452 Mr. W. R. Ogilvie-Grant on 
157. Ardeola ralloides. 
Ardeola ralloides (Scop.) ; Sharpe, Cat. B. Brit. Mus. 
xxvi. p. 202 (1898). 
Herodias ralloides (Scop.) ; "VYitherby, p. 271. 
a. $ . Fashoda, 21st March. No. 152. 
A feniale Squacco Heron has the iris pale straw-coloured, 
the bill greyish yellow, the legs and feet olivaceous, the hinder 
part of the metatarsus and the soles of the feet yellow. 
158. BUBULCUS LUCIDUS. 
Bubulcus lucidus (Raf.) ; Grant & Reid, p. 687 ; N. C. 
Roths. & Wollast. p. 29. 
Herodias bubulcus (And.) ; Witherby, p. 272. 
n-c. ? et (^ imm. Kawa, 20th May. Nos. 529-531. 
Iris yellow ; bill and toes yellow; tibiae greenisli-yellow, 
shading into dusky on the lower part of the tarsi and feet. 
[I saw the Buff-backed Heron in small flocks. It is fairly 
common along the river. — R. M. H.] 
159. ^Ardetta minuta. 
Ardetta minuta (Linn.); Sharpe, Cat. B. Brit. Mus. xxvi. 
p. 222 (1898) ; Witherby, p. 272. 
[The Little Bittern was not common south of El-Kawa. 
I saw one pair near Kaka. — R. M. H.] 
160. "^Grus grus. 
Grus grus (Linn.) ; Grant, Ibis, 1901, p. 293. 
Grus cinerea Bechst. ; Witherby, p. 277. 
[Cranes were common in February between Ed-Duem 
and El-Kawa; but I saw none on my return in May. — 
R. M. H.] 
161. Balearica pavonina. 
Baleainca pavonina (Linn.) ; Sharpe, Cat. B. Brit. Mus. 
xxiii. p. 272 (1894) ; Witherby, p. 276. 
a,b. c? $ . Fashoda, 22nd March. Nos. 174 & 175. 
[This Crowned Crane was very numerous. It roosts in 
pairs, and, though generally one of the last birds to retire, 
starts off for its feeding-grounds just before dawn. It has 
a very aggravating cry, which sounds something like '^go 
wack.^^— R. M. II.] 
