79 



XII— PLEURONECTIDE. 



PSEUDOPLEURONECTES, Bl'kr. 



P. americanus, 



The Common Flounder.-The New York Flat- 



Fish. 



Elliptical, flat. Scales small and of nearly equal size 

 throughout. Just hefore the anal fin is a sharp horizontal 

 spine; lateral line makes a slight curve above the pectoral 

 fin; eyes and colored surface on the right; color very varia- 

 ble, usually pale greenish, -with small brownish, irregular 

 clouds or patches over the body and fins; beneath pearly 

 white. Length, 6 to 18 inches. 



Fin-rays:— D. 67; P. 10; V. 6; A. 46; C. 17. 

 Pleuronecfes americanus, Walb. Art. Ill, p. 113. 



— plana, Mitch, in Phil. & Lit, Trans. New York, I, p. 

 387. 



Flatessa 2^lana, Storer. Fishes, Massach. p. 140; DeKay, 

 New York Faun. Fishes, p. 295; pi. 48; fig. 154; pi. 49; 

 fig. pi. 49. 



— pusilla, Delvay, 1. c. p. 29C; pi. 47; fig. 163. 



Occasionally seen in our market, but never in large num- 

 bers. -It comes from the southern part of Chesapeake Bay. 

 Also, in the Potomac River on the coast of St. Mary's county. 



Agad. Coll. 



MY^ZOPSENTTA, Gill 



M. ferruginea, 



The Rusty Fiat-Fish. 



Elliptical, flat. Scales cover the opercular plates, and are 

 smaller towards the abdomen and tail. Lateral line curves 

 suddenly over the pectoral fin, and runs thence in a straight 

 line. Head and body greenish, with numerous irregular 

 rust-colored spots not extending over the fins. Four or five 

 obscure, rounded spots along the dorsal and abdominal outr- 

 line. Length, 12 to 20 inches. 



Fin-rays;— D. 81; P. 10; V. 6; A. 59; C. 14. 



Platessa ferruginea, Storer, Fishes, Massach. p. 141; pi. 2- 

 DeKay, New York Fauna, Fishes, p. 297; pi. 48; fig. j,o5. 



Pleuroncctes ferrvAfineus , Guenth, IV, p. 447. 



©••asional in the southern part ( f Chesapeake Bav. 



