Appendix Figure AlO. — A nearly all-white pilot whale seen off Catalina Island, Calif. , in April 1971 . The observation of this same animal 

 at least once each quarter of the year is evidence that it is resident in that area. {Photo by S. Leatherwood.) 



Appendix Figure All. — A herd of pilot whales off Catalina Island, Calif., including an animal with a partially chopped-off dorsal fin, which has made 

 him recognizable in repeated encounters with pilot whales around the various channel islands. {Photo by G. E. Ldngle. ) 



159 



