272 REPORT OF NEW JERSEY STATE MUSEUM. 



Genus Pai^inurichThys Bleeker. 



The Black Rudder Fishes. 



Palinurichthys perciformis (Mitchill). 



Black Rudder Fish. 



Known principally by the short stout subequal dorsal spines, 

 shorter than soft rays, scarcely connected by membrane. Pre- 

 opercle, interopercle and subopercle finely serrate. 



Black Rudder Fish. Palinurichthys perciformis (Mitchill). 



Known only from Dr. Smith's record. I have, however, reports 

 of several fishermen that a fish which may possibly be this species 

 has been seen off Stone Harbor. 



Leirus perciformis Smith, Bull. U. S. F. Com., XII, 1892, p. 



374. 



Family CORYPHiENID.ffi. 



The Dolphins. 



Body elongate, compressed. Cleft of mouth wide, oblique, 

 mandible projecting. Cardiform teeth in jaws and on vomer 

 and palatines. Patch of villiform teeth on tongue. Opercular 

 bones entire. Gill-membranes free from isthmus. No pseudo- 

 branchiae. Branchiostegals 7. No air-vessel. Pyloric appen- 



