F»ROCEEDINOS 



OF THE 



CALIFORNIA ACADEMY OF SCIENCES 



Fourth Series 



Vol. VII, Nos. 2 and 3, pp. 33-39. July 23, 1917 



II 



Concerning the Origin of the Soft-shelled Turtle, 

 Aspidonectes californiana Rivers 



John Van Denburgh 



Curator of the Department of Herpetology 



ni 



Notes on the Herpetology of Guam, 

 Mariana Islands 



John Van Denburgh 

 Curator of the Department of Herpetology 



PRINTED FROM THE 

 JOHN W. HENDRIE PUBLICATION ENDOWMENT 



SAN FRANCISCO 



Published by the Academy 



1917 



