»’ 
bn Mand 
REMARKS 
ON THE 
SUMMER BIRDS OF PASSAGE, 
AND ON 
MIGRATION IN GENERAL. 
BY MR. JOHN GOUGH. 
COMMUNICATED BY DR. HOLME. 
_ (Read March 20, 1812.) 
TW 
Sin, Middleshaw, Feb. 21, 1812. 
THE following Essay appears to me to 
contain some new ideas relating to the natural 
history of periodical birds, Should you en- 
tertain the same opinion after perusing the 
paper, the communication of it to the Lite- 
rary and Philosophical Society of Manchester, 
will oblige, 
Yours, &e. 
JOHN GOUGH. 
To Dr. Holme. 
Peruars no phenomenon in the history of 
animated nature has engaged the attention of | 
men of observation, in all ages and countries | 
