natural Hijlory of the Cuckoo. 237 
for their own young ones, after a certain period ; nor would 
there be room for the whole to inhabit the neft. 
Thus, Sir, I have, with much pleafure, complied with your 
requeft ; and here lay before you fuch obfervations as 1 have 
hitherto been capable of making on the natural hiftory of the 
Cuckoo ; and lhould they throw fome light on a fubjedt that 
has long lain hid in obfcurity, I fhall not think my time has 
been ill employed. 
With a grateful fenfe of the many obligations I owe to the 
friendfhip with which you have fo long honoured me, 
I remain, &c. 
EDW. JENNER. 
Berkeley, 
December 27, 1787. 
Kk 2 
