292 SCOMBEESOCID^. 



inner side of the fin. Ventral fins white, with about three rounded 

 blaf^kish spots on the middle of their posterior half. 

 East-Indian archipelago ; Formosa, 



a-h. Adults. Formosa. From Consul Swinhoe's Collection. 



30. Exoccetus callopterus. 

 D. 11-12. A. 8. L. lat. 46. 



Body stout, its height being one-fifth of the total length (without 

 caudal), the length of the head being somewhat less than one-fourth. 

 The depth of the head equals the distance between the extremity 

 of the snout and the hind margin of the praeoperculum. Snout 

 obtuse and depressed, its length three-fifths of the diameter of the 

 eye, which is one-third of the length of the head and less than the 

 width of the interorbital space, which is slightly concave. The 

 pectoral fin extends to the end of the dorsal. Ventral fins midway 

 between praeoperculum and root of the caudal, extending nearly to 

 the end of the base of the anal. The dorsal commences far in ad- 

 vance of the anal, its anterior rays being half as long as the head. 

 The distance between the first dorsal ray and the first rudimentary 

 caudal ray equals tJ^e length of the head. There are thirty-four 

 scales between the occiput and the ongin of the dorsal, and nine 

 longitudinal scies of scales between the origin of the dorsal and the 

 lateral line. Pectoral with numerous small roundish blackish-brown 

 spots, and with the lower and upper rays whitish. Ventral white, 

 the middle rays greyish. 



Pacific coast of Panama. 



a. Fine specimen, ten inches loug. Pacific Coast of Panama. Pre- 

 sented by Capt. Dow, C.M.Z.S. 



31. Exoccetus spilopterus. 



? Exoccetus spilopterus, Cuv. 4* ^ul- xix. p. 113. 



Exoccetus spilopterus, Bleek, Ned. Tydschr. Dierk. iii. p. IIG. 



D. 12-13. A. 10. L. lat. 48. 



The height of the body is one-fifth or a little less than one-fifth 

 of the total length (without caudal), the length of the head one- 

 fourth. The diameter of the eye is more than one-third of the 

 length of the head, nearly equal to that of the postorbital portion of 

 the head, and not much less than the width of the interorbital space, 

 which is slightly concave. Snout much shorter than the eye. 

 Dorsal commencing in advance of the anal ; pectorals extending to 

 the end of the dorsal ; ventrals nearly midway between the giU- 

 opening and the base of the caudal, reaching to the middle of the 

 anal. Pectoral violet, with scattered small brown or black spots and 

 dots. {Bl.) 



Celebes ; ? Caroline Islands. 



