■9^- 



•s^:--\ - 



\ 



V 



y 





. :,J«^'' 



'0^:S 



-*5p£^JNr~- 



/?. M. Lockley 



Plate XVIa. Mutual display of mated Gannets continues throughout the breeding season 



('Grassholm) 



b. The feeding process in the gannetry (Grassholm) 



R. M. Lockley 



J 



'^n 





-«%.. -;>^*' 



':^^' 





■is- J^^ 





