NOTE. 
The four parts of Volume VIII of the Contributions were published as follows. 
Part 1, pp. 1 to 56, June 16, 1903. 
Part 2, pp. 57 to 270, June 27, 1903. 
Part 3, pp. 271 to 280, June 27, 1903. 
Part 4, pp. 281 to 339, April 20, 1905. 
IV 
