UNIVERSITY OF CALIFORNIA PUBLICATIONS 



ZOOLOGY 



Vol. n, No. 13, pp. 329-376, pis. 16-20 



March 21, 1914 



MODIFICATIONS AND ADAPTATIONS TO 



FUNCTION IN THE FEATHERS OF 



CIRCUS HUDSONIUS 



BY 



ASA C. CHANDLER 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY 





