94 



INSECTIVOROUS BIRDS 



impression of the representative species under present 

 notice. 



As described by the writer recently before the Royal 

 Society of Victoria, the species has three phases of plumage, 



Fig. 21; White-throated Thickhead, male and female, 

 natural size. 



One-fifth 



very distinctly different to each other — («) rufous ; (b) grey ; 

 (c) yellow, white, and grey. My correspondent, Mr. 

 Geo. Graham, now corroborates what I there expressed by 

 closely observing the male grey bird of the nest as under 



