130 BIRDS OF SOUTH AFRICA. 
on the sides of the head and face with clearer grey ; rest of under sur- 
face of body white, including the under wing- and tail-coverts; the 
inner lining of the quills black. Totallength, 23 inches; wing, 9°0; 
tail, 9°5; tarsus, 1°95. 
Mr. Andersson gives the accompanying note on the soft parts :— 
“The irides are nut-brown; the legs and toes brown horn-colour; 
the bill which is much longer, broader, and stronger in the male than 
in the female bird, is yellowish red, darkest towards the extremities 
of the mandibles, which are dark purple, that tint being also some- 
times apparent on other parts of the bill as well.” 
Fig. Hartlaub, P. Z. 8. 1865, pl. 5. 
121. Tockus FLAVIROSTRIS. Yellow-billed Hornbill. 
Although specimens of this bird from South Africa were separated 
by Dr. Hartlaub under the title of 7’. elegans, we have been unable 
to find any difference between them and other examples from 
North Eastern Africa, and we believe that Dr Hartlaub now concurs 
in their specific identity. The Yellow-billed Hornbill, though not 
included in the first edition, occurs in Natal, as Captain Shelley, 
during his late visit to that colony, met with some very large 
flocks to the east of the Umgeni, but did not see it elsewhere. 
Mr. T. E. Buckley states that Hornbills were very common from the 
North of the Transvaal through the Bamangwato country, and a pair of 
the present species were collected by him in the Transvaal on the 
7th July, 1873. Mr. Ayres also says that it is tolerably plentiful 
throughout the bush country of the Transvaal, being mostly found 
in small flocks. He states that it feeds principally on fruits. Mr. 
Andersson writes :—“ This species is the most common of the Horn- 
bills in the middle and southern parts of Damara Land. It is found — 
singly, or in pairs, and being a comparatively fearless bird, is easily — 
killed, especially during the heat of the day, when it invariably perches 
on or near the top of a lofty tree (where such are to be found,) and 
will remain for hours in this situation, keeping up, with short inter- 
missions, a kind of subdued chattering note of Toc Toe Tée Tocké — | 
Tocké Tocké Toc, in a tone not unlike the quick yelping of young — 
puppies, and accompanied at intervals by a flapping and raising of its 
wings and an alternate lowering and erecting of its head.” Anchieta | 
has procured it at Capangombe, and Mr. Monteiro met with it in~ 
Benguela. 
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