1387).] MR. R. B. SHARPE ON THE BIRDS OF ANGOLA. 149 
to the somewhat shorter wing and larger size. The following are 
the comparative measurements (in inches) of the two species :— 
Long. tot. al. rostr. 
Mert CIONCEUT. . AUER. so ne ons ai cn os 9°5 4:2 1-3 
2. L. icterus. R. Gambia.............. 10°0- 5-0 1:2 
3. DL. icterus. Casamanze.............. 10°0 4°8 Leg, 
Anh. icterus, W,. Africa... i... s<in-- 9°5 4°9 2 
The primaries in L. monteiri seem hardly to have attained their 
full growth. The specimen is marked a female. 
VIDUA PRINCIPALIS. 
Vidua principalis, Linn. ; anted, p. 144. 
Male. July 15th, 1869. 
This bird appears to be in full winter plumage, and agrees very 
well with a male bird in my collection, which was shot at Otjimbinque, 
Damara Land, by the late Mr. Andersson, on July 8th, 1866. 
Toccus MELANOLEUCUS. 
Toccus melanoleucus (Licht.) ; Bocage, Jorn. Acad. Lisb. ii. p. 45. 
Two males. July 4th, 1869. Eye red; beak red; feet black. 
IRRISOR ERYTHRORHYNCHUS. 
Trrisor erythrorhynchus (Lath.) ; Mont. Ibis, 1862, p. 334. 
Male. April 25th, 1869. Eye black; bill and feet red. 
HALCYON SENEGALENSIS. 
Halcyon senegalensis (Linn.) ; Sharpe, P. Z. 8. 1869, p. 568, e¢ 
Monogr. Alced. pt. 7. 
Two females. July 10th, 1869. Eye black; feet black. 
CERYLE MAXIMA. 
Ceryle maxima (Pall.) ; Sharpe, Monogr. Alced. pt. 6. 
Male. July 8th, 1869. Eye black; bill and feet black. 
CENTROPUS SUPERCILIOSUS. 
Centropus superciliosus, Hempr.; anted, p. 145. 
Five males. April 18th—2Ist, 1869. 
+CiIRCAETUS CINERASCENS. 
Circaétus cinerascens, Von Mill. Naum. 1851, Heft iv. p. 27, e¢ 
Deser. Nouv. Ois. d’Afr. pl. 6 (1853). 
Circaétus zonurus, Pr. Wirt. MS.; Heugl. Syst. Uebers. p. 8 
(1856), et Orn. N. O. Afr. i. p. 86, tab. 3 (1869). 
Male. January 28th, 1869. Eye red; feet yellow. 
It seems to me a manifest injustice to Baron von Miller, who 
duly published a description of this bird in 1851, to allow his name 
to be superseded by the MS. name of the Duke of Wiurtemberg, 
