X 
INTRODUCTION. 
to whom he is indebted for the assistance afforded him in the several 
departments;—namely, to Mr. Charles M. Curtis, to whom much 
credit is due for the accuracy of the drawings ; to Mr. B. Water- 
house Hawkins, for that of the etchings; and to Mr. George Bay- 
field, for the great attention he has paid to the colouring of the 
Plates. 
