G2 CAPRIMULGIDJE. 



1. Northern Nigeria, W. Africa. J. F. Loder Symonds, Esq. 



[P.]. 



2. Sierra Leone. C. H. Firmin, Esq. [P.]. 



1. Near Fashoda, White Nile. R. McD. Hawker, Esq. [P.]. 



Genus COSMETORNIS, Gray. 

 Cosmetornis vexillarius (Gould). 



Cosmetornis vexillarius, Sharpe, ed. Layard's Birds S. Africa, p. 89 (1874 - 

 84) ; Hartert, Cat. Birds B. M. xvi. p. 59o (1892) ; Nehrk. Kat. 

 Eiersamml. p. 156 (1899) ; Sharpe, Hand- 1. ii. p. 82 (1900). 



The eggs of the Pennant-winged Nightjar closely resemble those 

 of Macrodipteryx longipennis, but are larger and rather more 

 rufous in colour. Four examples measure respectively : 1*22 by 

 85 ; 1-18 by -79 ; 1-21 by -8 ; 1-15 by -8. 



2. Mazoe, Mashonaland, 25th Oct. J. Ffolliott Darling, Esq. [P.]. 



2. Mazoe, 6th Nov. J. Ffolliott Darling, Esq. [P.]. 



Genus NYCTIDROMUS, Gould. 



Nyctidromns albicollis (Gm.). 

 (Plate I. fig. 12.) 



Nyctidromus guianensis, ScL $ Salv. P. Z. S. 1864, p. 364. 

 Caprimulgus guianensis, Koenig- Warth. J. f. O. 1868, p. 379. 

 Nyctidromus albicollis, Scl. fy Salv. P. Z. S. 1866, p. 193; Hartert, Cat. 



Birds B. M. xvi. p. 587 (1892) ; Salv. 8f Godm. Biol Centr.-Amer., 



Aves, ii. p. 393 (1894) ; Nehrk. Kat. Eiersamml. p. 153 (1899) ; 



von Iherinq, Rev. Mm. Paulista, iv. p. 256 (1900) ; Sharpe, Hand-l. 



ii. p. 83 (1900). 



The eggs of the White-necked Nightjar are elliptical in shape, 

 moderately glossy. They are of two types of coloration. In one 

 the eggs are of a greyish-pink colour, spotted and mottled with 

 pale pinkish brown and underlying lavender-grey. In the other 

 they are cream-coloured, distinctly spotted with pinkish brown and 

 underlying lavender-grey. Specimens measure from 1*16 to 1'23 

 in length, and from '83 to '91 in breadth. 



2. Panama (McLeannari). Salvin-Godman Coll. 



1. Yucatan. Old Collection. 



2. S. America. W. Radcliffe Saunders, Esq. 



[R]. 

 1. British Guiana. Wi Ratcliffe Saunders, Esq. 



2. Pallatanga, Ecuador (L. Fraser). Salvin-Godrnan Coll, 



1. Ucayali River, Amazonia Crowlev Bequest. 



(E.EaHlett: Tristram Coll.\ 



1. Brazil (Nehrkorn Coll.}. Crowley Bequest. 



'2. Brazil. Crowley Bequest. 



