Slight rostral keel extends into front of interorbital; 
latter slightly concave; supraorbital keel slight, also 
occipital; opercle without keel. Gill-opening small hori- 
zontal slit, about its own length from pectoral origin. 
Gings firm. Keels without spines. Dorsal origin near mid- 
dle of second ring before vent, rest of fin on 8 caudal rings. 
Anal very small, on ring just behind vent. 
Color in alcohol: faded mostly uniform brownish. Length 
(dameced) at least 180 mm. One from Valparaiso. 
oe Shas . 
Synenathus acus Linnseus. @aAa4 “6 3 
Fs 
Drawing of an example from the North Atlantic in Lat. 
3! WN. Long. 499 19' W. It is show with D. 33, 
likely intended for this species. 
Synenathus pelagicus Linnaeus. fay FY 
1 
Drawing of an example from Orange 
Fuero. The dorsal view shows about 55 and the 
25 rays in the dorsal fin. Evidently intended for tre pres- 
ent species. 
