XXXVl INTRODUCTION 



libraries, which I shall always associate pleasantly with 

 their respective librarians, Mr. F. H. Waterhouse and Mr. 

 Edward Ileawood. 



1 have, also, had reference to such books as I wished in the 

 British Museum. 



To Mr. Quaritch I owe publication on a scale which would 



never have been attempted by myself alone ; nor carried into 



being but for the loyal collaboration and able direction of his 



assistant. 



THE AUTHOR 



