* . M aryland Yel- 
kw-jbroat all arrived on April 1st, which bears out Prof. 
Cooke’s observation that, the night before the maximum of 
a warm wave biings most of the migrants, 1 he night of 
April 1st waB the night of maximum heat, but the birds 
must have come before then, as they were here on April 1st. 
— II. II. and C. S. Brimley. 
O.&O. X. May. 1885 . v.H 
