-163 mm. Tumatumari. (C. M. Cat. No. 2414a; I. U. 

 Cat, No. 12546.) 



Twenty-seven specimens, 35-230 mm. Georgetown market. (C. M. Cat. 

 No. 2415a-<y; I. U. Cat. No. 12547.) 



One specimen, 28 mm. Georgetown trenches. (C. M. Cat, No. 2453.) 



Head 3.5-4; depth 1.5-1.9; D. 53-56; A. 40; lateral line 70; eye 7 in the 

 head; depth of caudal peduncle 1.2 in the head. 



Pectorals of the right side much longer than the eye, but none on the left side; 

 body gray, with six to eight black vertical lines; fins colored like the body, the 

 caudal sometimes all or partly white. Fins spotted in the young. 



Apionichthys Kaup. 

 Apionichthys Kaup, Archiv fur Naturg., XXIV, 1858, 114 (dumerili). 

 Soleotalpa Gunther, Catalogue, IV, 1862, 489 (unicolor). 



Right ventral beginning at the chin, confluent with but readily distinguishable 

 from the anal; right lower lip fringed; eyes minute. 



360. Apionichthys unicolor Gunther. (Plate LXX, fig. 1.) 



Apionichthys dumerili Kaup, Archiv fur Naturg., XXIV, 1858, 104 (no locality).— 

 Bleeker, Nederl. Tijdschr. Dierk., II, 1865, 305. — Steindachner, "Ichthyo- 

 logische Beitrage," viii, 1878, 48. 



Soleotalpa unicolor Gunther, Catalogue, IV, 1862, 489 (West Indies). 



Apionichthys unicolor Jordan, Proc. U. S. Nat. Mus., IX, 1886, 603. 



Apionichthys nebidosus Peters, MB. Akad. Wiss. Berlin, 1869, 709 (Surinam). 



? Apionichthys bleekeri Horst, Nederl. Tijdschr. Dierk., IV, 1878,30 (locality un- 

 known). 

 Two specimens, 71-85 mm. Georgetown market. (C. M. Cat, No. 2412a; 



I. U. Cat. No. 12548.) 



