INTRODUCTION Vll 



extending down to about the year 1894, has afforded a large 

 amount of assistance in the work. In the matter of illustra- 

 tions, acknowledgments are due to the Zoological Society, 

 to Eowland Ward, Ltd., and to personal friends and 

 colleagues of my own whose names are mentioned in the 

 sequel. 



Unless the contrary is stated, each specimen entered in 

 this Catalogue is assumed to represent an adult male. 

 Most of the older stuffed specimens are entered as mounted 

 skins, despite the fact that a considerable number of these 

 have already been converted into flat skins, and that the 

 process of conversion is likely to be continued in the future. 



E. LYDEKKER. 

 March 10th, 1913. 



