82 



Our Bind Fk/ends. 



generally known that wild birds occasionally produce 

 similar tiny specimens. Our illustration on the 



SONG TllllLf^Hs' ICGGS \j). 61;. 



opposite page shows a Yellow Hanmier's nest with 

 one of these Tom Thumb specimens in it. 



The shape of some eggs ])lavs a Wdiidcrlul [)art 



]tLACKUlUl»S tGGS {p. blj. 



in then- safety and even in the iiiturc Wfll-bciug of 

 the chicks they contain. 



The Common Guillemot lays a single lar<;e ecrg 

 on the top of some bare, flat rock-stack or the 



