the Sobat and Baro Rivers. 607 
97. HaLcyYoN SENEGALENSIS. 
Halcyon senegalensis (Linn.); Grant & Reid, p. 677; 
Reich. i. p. 282 (1902). 
a. d. Kaig, March 3rd. 
&.. &. Polkom, March 24th. 
c. g vixadult. Hlea, March 25th. 
98. Hatcyon CHELICUTI. 
Halcyon chelicutensis (Stanl.) ; Grant, p.436; Butler, p. 356. 
Halcyon chelicutit Reich. ii. p. 271 (1902); Neumann, 
1905, p. 188. 
a. 2. Polkom, March 24th. 
b-f. 8 2. Hlea, March 25th. 
99. BuBo CINERASCENS. 
Bubo cinerascens (Guérin); Grant, p. 438; Butler, p. 362. 
Bubo maculosus cinerascens Reich. i. p. 656 (1901); Neu- 
mann, 1904, p. 373. 
a. 2. Kaig, March 6th; 
6. 2 imm. Polkom, March 28rd. 
c. @imm. Ibaga, March 27th. 
d. &. Lake Tinero, April 7th. 
These birds shew the grey phase of plumage. ‘The imma- 
ture specimens are rather more rufous than the adults. 
100. GLAUCIDIUM PERLATUM. 
Glaucidium perlatum (Vieill.); Grant & Reid, p. 680; 
Reich. i. p. 674 (1901); Butler, p. 361; Neumann, 1904, 
p. 37d. 
a. @. Lake Tinero, March 26th. 
101. Svrrx FLAMMEA. 
Strix flammea Linn.; Grant, p. 439; Butler, p. 360. 
Strix flammea maculata Brehm ; Reich. i. p. 676 (1901). 
a. 9. Elea, April 6th. 
102. Circus MACRURUS. 
Circus macrourus (Gmel.); Reich. i. p. 535 (1901); Neu- 
mann, 1904, p. 359. 
Circus macrurus Grant & Reid, p. 681; Butler, p. 370. 
a. dS. Khartum, January 3rd. 
