734 Bulletin 47, United States National Museum. 



1082. EXOCCETUS VINCIGUERR^, Jordan & Meek. 



Head4i; depth 6. D. 11; A. 12; scales about 48, 24 before ventrals, 

 28 before dorsal, 7 between dorsal and lateral line. Snout 4^ in head ; eye 

 3 ; iuterorbital area nearly flat, 2f in head. Anal fin opposite dorsal and 

 about as long; second ray of pectoral forked, the first ray simple, third 

 and fourth rays longest; origin of ventrals midway between posterior 

 margin of orbit and last caudal vertebra ; ventrals chiefly black ; pecto- 

 rals If in body, reaching last ray of dorsal ; ventrals about 3 in length 

 of body, their tips reaching slightly beyond last ray of anal ; longest 

 dorsal ray 2| in head ; lower lobe of caudal 3i in body. Pectoral fins 

 dusky, nearly uniform, or with a small white oblique bar, which extends 

 halfway across the fin ; the edges of the fin whitish ; ventrals chiefly 

 blackish ; dorsal and anal without dark markings. Length about a foot. 

 Open Atlantic, occasional on our coast and those of Southern Europe, the 

 specimens examined by us from off Newfoundland, from St. Martins, and 

 the Gulf of Mexico. (Named for Dr. Decio Vinciguerra, director of the 

 Acquario Romano, an active and successful ichthyologist.) (Eu.) 



Exocwtus rondeleli, LUTKEN, Vid. Medd. Foren., 404, 1876; not of CUVIER & VALENCIENNES; 

 JORDAN & GILBERT, Synopsis, 263, 1883. 



Exocoetus exiliens, VINCIGUERRA, Kisultati Ittiologici del Violante, 113, 1883; not of GMELIN. 



Exoccetus rinciguerrse, JORDAN & MEEK, Proc. U. S. Nat. Mus., 1885, 56, open sea off New- 

 foundland, 46 N., 61 W. (Type, No. 21870. Coll. Albatross.) 



1083. EXOCCETUS YOLITANS, Linnams. 



Head 4i ; depth 6. D. 12 ; A. 11 ; scales 55, 25 before ventrals, 30 before 

 dorsal; 6 rows between dorsal and lateral line. Snout rather obtuse, 4 in 

 head ; eye large, 2f in head ; interorbital space slightly concave, 2| in 

 head ; width of body at base of pectorals If in head. Anal fin long, 

 opposite dorsal; second ray of pectorals divided, the first simple, the 

 third and fourth longest; insertion of ventrals midway between posterior 

 edge of preopercle and base of caudal. Pectoral fins not uniform; in 

 color dark brown, with an oblique, whitish band which begins in the axil 

 and runs obliquely backward to middle of fin ; edges of pectorals whitish. 

 Pectoral fins If in length of body, their tips reaching beyond dorsal ; 

 ventrals 3| in body, reaching about to ninth ray of anal; longest dorsal 

 ray 2i in head, anal ray 3; lower lobe of caudal 3^ in body. Ventral fins 

 white, with a slight dusky shade in the axil; no dark markings on dorsal 

 or anal. Length 12 inches. Open seas; not rare on our Atlantic Coast, 

 ranging north to the Grand Banks; also found in Southern Europe and 

 the Hawaiian Islands, (volitans, flying.) (Eu.) 



Exocaetus, ARTEDI, Genera Piscium, 18, 1738, locality not known. 



Exocaetus volitans, LINNJEUS, Syst. Nat., Ed. x, 1758, 316; after BALK, who copied from ARTEDI; 



JORDAN & MEEK, I. c., 57. 



Exoccetus rubescens, RAFINESQUE, Amer. Monthly Mag.. 1818, 205, Banks of Newfoundland. 

 Exoccetus speculiger, CUVIER & VALENCIENNES, Hist. Nat. Poiss., xix, 93, 1846, Friendly Islands; 



Straits of Sunda; Isle of France; Indian Ocean; Peros-Banhos; Pacific Coast 



of South America; GUNTHER, Cat., vi, 287, 1866; BUTTON, Fishes New Zealand, 55, 1872; 



LUTKEN, Vid. Med. Naturh. Foren., 403, 109, 1876. 



