186 On certain Facts in the Economy of the Cuckoo. 



I. The period of laying, in the Cuckoo, extends from the 5th 

 of May to the 19th of July, or nearly. 



II. Traces of violence and a scuffle between the Cuckoo, at the 

 time of deposition, and the owner of the nest often appear. 



III. It is not usual to find the full complement of eggs of the 

 proprietor in the nest after a Cuckoo has intruded hers. But 

 sometimes the contrary occurs. 



In exemplification of the above, I give the following list of 

 nineteen nests containing Cuckoos^ eggs known to me during 

 the past year (1864) : — 



