



N < > T E . 



The seven parts of Volume X of the Contributions were issued as 

 follow s: 



Part 1. pages 1 to 48, March 30, L906. 

 Part 2, pages 49 to 78, July L6, L906. 

 Pari 3, pages 79 to L32, Decembers, L906. 

 Part 4. pages L33 to 220, June L0, L907. 

 Part 5, pages 221 to 442, July 11, 1907. 

 Part 6, pages 443 to 47l\ January 21, 1908. 

 Part 7. pages 47:; to :><>n March 30, l!><»s. 



