222 



Phylloscopus bonellii ( VieilL). 



Sylvia bonellii, Thien. Fortpfianz. ges. Viiq. p. 1(36, tab. xix. fig. 12, a-c 



(1845-54); Bree, Birds'Eur. \\. p. 45, pi. (1867) . 

 Phyllopneuste bonelli, Baedeker, JEier Eur. Vog. tab. 19. fig. 6 (1855-63) ; 



Saunders, Ibis, 1871, p. 213. 

 Phylloscopus bonellii, Tristram, Ibis, 1859, p. 418 ; Bree, Birds Eur. 



2n(l ed. ii. p. 154, pi. (1875) ; Dresser, Birds Eur. ii. p. 503 



(1876); Seebuhm, Cat. Birds B.M. v.' p. 59 (1881) ; Irh/, Orn. Str. 



Gibr. 2nd ed. p. 63 (1895) ; Shmpe, Sand-l. iv. p. 213 (1903). 



The eggs of Bonelli's Willo-w-Warbler are similar to those of 

 P. sibilaior, and require no separate description. They measure 

 from 'So to -65 in length, and from '45 to '5 in breadth. 



{H. B. T). 

 2. Algiers, 4th June {H. B. T.). Crowley Bequest. 



Phylloscopus minor (Forst.). 



Sylvia rufa, Thien. Fortpflanz. ges. Vog. p. 164, tab. xix. fig. 10, a-c 



(1845-54) ; Heioitson, Eggs of Brit. Birds, i. p. 139, pi. xxxvi. fig. iv 



(1856). 

 Phyllopneuste rufa, Baedeker, EierEur. Vog. tab. 19. fig. 9 (1855-63). 

 PhvUopneuste sylvestris, Baedeker, t. c. tab. 19. fig. 8. 

 Phylloscopus collybita. Dresser, Birds Eur. ii. p. 485 (1879). 

 Phylloscopus rufus, Seebohm, Cat. Birds B. M. v. p. 60 (1881) ; id. Brit. 



Birds, i. p. 435, pi. 10 (1883) ; id. Eggs of Brit. Birds, p. 207, pi. 53. 



figs. 7 & 8 (1896). 

 Phylloscopus minor, Sharps, Hand-l. iv. p. 213 (1903). 



The eggs of the Chiffchaff are usually of a regular oval form, but 

 some are spheroidal. They possess a considerable amount of gloss. 

 The ground-colour is white, and the markings consist of fine dots, 

 small spots, and less frequently of small blotches. Many specimens 

 are marked entirely with fine specks of deep purplish brown, 

 almost black in its intensity : others with spots of reddish 

 brown, which are large and more numerous at the broad end, 

 where they often form an irregular zone. Eggs of both types 

 exhibit specks and spots of underlying lilac or violet-grey, which, 

 however, are generally very inconspicuous. Although some of the 

 eggs of the Chiffchaff are not separable from some of those of the 

 Willow-Wren, the eggs of the former species may generally be 

 recognized by the deeper colour of the markings, which are also 



