138 BircCONIDiE. PICIDiE. 



Genus MONASA, VieUl. 



Monasa nigrifrons (Spix). 



Monacha nigrifrons, Scl. Mon. Jacam. ^ Puff-birds, p. 159 (1879-82) ; id. 

 Cat. Birds B. M. xix. p. 206 (1891) ; Mhrk. Kat. EiersOmml. p. 170 

 (1899) ; von Ihcring, Rev. Mus. Pmdista,^v. p. 261 (1900). 



Monasa nignifroas, Sharpe, Hand-l. ii. p. 200 (1900). 



An egg of the Black-fronted Puff-bird in the Collection is sphe- 

 roidal in shape, smooth in texture, glossy and of a white colour. 

 It measures 1-03 by -9. 



1. Peru {Nehrkorn Coll.). Crowley Bequest. 



Genus CHELIDOPTERA, Oould. 



Chelidoptera tenebrosa (Pall.). 



Chelidoptera tenebrosa, Scl. Sr Salv. P. Z. S. 1866, p. 192 ; 1867, p. 583; 

 iSel. Mon. Jacam. Sr Fvff-birds, p. 161 (1879-82) ; id. Cat. Birds 

 B. M. xix. p. 207 (1891) ; Sharpe, Hand-l. ii. p. 200 (1900). 



The eggs of the Smaller Swallow-wing are spheroidal in shape, 

 smooth in texture, glossy and of a white colour. Three examples 

 measure respectively : -99 by 'T? ; "93 by "75 ; '93 by "8. 



2. Uoayali River, E. Peru, 10th Sept. P. L. Sclater, Esq. [P.]. 



{E. Bartlett). ' 

 1. Uoayali Eiver (^. B.). Crowley Bequest. 



Sub-Order PICI. 



The eggs of the Woodpeckers are typically of a broad oval form, 

 but some are of an elliptical and others of a spheroidal shape. They 

 are always plain white. The shell is fine and smooth, and in most 

 cases exhibits a large amount of gloss. 



Family TICIBM. 

 Sub-Family PICIN^. 



Genus 6E0C0LAPTES, Swains. 



Geocolaptes olivaceus {6m.). 



Geocolaptes olivaceus, Sharpe, ed. Layard's Birds S. Africa, p. 187 (1875- 

 84) ; Bvtler, Feilden 8f Meid, Zool. 1882, p. 208 ; Harqitt, Cat. Birds 

 B. M. xviii. p. 9 (1890) ; Sharpe, Hand-l. ii. p. 200 (1900). 



