Before revision: ; 1970 Cyril W. Cleverdon; 1968 Carlos A. Cuadra; 1967 Robert Fairthorne <ref>Brookes, B.C.
After revision: ;; 1970 Cyril W. Cleverdon; 1968 Carlos A. Cuadra; 1967 Robert Fairthorne <ref>Brookes, B.C.