6 MEMOIRS OF THE CARNEGIE MUSEUM. 



Family X. MOBULID.E (Devil-rays). 



MoBULA Rafinesque. 



(Cephalopterus Dumeril, name preoccupied.) 



21. Mobula japonica (Mliller and Henle). (J. & E., p. 50.) 



Class HOLOCEPHALI. 



Order CHIMiEROIDEI. 



Family XI. CHIMiERIDiE. 



Chimera Linnseus. 



22. Chimaera purpurescens Gill)ert. (G., p. 582.) 

 Deep seas. Dredged off Kauai. 



Class PISCES. 



Order ISOSPONDYLI. 



Family XII. ELOPID^E (Ten-pounders). 



Elops Linnaeus. 



23. Elops hawaiiensis Regan. Aiva. (J. & E., p. 53.) 



Regan has shown that Elops sminis Linnseus, the common "Tenpounder" of 

 the western Atlantic, is not really cosmopolitan, as supposed, but must be separated 

 into several closely related species, of which the abundant Hawaiian form is one. 



Family XIII. ALBULID.E (Lady-fishes). 



Albula (Gronow) Scopoli. 



(Bidyrmus Laccpede.) 



24. Albula virgata sp. nov. Jordan and Jordan. Olo. (J. & E., j:). 55.) (PL I, 

 fig. 1.) 



TA'pe No. 3896, Carnegie Museum, from Honolulu. 15.75 inches long. 



The common Oio of the markets of Hawaii differs markedlj^ in color from 

 Albula vulpes of the American coasts, as well as from all of the nominal species of 

 the genus hitherto described. All of these are brilliantly silvery, with only vague 

 dark lines or stripes. The Hawaiian fish is dusky, marked with distinct stripes 

 much like the markings on a Striped Mullet (Mugil Cephalus). 



Head 3.33 in length; de])th 4.33; dorsal rays 16; anal rays 8; scales 9-72-7; 

 body elongate, moderatelj^ compressed; upper lobe of caudal somewhat the longer; 



