370 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



h. Lips plicate ; dorsal fiu anteriorly twiated over to the bliud 



side .,. Pleuroxichtiiys. 



/(/(. Lips simple : dorsal tin ;iuteriorly on the dorsal ridge. 



Hypsopsetta. 

 gg. Teeth blunt, usually compressed, in one series, forming a cutting 

 edge. 

 i. Body dextral. 

 j. Lateral line ^vitll a recurrent dorsal branch. 



A. Lateral hnc nearly straight; scales cycloid, those on 



the cheeks similar Paropiirys. 



Ik. Lateral line arched in front ; scales ctenoid ; those on 

 the cheeks stellate or tiiberculate. 



Lepidopsetta. 

 jj. Lateral line simple. 



7. Lateral line arched in front; scales ctenoid.. Lim^vxda. 

 II. Lateral line nearly straight. 

 m. Dorsal rays less than 80. 



n. Scales ctenoid, closely imbricated. 



PSEUDOPLEUEOXECTES. 



vn. Scales small, smooth or rough, scarcely imbri- 

 cated Pleuroxectes. 



mm. Dorsal rays more than 100; body elongate; scales 



smooth Glyptocephalus. 



a. Body sinistral, covered Avith scattered stellated tubercles; 



lateral line nearly straight Pi..\tichthys. 



** Pectoral lius ■wanting (in our siiecies) ; mouth t^o-isted toward the colored side. 



(SOLEID/E.) 



0. Vertical fins free from the rounded caudal; l)()dy 



dextral ; ventral of the colored side cou- 



tinuous with the anal. (SolciiKV.) 



p. Scales very rough; lateral line straight; teeth 



villiform, on bliud side only AcHiRl's. 



00. Vertical fins confluent around the pointed tail; 

 body sinistral; ventrals free from the anal. 

 (Phigusiina:) 

 q. No lateral line; teeth minute, on bliud side 

 only; ventral fin of blind side only present; 

 lips not fringed; snout not hooked; scales 

 ctenoid Apiioristia. 



15. Pseudorhombus ocellaris (DeKay) Lyman. — Flouniler. 



{CkmnopseUa ocellaris Gill, 1. c.) 

 Very common. 



16. Pseudorhombus deutatus (L.) Jor. & Gilb. 

 Tolerably abiiudaut (Cones and Yarrow). 



17. Pseudorhombus quadrocellatus (Gill) Jor. & Gilb. 



Browiiisli olive, with four large ocellated spots, round or elliptic;;] in 

 shape ; the first above the arch of the lateral line ; the three posterior 

 lorming an isosceles triangle ; the posterior one in the apex on the lateral 

 line ; body oval, compressed and much elevated, highest at middle of 

 body; profile with an abrni)t angle at anterior margin of orbit; lower 



