EXOCOETIDAE. 87 



Valenciennes state that the dorsal is 12 and anal 8, but in their figure at least 13 

 rays are shown in the anal. Bleeker (Atlas) states that the dorsal is 12 or 13 and 

 anal 9, but his figure shows 12 or 13 in the anal. 



General color pale, slightly brownish on back; body thickly sprinkled with 

 black dots; pectoral black, dotted; ventral blackish; caudal pale; anal and 

 dorsal broken, but showing indications of black color. 



Cypsilurus sp. 



One specimen 3^ inches long from Station 4619, surface, Lat. 7°, 15' N.; 

 Long. 82°, 8' W. 



Length to base of caudal 63 mm.; head 4.5; depth 4.84; eye 2.33; snout 

 very short; mouth small, very oblique; interorbital 2.33; dorsal IO5; anal 8; 

 pectoral reaches to below 9th dorsal ray; ventral inserted about midway between 

 posterior margin of eye and base of caudal ; insertion of the dorsal somewhat in 

 advance of anal; scales about 45; first four rays of pectoral simple, shorter than 

 others. Sixth pectoral ray longest; lower caudal lobe longest. 



Color in spirits brownish above, silvery below; pectoral black with paler 

 rays, base whitish below, tips white; ventral and dorsal black; anal pale; caudal 

 pale with three faint diffuse spots on lower lobe. 



Fodiator acutus (Covier & Valenciennes). 



Jordan & Evermann, Bull. 47, U. S. Nat. Mus., 1896, pt. 1, p. 728. 

 Exocoelus aculus Gov. & Val., Hist. Nat. Poiss., 1846, 19, p. 91 (125). 



One specimen I inch long from Acapulco. 



Head 3.24 in length; length of beak 2.9 in head; eye 4.33 in head; dorsal 10; 

 anal 11. Beak black; back brown; a blackish stripe with poorly defined edges 

 along the side from beliind pectoral; posterior part of body from insertion of 

 ventrals to insertion of dorsal blackish; outer half of pectoral, except 1st ray, 

 black, inner rays pale; ventrals, except 1st ray, black; anal and caudal pale; 

 middle of dorsal black. 



? Exonautes sp. 



One specimen l| inches long from Station 4646, Lat. 4°, 1.6' S. ; Long. 89°, 

 16.3' W., surface. 



Length to base of caudal 26 mm. ; head 4.74 ; depth 6.50; eye 2.06; inter- 

 orbital 2.20; dorsal 10; anal 11; first 3 pectoral rays simple. 



Color in alcohol : — general color plain pale straw; a few black dots on top 

 of head and on jaws; body without spots anterior to origin of ventral, posterior 



