VU1 PREFACE. 



been made. Wherever this lias been done, the Author 

 believes that he has acknowledged the source from which 

 he has taken the information ; and he here tenders his sin- 

 cere thanks to those friends who so freely allowed him to 

 make use of their works. Should, however, any one find 

 his own process in these pages unacknowledged, the author 

 can only plead oversight, and his regret that such should 

 have been the case, 



