a^7. Centre line of face decidedly darker than flanks. Dorsal line from nape.
a^8. Sternal region and back of hams white. Tail tufted at tip 25. C. leucogaster.
b^8. Sternal region and back of hams as dark as or darker than the body. Tail evenly haired, not tufted 26. C. dorsalis.
b^7. Face uniformly rufous yellow, like the flanks. Dorsal line from withers 27. C. ogilbyi.
b^6. Tail nearly wholly black; back of hams also black. 28. C. callipygus.
b^4. Darker markings bluish grey.--W. Africa. 29. C. rufilatus.
b^2. Back transversely banded. Heels with tufts.--W. Africa. 30. C. doriae.
b^1. General colour smoky brown or blackish.
a^2. Size larger; hind foot 8·25. Face more rufous than body.--W. Africa 31. C. niger.
b^2. Size smaller; hind foot less than 7·5 in. Face like back.
a^3. Legs greyish brown, like body.
a^4. Rump not particoloured.--Sierra Leone. 32. C. maxwelli.
b^4. Rump particoloured.
a^5. Belly usually lighter than back; female horned.--Cameroons; Zanzibar 33. C. melanorheus.
b^5. Belly not or little lighter than back; female hornless.--Uganda 34. C. æquatorialis.
b^3. Legs rufous; rump not particoloured.--S.E. Africa. 35. C. monticola.
B. Horns, when present, slanting upwards at a sharp angle above the nasal profile; females normally hornless. Ears long, pointed, their length equal to or exceeding the distance from the eye to the rhinarium. General colour yellow or greyish; no darker markings on the body, but a brown nasal patch present. (TRUE DUIKERS.)
a. Size smaller: hind foot less than 9 in.; basal length of skull less than 5·5.
a^1. Colour bright yellow.--W. Africa 36. C. coronatus.
b^1. Colour grizzled greyish brown.--Abyssinia 37. C. abyssinicus.
b. Size larger: hind foot more than 9·5 in.; basal length of skull more than 6·0.--Southern Africa 38. C. grimmi.
THE BOOK OF ANTELOPES, PL. XIII.
J. G. Keulemans del. J. Smit lith. Hanhart imp.
The Yellow-backed Duiker.
CEPHALOPHUS SYLVICULTRIX.
Published by R. H. Porter.]
THE BOOK OF ANTELOPES, PL. XIV.
Smit lith. Hanhart imp.
The Book of Antelopes, Vol. 1 (of 4) · The Wunder Library — complete classics, free to read, with narration.