Smithsonian Report, 1918. — Longley. 



Plate 4. 



Fig. I. — Butterfly Fish (Chaetodon ocellatus). 



These dainty little fishes are commonly seen in pairs as shown. 



Fig. 2. — Fighting Grunts (Haemulon plumieri). 



The one at the left has taken its station over the Gorgonian tuft and resents intrusion. 



