62 caprimulgid.t;. 



1. Northern Nigeria, W. Africa. J. F. Locler Svmonds, Esq. 



[P.J. 



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



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



Genus COSMETORNIS, Gray. 

 Cosmetornis vexillarius {Gould). 



Cosmetoruis vexillarins, Sharps, erl. Lnyard'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-l. ii. p. 82 (1900). 



The eggs of the Pennant-winged Nightjar closely resemble those 

 of Macrocliptenjx 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, 2.jth Oct. J. Ffolliott Darling, Esq. [P.]. 



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



Genus NYCTIDROMUS, Gould. 



Nyctidromus albicoUis {Gm.). 



(Plate I. fig. 12.) 



Nyctidromus guianensis, Scl. (^ Salv. P. Z. S. 18G4, p. 364. 

 Caprimulgns guianensis, Koenir/- Warth. J. f. O. 18o8, p. 379. 

 Nyctidromus albicoUis, Scl. Sf'Salu. P. Z. S. 1860. p. 193; Hartert, Cat. 



Birds B. M. xvi. p. .587 (1892) ; Salr. ^- Godm. Biol. Centr.-Amer., 



Aj>cs, ii. p. 393 (1894) ; Nehrk. Kat. Eiersamml. p. 15i3 i'1899) ; 



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



ii. p. 83 (1900). 



The eggs of t,he 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. 



Panama {McLennnan). Salvin-Godman Coll. 



Yucatan. Old Collection. 



S. America. W. Radclifte Saunders, Esq. 



[P.J. 

 British Guiana. W. Ratcliffe Saunders, Esq. 



[P-] 

 Pallatauga, Ecuador {L. Fraser). Salvin-Godman Coll. 



Ucavali River, Amazonia Crowley Bequest. 



(E. Barf left: Tristram Coll.). 

 Brazil (Av/z/'/.-or/; Coll.). Crowley Bequest. 



Brazil. Crowley Bequest. 



