334 Annals of the Carnegie Museum. 



Family PTERACLID^. 



Genus Bentenia Jordan & Snyder. 



1. Bentenia crsticola Jordan & Snyder; Japan Current. 



2. Bentenia papilio (Lowe); off Madeira. 



Genus Pteraclis Gronow. 



1. Pteraclis trichiptenis (Cuv. & Val.); South Seas (?). 



2. Pteraclis carolinus (Cuv. & Val.); Gulf Stream. 



3. Pteraclis velifera (Pallas); Indian Ocean. 



4. Pteraclis ocellatiis (Cuv. & Val.); off Mozambique. 



Genus Centropholis Hilgendorf 



1. Centropholis petcrsi Hilgendorf; Japan Current. 



2. Centropholis goodei Jordan; Gulf Stream. 



Genus Pterycombus Fries. 

 7. Pterycombus brama Fries; Arctic seas of Europe. 



Family ELEPHENORID.E. 

 Genus Elephenor Jordan. 

 7. Elephenor mucropus (Bcllotti) ; Japan Current. 



Family DIANID.E. 

 Genus Diana Risso. 

 7. Diana seniilnnata Risso; South Coast of France. 



Family CARISTIID.^E. 

 Genus Caristius Gill & Smith. 

 7. Caristius japoniciis Gill & Smith; Shikoku, Japan. 



Genus Platybervx Zugmayer 

 7. Platyberyx opalesccns Zugmayer; off Gibraltar. 



