LIBRARY '^OF 



^^^^nrOSEMlTE NATURE NOTES 



THE MONTHLY PUBLICATION OF 



THE YOSEMITE NATURALIST DIVISION AND 



THE YOSEMITE NATURAL HISTORY ASSOCIATION, INC. 



Vol. XXXIII AUGUST 1954 No. 8 



I? 





By 



Cyril A. Stebbins 



and 

 Robert C. Stebbins 



(Illustrated by the junior author) 



SPECIAL ISSUE 



