All-101 



ACKNOWLEDGEMENT 



The authors wish to express their ap- 

 preciation to lir. Henry Stommel for calling 

 to their attention the need for an investiga- 

 tion of the problem herein presented. 



Grateful acknowledgement is made to 

 Mrs. Marion Porritt and Miss Ezoura Dias 

 for the typing, Miss Mary Melikian for the 

 figures, and Miss Nancy Bowers for the Mimeo- 

 graphing, 



