58 A YORKSHIRE NATURALIST 



foundations for his superb collection of British and 

 foreign butterflies ; Joshua Alder and Albany 

 Hancock were writing their "Investigations of the 

 " Nudibranchiate Molluscs " ; John Hancock was 

 steadily rising to be a high authority on British 

 birds, and to be one of the most accomplished 

 taxidermists that Great Britain has ever known ; 

 and William Bowman was the local representative 

 of the English botanists : a galaxy of distinguished 

 men rarely equalled in any provincial town. At the 

 same time we had at Durham Professor Johnson, 

 the leader in all questions of Agricultural Chemistry, 

 and but a little further north, Berwick was the home 

 of Johnstone, the author of the " History of British 

 "Zoophytes." 



