304 FISHES 



Large examples of 8. rivoliana were observed in Nassau Harbor. Two 

 brought to the schooner's side by hand-line fishermen weighed about 50 Ibs. 

 each. 



NAUCRATES DUCTOR Linnaeus (Pilot-fish). 



A fish of wide distribution, inhabiting the open seas, being found occasion- 

 ally on the Atlantic coast from Cape Cod to the West Indies. Two specimens 

 were taken by the Expedition, the one from the edge of Gulf Stream, the other 

 at N. Lat. 31 13', W. Long. 74 41', in June, 1903. 



ALECTIS CILIARIS (Bloch) (Thread-fish). 



Both coasts of tropical America; common around the Florida Keys. Ob- 

 tained at Green Turtle Cay, 1888, by C. L. Edwards. 



SELENE VOMER Linnaeus (Horsehead). 



One of the handsomest and commonest of the Moon-fishes, deriving its 

 name of Horsehead and also that of Lookdown from the peculiar shape of its 

 head. Its flesh is excellent, being generally considered a great delicacy. Found 

 on both coasts, from Cape Cod to Brazil, Lower California to Peru ; more com- 

 mon about the sandy coasts of tropical America. A specimen was taken by 

 the Expedition at Nassau, June 20, 1903. 



Family NOMEID^E. 



PSENES CYANOPHRYS Cuvier and Valenciennes. 



A small fish occurring in the Atlantic, Pacific and Indian oceans, being 

 widely distributed in the warm ocean currents. Secured by the Expedition at 

 Green Cay, June 29, 1903. 



NOMEUS GRONOVII Gmelin (Portuguese Man-of-war Fish). 

 This fish derives its name from its habit of seeking protection beneath the 

 jelly-fish known as the Portuguese man-of-war, moving freely about its pois- 

 oned tentacles. The single example obtained by the Expedition was taken 

 with its host in the open ocean southeast of Cape Hatteras in June, 1903. 



Family BRAMID^E (Pomfrets.). 

 BRAMA RAII Bloch (Pomfret). 



Found in the open seas at considerable depths; rarely in the Atlantic, 

 more frequently on the Pacific coast from California north to Puget Sound. 



