CONTENTS. 
IX 
BIBLIOGRAPHY 45 § 
ERRATA 460 
INDEX 461 
DATES OF PUBLICATION OF THE PARTS OF VOLUME IV. 
Dates of issue were not printed on the covers of the separate parts of this volume. The 
dates of actual publication are as follows : 
Pp. 1- 44. Pll. I— X, published November 6, 1901. 
Pp. 45-332. Pll. XI-XXXIX, published April 19, 1902. 
Pp. 333-460. Pll. X L-LX V, published September 14, 1906. 
