Fig. 6. — I. Pacific "rock beauty," Holacanthus passer, Gardner Bay, Hood 

 Island, Galapagos, 12 inches in length. (Photograph by R. B. Thompson.) 



2. "Blue crevally," Caraux stellatus. This species was taken at Cape San 

 Lucas, Socorro Island, and Cocos Island. At Socorro, the President caught 

 a 38-pound one, the heaviest on record. (Photograph by F. B. Adams.) 



3. Young tiger shark, Galeocerdo arcticus, a 60-pound specimen taken at 

 Clipperton, still showing the characteristic striping that gives this species its 

 name. (Photograph by R. B. Thompson.) 



4. "Golden grouper," the beautiful reddish golden-yellow form of the com- 

 mon Colorado grouper of the Galapagos Islands, Mycteroperca olfax, caught 

 off Tagus Cove. (Photograph by R. B. Thompson.) 



