315 



Pycnonotus capensis (Linn.). 



Ixos capensis, Thien. Fortpflanz. ges. Vog. tab. xxvii. figs. 13, a, b, c 



(1845-54). 

 Pycnonotus capensis, Sharpe, ed. Layard 1 s Birds S. Africa, p. 207 (1875- 



84) ; Dresser, Birds Eur. iii. p. 361 (1875) ; Sharpe, Cat. Birds 



B.M.vi. p. ]30 (1881); Nehrk. Kat. Eiersamml. p. 44 (1899); 



Sharpe, Hand-l iii. p. 329 (1901) ; Stark, Birds S. Africa, ii. p. (31 



(1901). 



The eggs of the Cape Yellow-vented Bulbul in the Collection are 

 of various types, and measure from -8 to -92 in length, and from 

 62 to -7 in breadth. 



2. S. Africa. E. L. Layard, Esq. [P.]. 



3. S. Africa (E. L. Layard: Tristram Crowley Bequest. 



Coll.). 



4. S. Africa. Crowley Bequest. 



Pycnonotus layardi, Gurnty. 



Pycnonotus mgricans (nee F.), Gurney, Ibis, 1860, p. 209. 



Pycnonotus layardi, Gurney, Ibis, 1879, p. 390 ; Sharpe, Cat. Birds 



B.M.vi.y. 132 (1881); Nehrk. Kat. Eiersamml. p. 44 (1899); 



Marshall, Ibis, 1900, p. 229 ; Sharpe, Hand-l. iii. p. 329 (1901) ; 



Stark, Birds S. Africa, ii. p. 63 (1901). 



The eggs of Layard's Yellow-vented Bulbul in the Collection are 

 closely alike and of the densely-spotted type of coloration. They 

 measure from *86 to '96 in length, and from '62 to 65 in breadth. 



3. Natal. T. Ayres, Esq. [C.]. 



3. Natal. T. Ayres, Esq. [C.]. 



Pycnonotus nigricans ( Vieill.). 



Pycnonotus nigricans, Andersson, Birds Damara-l. p. 119 (1872) ; Sharpe, 

 Cat. Birds B. M. vi. p. 134 (1881) ; id. Hand-l. iii. p. 330 (1901) ; 

 Stark, Birds S. Africa, ii. p. 64 (1901). 



The eggs of Yieillot's Yellow-vented Bulbul in the Collection are 

 speckled and also marked with small blotches. They measure 

 respectively : -93 by '67; -8 by -62; -82 by -63. 



3. Ondonga, Ovampo-land, April ( C. J. Crowley Bequest. 

 Andersson: Tristram Coll.). 



Pycnonotus xanthopygus (Hempr. <$f Ehr.). 

 (Plate X. fig. 19.) 



Ixos xanthopygius, Tristram, Ibis, 1859, p. 30 ; 1865, p. 81 ; 1866, 



p. 292. 

 Pycnonotus xanthopygus, Dresser, Birds Eur. iii. pi 357 (1875) ; Sharpe, 



Cat. Birds B. M. vi. p. 135 (1881) ; Nehrk. Kat. Eiersamml. p. 44 



(1899) ; Sharpe, Hand-l. iii. p. 330 (1901). 



