. V lYi C V 



~- *s \,/ 



LlB^at jb EESE LIBRARY 



OF 



OF THE 



UNIVERSITY OF CALIFORNIA. 



EARTH 



SCIENCE . 

 BRAfft' Jtectived 



Accessions No. _ ^/ !rTZ- t ^^L _ -57z^ j?V^. _ 



