66 REPORT OF COMMISSIONERS OF INLAND FISHERIES. 



rows of small sharp teeth; teeth on jaws, acute; eyes not minute; 

 pectorals and ventrals well developed; ventral fins dissimilar in 

 form and position, that of the left side inserted on the ridge of the 

 abdomen, its base extended along this ridge, its rays more or less 

 wide apart; vertebrae in moderate or small number, 31 to 45. Body 

 sinistral. Species chiefly tropical or subtropical. 



LOPHOPSETTA. 



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

 compressed, pellucid; mouth large, oblique, the maxillary reaching 

 to beyond eye; teeth sul)equal, in narrow bands, or in single series; 

 a small patch of teeth on the vomer. Scales small, cycloid, imbricate, 

 the skin without bony tubercles. Lateral line strongly arched in 

 front, without accessory branch. Dorsal fin beginning on the snout, 

 its anterior rays exserted; anal fin not preceded by a spine; ventral 

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

 its base broad, the rays well separated; pectoral and ventral fins 

 moderate. Nearly related to the European genus Bothus, and to 

 the European Turbot, Psetta. 



7. Lophopsetta maculata. The Window Pane or the Sand Dab. 



Head 3^ in length; depth 1 3-5. D. 65; A. 52; Scales 85. Body 

 broadly rhomboid, strongly compressed, translucent in life; mouth 

 large, the maxillary reaching nearly to posterior margin of eye, maxil- 

 lary of eyed side with a bony tubercle on its anterior end; jaws sub- 

 equal, the lower with a sharp knol) at symphysis; teeth in each jaw 

 in one series laterally, in a very narrow band in front; interorbital 

 space rather broad, slightly concave, its posterior third or fourth with 

 scales; gill rakers short and slender, about 8 -|- 25; maxillary, 

 mandibles, snout, and the greater part of interorbital naked; scales 

 on head and body cycloid, loosely imbricated, those on the blind 

 side a little smaller. Anterior rays of dorsal produced, their ends 

 branched and free, the first on tip of snout, the rays at the beginning 



