PROCEEDINGS 



OF THE 



CALIFORNIA ACADEMY OF SCIENCES 



Fourth Series 



Vol. IX, No. 12, pp. 313-329 December 23, 1919 



XII 



Mechanism in the Production of the Throat- 

 Fan in the Florida Chameleon, 

 Anolis carolinensis 



Chas. E. von Geldern 



PRINTED FROM THE 

 JOHN W. HENDRIE PUBLICATION ENDOWMENT 



SAN FRANCISCO 



Published by the Academy 



1919 



