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PHILOSOPHICAL 
TRA NS A CTIONS. 
I 
XIV. Obfervations on the Natural Hlflory of the Cuckoo. By 
Mr . Edward Jenner. In a Letter to John Hunter, Ff, 
F. R . S. 
Read March 13, 1788. 
TO JOHN HUNTER, ESC^ 
DEAR SIR, 
H AVING, at your requeft, employed fome of my leifure 
hours in attending to the natural hiftory of the Cuckoo, 
I beg leave to lay before you the refult of my obfervations, 
Vol. LXXVIII. H h with 
