122. PLEURONECTID^— BOTHUS. 815 



jjj. Teeth none; eyes sinistral ; caudal fin subsessilo; body translu- 



ceut TiiYRis, 462. 



aa. Pectoral tins one or both reduced or wanting; margin of preopercle usually not free. 

 0. Vertical fins free from the caudal. 

 p. Eyes sinistral; caudal subsessiU;; left pectoral only 

 present; lateral line present, arched on eyed side, 



straight on blind side Moxolkne, 463. 



pp. Eyes dextral; ventral of right side continuous with 

 anal; pectoral fin single small, or wanting; scales 

 very rough ; lateral line single,straight ; teeth villi- 



form, on blind side only Achirus, 464. 



00. Vertical fins confluent around the pointed tail; body 

 sinistral ; no pectoral fins ; one ventral present ; eyes 

 very small. 

 q. No lateral line ; ventral free from anal ; teeth 

 minute, on blind, side only; snout not hooked; 

 scales cteuoid Aphoristia, 465. 



449.— BOTHUS Eafinesque. 



Turhots. 



(7?/iojh6m8 Cuvier, not of Lac^jiede : Lepidorh omhiis Gthv. : ScajjliihalitDisJiat.: Lophop- 



seiia Gill.) 



(Rafiuesque, Caratteri di Alcuni Nuovi Generi, 1810, 23: type Bothus rumolo Raf. = 

 Fleuronecles rhombun L. ) 



Eyes and color on the left side. Body broadly ovate, strongly com- 

 l)ressed; mouth large, oblique, the maxillary reaching to beyond eye; 

 teeth subequal, iu villiform or cardiform bands, sometimes in single 

 series; a small patch of teeth on the vomer. Scales small, ctenoid or 

 cycloid, sometimes obsolete; skin sometimes with bony tubercles. Lat- 

 eral line strongly arched in front, without accessory branch. Dorsal 

 fin beginning on the snout; annl fm not preceded by a 8i)ine; ventral 

 of left side free from the anal, inserted nearly on the ridge of the ab- 

 domen, its base broad, the rays well sei)ara^ed. Species sometimes of 

 large size, mostly. of the Atlantic. [fioOo-, deep.) 



a. Scales developed, cycloid; no bony tubercles. {Bothus.*) 



1255. B. inaculatlis (Mitch.) ,J. &, G. — Sand-flounder ; Window-pane. 



Light olive brown, almost tranvslucent, everywhere marbled with 

 paler, and with many roundish irregular blackish blotches; fins spot- 

 ted. Body broadly rhomboid, very strongly compressed; interorbital 

 area flatfish; eye rather large, about equal to snont ; teeth in both 

 jaws in one series laterally, in a very narrow band in front; maxillary 

 nearly half length of head. Gill-rakers rather long and slender, nu- 

 merous, about 25 below the angle of the arch. Scales well developed, 



* = Lopliopsetta GiW, Proc. Acad. Nat. Sci. Phila. 1862, 216: type Pleuronectea viacu- 

 Jatus Mitcbill. 



