iv PREFATORY NOTE 



debtedness to him for the constant assistance he has 

 rendered. We also desire to thank the authorities of 

 the Cathedral Library at Canterbury, and of the 

 Heralds' College, for access to copies of the different 

 treatises in their charge, and the Master and Fellows of 

 S. John's College, Cambridge, and of Merton College, 

 Oxford, for allowing their MSS. to be transcribed. 



E. L. 



W. C. 



August 1890. 



