204 
of New York tl t 1 
The latter species, however, is ae pee in the north 
and its present condition is due in part, at any rate, to other 
during the past few years. 
Many of the elms formerly set out on streets and in parks are 
the 
localities as Central ae - is uly oo apparent that i 
t 
g of these trees in eee 
i congested regions on account ot the unf bl 
caused by the presence of atmospheric gas It is, moreover, 
doubtful whether the reante in should = utilized i in planting 
extremely congested regions, owing to its susceptibility to 
