(ESTRELATA TRINITATIS. 



The nests of both, species were simply small saucer-shaped hollows in the over- 

 hanging parts of crumbling rocks. The single egg is white, and measures : — Axis, 2.5 

 inches ; diam., 1.85 ; which is very large for the size of the bird. 



Adult male. General colour above sooty-brown, almost black, with white bases 

 to the feathers of the upper-surface ; wing-coverts and scapulars, as well as the 

 secondaries, like the back, the primary-coverts and primaries slightly darker, the 

 inner web for the most part ashy-brown ; tail-feathers, sooty-brown ; crown of head, 

 sides of face, throat and entire under-surface of body also sooty-brown, all the feathers 

 with concealed white bases which are most conspicuous on the throat ; the feathers 

 of the under-surface obsoletely margined with lighter brown ; under tail-coverts 

 slightly blacker than the breast ; under wing-coverts and axillaries dark brown, a 

 little deeper than the brown of the breast ; lower greater-coverts and primary-coverts 

 white, ashy-brown towards the ends ; quills dark brown below, the inner webs ashy, 

 white towards the base, and fringed with white along the inner web ; " bill, tarsi and 

 toes black ; irjs black " (M. J. Nicoll). Total length about 14.4 inches ; culmen, 1.25 ; 

 wing, 11.1 ; tail, 4.5 ; tarsus, 1.4 ; middle toe and claw, 1.95. 



Adult female. Does not differ in plumage from the male. Wing, 11.4 inches. 



A nestling procured by Mr. Nicoll is covered with sooty-grey down. 



The adult male and female are described from specimens obtained by Mr. Nicoll. 

 The figure in the Plate is drawn from the type-specimen kindly lent to Salvin by 

 the authorities of the Royal Museum of Turin. 



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