368 BIRDS OF SOUTH AFRICA. 
352. Huirunpo FILIFERA. Wire-tailed Swallow. 
This fine Swallow has been obtained by Dr. Kirk in the Zambesi 
region, and a specimen was shot at Tete during the Livingstone 
Expedition. Senor Anchieta has also procured it at Gambos and 
at Capangombe in Mossamedes. It is distinguished from the 
other blue-backed species of South Africa by its entirely chestnut 
head. 
Fig. Gould, B. Asia, part xviii. 
353  HrIRUNDO GRISEOPYGA. Ashy-backed Swallow. 
The present species appears to be distributed over the greater 
part of Africa, but is nowhere very plentiful. It-is the sole repre- 
sentative of the second group of African Swallows, and has the 
lower back and rump as well as the crown dusky grey. It was 
originally discovered by Wahlberg in Natal, and has been recently 
obtained by Mr. T. E. Buckley in Suaziland. 
Adult.—Entire head, lower part of back, and rump brownish 
grey; middle of the back and wing-coverts dark blue; quills 
brownish black, glossed with dull blue; tail dull brown, glossed 
with blue; lores black; a narrow line of feathers extending back- 
wards over the eye, whitish ; cheeks and ear-coverts dull greyish- 
brown; under surface of body milky-white, the sides of the upper 
breast being greyish brown; bill and feet pale brown. Total 
length, 5:8 inches; wing, 3°9; tail, 3:3. 
Fig. Heugl. Orn. N. O. Afr. Tab, VII. 
354. Hrrunpo MONTEIRI. Monteiro’s Swallow. 
The third section of the South African Swallows comprises all 
those species which have the lower back and rumprufous. Of these 
the largest and finest species is Monteiro’s Swallow, which is dis- 
tinguished by the following characters from the other members of 
the rufous-backed section, viz., by its blue crown, rufous under- 
surface, whitish throat, and above all by its large size. 
The species was originally discovered by Mr. J. J. Monteiro in 
Angola, and it has since been found by Senor Anchieta at Capan- 
gombe and Biballa in Mossamedes, as well as at Humbe on the 
Cunene River. Mr. Andersson gives the following account of the 
bird in Damara Land :—“To the best of my knowledge this tine 
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