DESCRIPTIONS OF TWO NEW SPECIES OF ELECTRIC 

 RAYS, OF THE FAMILY NARCOBATID.E. FROM DEEP 

 WATER OFF THE SOUTHERN ATLANTIC COAST OF 

 THE UNITED STATES. 



By Barton A. Bean and Alfred C. Weed, 



Of the Division of Fishes, U. 8. National Museum. 



In a lot of fishes collected by the steamer Albatross of the U. S. 

 Bureau of Fisheries in deep water off the southern Atlantic coast 

 of the United States Avere found two electric rays, with rudimentary 

 (functionless) eyes, differing specificall}^ one from the other and. like- 

 wise, from the only known species under the genus to which these are 

 now assigned, namelj^ Benthohatis xA.lcock.'^ 



BENTHOBATIS MARCIDA Bean and Weed, new species. 



Disk broadly ovate, body abruptly narrowed at the caudal edge of 

 the pectoral fins so that the ventrals appear to be inserted entirely on 



Benthobatis maecida. 



the tail, which thus appears very long. The vent is just midway 

 between tip of snout and end of caudal fin. The width across pectoral 



Proceedings U. S. National Museum, Vol. XXXVI— No. 1694. 

 Proc. N. M. vol. xxxvi— 09 47 677 



