2700 Bulletin 4.7, United States National Museum. 



and poorly defined; blind side reddish yellow. Total length about 10 cm. 

 Rio Mamone, near Panama; known to us only from Steindachner's de- 

 scription and figure. (Steindachner.) Not seen by us. (Named for W. 

 Fischer.) 

 Solea figcheri, STEINDACHNER, Beitrage Kenntnisa Fluss-Fische Sudamer., 1, 13, 1879, Rio 



Mamone, near Panama. 

 Achiris fischeri, JORDAN, Proc. Ac. Nat. Sci. Phila. 1887, 391. 



3072. ACHIRUS SCUTUM (Giinther). 



Head 3 ; depth 1|. D. 55 ; A. 48 ; P. 3 ; scales 80. No trace of a pectoral 

 on left side ; right pectoral quite rudimentary, scarcely longer than the 

 eye; right ventral composed of 5 rays, which are continuous with anal. 

 Scales on nape nearly twice as large as those on the body ; snout with 

 scarcely any fringes on the blind side, right lower lip fringed. Width of 

 interorbital space less than horizontal diameter of orbit; upper eye 

 slightly in advance of lower. Longest dorsal rays in posterior third of 

 fin, length of head; caudal rounded, longer than head. Grayish; head, 

 body, and fins with numerous blackish, irregular, waving, sometimes 

 bifurcate, transverse bands, which are broader than the interspaces ; cau- 

 dal with rounded deep black spots; the left side uniform white. Pacific 

 coast of Central America. (Giinther.) Not seen by us. (scutum, a shield.) 



Solea scutum, GUNTHER, Cat., iv, 474, 1862, Gulf of Fonseca, Panama. 

 Achirug scutum, JORDAN <fc Goss, Review Flounders and Soles, 314, 1889. 



Subgenus ACHIRUS. 

 3073. ACHIRUS FIMBRIATUS (Giinther). 



Head 3; depth 1|. D. 46; A. 33; scales 70. Pectorals none ; right ven- 

 tral of 5 rays, which are continuous with the anal. Scales on nape 4 

 times, those on the chin twice, as large as on the body. Upper part of the 

 snout slightly bent downward over the mandible and forming a short 

 hook; right lower lip broadly fringed, each fringe being serrated; nostril 

 in a short, wide, fringed tube. No tentacles on left side of head. Width 

 of interorbital space equaling diameter of circular small orbit; upper 

 eye slightly in advance of lower. Longest dorsal rays | of length of 

 head; rays of vertical fins branched; caudal rounded, its length being 

 of the total. Brown; head and body with numerous large, rounded, or 

 kidney-shaped white spots, edged with dark brown. Gulf of Fonsoca, 

 Central America. (Giinther.) Known from 1 specimen, 3^ inches long. 

 (fimbriatus, fringed.) 



Solea fimbriata, GUNTHER, Cat., iv, 477, 1862, Gulf of Fonseca. (Coll. Sir John Richardson.) 

 Achirus fimbriatui, JORDAN & Goss, Review Flounders and Soles, 315, 1889. 



3074. ACHIRUS FASCIATUS, Lac6pede. 

 (AMERICAN SOLE ; Hoo CHOKER.) 



Head 4 in body ; depth li. D. 50 to 55 ; A. 37 to 46 ; scales 66 to 75 ; eye 

 7 in head; height of dorsal and anal nearly 2; caudal 1. Body broad, 

 regularly elliptical; mouth moderate, reaching just past front of lower 



