SCOMBEESOCID.E. 429 



b. Pectorals blackish, with an oblique white 



band 5. E. altipinnis, p. 430. 



c. Pectorals neither spotted nor banded . . 6. E. bahiemis, p. 431. 

 D. Ventrals only just reaching or not quite 



reaching anal 7. E. mento, p. 431. 



551. (1.) Exoccetus micropterus. 



Exoccetus micropterus, Cm. 8f Val. H. N. Poiss. xix, p. 127, pi. 503 ; 

 Day, Fish. India, p. 518 (see synon.). 



B. xiii. D. 15-16. P. 11-12. V. 6. A. 14-15. C. 15. L. 1. 50. 



Length of head 5|, height of body 7| in the total length. 

 Eyes 3| diameters in length of head, nearly 1 from end of snout. 

 A pair of short barbels under symphysis of lower jaw, which is 

 prominent. Fins dorsal commences a little anteriorly to anal, and 

 in the 'last fourth of the body, the highest dorsal rays scarcely 

 exceed 1| diameters of orbit; upper edge of fin rather convex. 

 Pectoral not reaching so far as to the ventral, the latter, which is 

 inserted midway between pectoral and caudal, not extending to 

 anal. Anal of same shape as dorsal. Lower caudal lobe the 

 longer. Colour bluish above ; silvery on the sides and beneath; 

 fins dark. 



Hob. Malabar to the Malay Archipelago. 



552. (2.) Exoccetus evolans. 



Exocoetus evolans, Linn. Syst. Nat. i, p. 521 ; Day, Fish. India, 

 p. 519, pi. cxx, fig. 5 (see synon.). 



D. 12-14. P. 14. V.6. A. 13-15. C.17. L. 1. 40-42. Vert. 25/19. 



Length of head 5, height of body 6 in the total length. Eyes 

 3| diameters in length of head, from end of snout, and 1 apart. 

 Fins dorsal arises above or slightly in advance of origin of anal. 

 Pectoral reaches to base of caudal. Ventral short, reaching half- 

 way to base of anal. Caudal lobed, the lower lobe much the longer. 

 Scales 6| rows between origin of dorsal and lateral line. Colour 

 bluish along the back, becoming lighter on the sides and beneath. 

 Pectoral grey or black, and with a light edge. 



Nab. Indian and other tropical and subtropical seas ; attaining 

 at least 9 inches in length. 



553. (3.) Exoccetus furcatus. 



Exocoetus furcatus, Mitchell, Lit. and Phil. Trans. New York, i, 

 p. 449, pi. v, fig. 2 ; Day, Fish. India, p. 519 (see synon.). 



D. 13. P. 13. V. 6. A. 9-10. 



A pair of barbels at symphysis of lower jaw. Fins dorsal 

 moderately high, but its longest rays do not extend to caudal. 

 Ventrals reach root of caudal, and pectorals nearly as far ; the 

 former arise slightly nearer to base of caudal than to snout. 

 Colour posterior part of ventrals and lower part of anal black. 

 Young with three broad vertical bands across the anterior half of 



