16 NECTARINIID®. 
ARthopyga ignicauda (//odgs.). 
AKthopyga ignicauda, Shelley, Monogr, Nect. p. 45 (1876-80) ; Gadow, 
Cat. Birds B. M. ix. p. 25 (1884); Oates, Fauna Brit. Ind., Birds, 
il. p. 851 (1890); Sharpe, Hand-l. v. p. 89 (1906). 
Two eggs of the Fire-tailed Yellow-backed Sun-bird are of an 
elongate oval shape and devoid of gloss. The ground-colour is 
white, finely spotted and mottled all over with light reddish-brown. 
They measure respectively -75 by ‘49 and *73 by 49. 
2. Darjiling, 27th May. B. B. Osmaston, Esq. [P.]. 
Aithopyga gouldiz (Viv.). 
fEthopyga gouldiz, Shelley, Monogr. Nect. p. 41 (1876-80); Gadow, Cat. 
Birds B. M. ix. p. 27 (1884); Oates, Fauna Brit. Ind., Birds, i. 
p- 352 (1890) ; Baker, Ibis, 1896, p. 343; Sharpe, Hand-l. v. p. 39 
(1906). 
Two eggs of Mrs. Gould’s Yellow-backed Sun-bird are of a broad 
oval form and devoid of gloss; the ground-colour is white, with 
spots and small blotches of umber-brown and dull lavender all over 
the shell, but concentrating towards the larger end so as to form a 
wide zone. They measure respectively *56 by “44 and °5 by -44. 
2. Laisung, North Cachar, 17th May. _-E. C. Stuart Baker, Esq. [C.]. 
Aithopyga dabryi ( Verr.). 
Mthopyga dabryi, Shelley, Monogr. Nect. p. 39 (1876-80) ; Gadow, Cat. 
Birds B. M. ix. p. 28 (1884); Oates, Fauna Brit. Ind. , Birds, ii. 
p. 353 (1890); Baker, Lbis, 1896, De 34.1; Sharpe, Hand-l. v. p. 39 
(1906). 
Twoeggs of Dabry’s Yellow-backed Sun-bird are of a broad oval form 
and devoid of gloss; the ground-colour is white, spotted and blotched 
with reddish-brown and dull violet-brown, most of the markings 
concentrating so as to form a wide irregular zone round the larger 
end. They measure respectively °55 by -42 and °53 by 41. 
2. Hungrum, N. Cachar, 25th June. K. C. Stuart Baker, Esq. [C.]. 
Aithopyga bella, Tweedd. 
AMthopyga bella, Shelley, Monogr. Nect. p. 77 (1876-80); Gadow, Cat. 
Birds B. M. ix. p. 29 (1884); Ogilvie-Grant § Whitehead, Ibis, 
1898, p. 242, pl. v. tig. 10; Sharpe, Hand-l. vy. p. 40 (1906). 
The eges of the White-breasted Yellow-backed Sun-bird are of 
a regular oval shape and devoid of gloss, They are pinkish-white, 
blotched with lilac-red and chestnut-brown, especially at the broad 
end, where the markings are larger and confluent. In addition, 
