218 
SLEND^m SALMON. 
round them. We observe, however, that in some species of 
this family, the radii of these spots are formed by the overlying 
of some bright scales across one or two dark ones; thus permitihig 
only a portion of the dark to appear. Fin rays— of the dorsal 
fifteen, the first very short, fourth the longest; pectoral fifteen, 
ventral ten, with a separate wing; caudal eighteen. The aspect 
of this fish and markings of its head differ from those of the 
Salmon. The usual parasitic animals of the Salmon when coming 
from the sea were not found on it. 
