138 BirCCONIi)^. PICID.'E. 



Genus MONASA, VieiU. 



Monasa nigrifrons (S^jLv). 



Monaclia nigrifrons, Scl. Mon. Jacam. ^ Puff-birds, p. lo9 (1879-82) ; id. 

 Cat. Birds B. M. xix. p. 206 (1891) ; NehrJc. Kat. Eiersamml. p. 170 

 (1899) ; von Iherimj, Rev. Mies. Paulista, iv. p. 2G1 (1900), 



Monasa nigrifrons, (SAarpe, Hund-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 (Nehrkurn Coll.). Crowley Bequest. 



Genus CHELIDOPTERA, Gould. 



Chelidoptera tenebrosa (PalL). 



Chelidoptera tenebrosa, Scl. cS- Salv. P. Z. S. 18G6, p. 192 ; 1867, p. 683; 

 Scl. Mon. Jacam. ^ Pvff-birds, p. 101 (1879-82) ; id. Cat. Birds 

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



The eggs of tlie Smaller Swallow-w^ing are spheroidal in shape, 

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

 measure respectively : '99 by '77 ; '93 by 'To; -93 by '8. 



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



(E. Bartlett). 

 1. Ucayali Kiver {E. 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 PICID.E. 

 Sub-Family PICINiE. 



Genus GEOCOLAPTES, Swains. 

 Geocolaptes olivaceus (Gm.). 



Geocolaptes olivaceus, Sharpe, ed. LayarcTs Birds S. Africa, p. 187 (1875- 

 84) ; Bf'tler, Feilden 8f Beid, Zool. 1882, p. 208 ; Harc/itt, Cat. Birds 

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



