272, REPORT OF NEW JERSEY STATE MUSEUM. 
Genus PALINURICHTHYS 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 CORYPHANIDE. 
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- 
branchiz. Branchiostegals 7. No air-vessel. Pyloric appen- 
