THIS BOOK IS DUE ON THE DATE 

 INDICATED BELOW AND IS SUB- 

 JECT TO AN OVERDUE FINE AS 

 POSTED AT THE CIRCULATION 

 DESK. 



1Q«1 



Mi\R 1 6 1983 



W)y 5U v^y 



DEC f 1999 



lOOM/l-77 



