35 2 SNODGRASS AND HELLER 



Numerous specimens taken in the warm water between 4 N. and 

 21 N. and 90 W. and 116 W. Comparatively scarce in the cooler 

 water of the Humboldt current immediately to the south of this region, 

 and none seen about the Galapagos Islands. 



26. EXONAUTES SPECULIGER (Cuvier & Valenciennes). 



Exoccetus speculiger CUVIER & VALENCIENNES, Hist. Nat. Poiss., xix, 93, 



1846. GUNTHER, Cat., vi, 287, 1866. 

 Exoccetus volitans, JORDAN & EVERMANN, Fishes North and Mid. Amer., I, 



734, 1896. 

 Exonautes speculiger, JORDAN & EVERMANN, Fishes North and Mid. Amer. , 



in, Addenda, 2835 and 28 3 6 > l8 9 8 - 

 Range. Widely spread in the tropics. 



One specimen taken at about 17 23' N. ; 114 9' W., southwest 

 from the Revillagigedo Islands. 



27. CYPSILURUS XENOPTERUS (Gilbert). 



Exoccetus xenopterus GILBERT, Proc. U. S. Nat. Mus. 1890, 58, Clarion Island. 



JORDAN & EVERMANN, Fishes North and Mid. Amer., I, 738, 1896. 

 Exonautes xenopterus, JORDAN & MCGREGOR, Kept. U. S. Fish Comm. 1898, 



275 (Clarion Island ; Moro Hermosa, Lower California). 

 Cypsilurus xenopterus, JORDAN & EVERMANN, Fishes North and Mid. Amer. , 

 in, Addenda, 2836, 1898. 



Range. Eastern tropical Pacific. 



This species was first obtained by Dr. C. H. Gilbert from the stom- 

 ach of a booby (Sula) at Clarion Island, and later by Mr. R. C. Mc- 

 Gregor at the same locality and off Moro Hermosa, Lower California. 



28. CYPSILURUS CYANOPTERUS (Cuvier & Valenciennes.) 



Exoccetus cyanopterus CUVIER & VALENCIENNES, Hist. Nat. Poiss., xix, 98, 

 1846, Bahia, Rio de Janeiro. GUNTHER, Cat., vi, 294. JORDAN & 

 BOLLMAN, Proc. U. S. Nat. Mus. 1889, 1 80 (James Island). JORDAN 

 & EVERMANN, Fishes North and Mid. Amer., I, 739, 1896. 



Exoccetus albidactylus GILL, Proc. Acad. Nat. Sci. Phila. 1863, 167, Carib- 

 bean Sea. 



Cypsilurus cyanopterus, JORDAN & EVERMANN, Check-list Fishes, 323, 1896. 



JORDAN & EVERMANN, Fishes North and Mid. Amer., in, Addenda, 

 2836, 1898. 



Range. Caribbean Sea, coast of Brazil; Galapagos Islands. 

 Taken at James Island by the Albatross (iSSy-'SS). 



Family MUGILIDJE. 



29. MUGIL CEPHALUS Linnseiis. 



Mugil cephalus LINNAEUS, Syst. Nat., Ed. x, 316, 1758, Europe. JORDAN & 

 BOLLMAN, Proc. U. S. Nat. Mus. 1889, 180 (Chatham Island, Hood Is- 

 land). JORDAN & EVERMANN, Fishes North and Mid. Amer., i, 811, 

 1896. 



