Black and Grey Cuckoo {Coccystes phyopinarius) at the nest of a Cape 



Bulbul {Pycnonotus capensis). This cuckoo laid a large while 



egg in the bulbul's nest, and, taking one of its host's eggs in its 



mandibles, it flew away. 



The Cuckoo's egg, and the two eggs of the bulbul, are shown in the 



illustration. 



This happened on 18th December 1919. 



59 



