424 
AFRICAN GAME ANIMALS 
which is an association founded upon horn and skull 
characters and not known to possess distinctive dental 
characters of much weight. It is highly improbable that 
the eland, if it did exist in America, lingered as late as the 
Pleistocene. Gidley’s specimen doubtless represents a genus 
allied to the eland but peculiar to America. 
Key to the Genera 
Only males bearing horns 
Horns curved in a narrow spiral, triangular in cross-section and 
seldom exceeding the head greatly in length 
Hoofs normal; tail bushy; ears larger Tragelaphus 
Hoofs greatly lengthened; tail tufted; ears smaller 
Limnotragus 
Horns curved in a wide open spiral, circular in cross-section, 
greatly exceeding the head in length 
Male with a long throat mane; throat uniform in color 
Strepsiceros 
Male without throat mane; a white patch on forethroat and 
another on chest Ammelaphus 
Both sexes horned 
Horns curved in an open spiral, broadly elliptical in cross-section 
and flattened, without a keel; coloration rufous 
Boocercus 
Horns closely spiral, circular in cross-section and furnished with 
a prominent, rounded keel; coloration grayish or ful¬ 
vous Taurotragus 
Bushbucks 
Tragelaphus 
Tragelaphus De Blainville, 1816, Bull. Soc. Philom., p. 75; type T. sylvaticus 
of South Africa. 
The bushbucks are medium-sized antelopes in which 
the males are armed with short, spiral horns, the females 
being hornless. The horns seldom exceed the head much in 
length and are furnished with a wide keel which gives them 
