441 
Olive broTim on back and above, sides below and under surfaces 
silvery white. Iris silvery white, also mandible. Dorsal and caudal brown¬ 
ish, or like back. Anal whitish. Pectoral largely dusky, rays outside 
basally pale, fin teminally blackish, though its lower hind edge narrowly 
pale. Ventral brownish medially, greater inner edge's whitish, 
Hawaiian Islands. This species is closely related to Cypselurus 
rondeletii in having its first 2 pectoral rays simple. That species differs, 
howerer, in having 12 or 13 anal rays. 
S. N. M., no. 50872, type, Lat. 26° 5Q’ N., long. 140° YiT. Albatross 
Collection (2491), Length 265 mm. 
