416 MR. R. I, POCOCK ON PHOTOGRAPHS OF (Apr. 27, 
and has obviously been tamed, and may have been transported to 
various places in South Africa. A point to be noticed in the 
photograph is the wavy nature of the stripes on the hind-quarters 
and the unusually marked indication they show of the tendency 
to break up into spots, which is carried to a greater extreme in 
the typical Quagga. Shadow-stripes are just traceable up to the 
withers, and a few well-defined ones are observable on the neck 
close to the mane. 
“This animal supplies one more link in the chain of evidence 
showing that the true Quaggas and so-called Burchell’s Zebras 
are but local races of one and the same species. 
“ Similarly the second photograph (text-fig. 49) shows an animal 
almost intermediate in pattern between Burchell’s Quagga and 
Text-fig. 49. 
Wahlberg’s Quagga (Hquus quagga wahlbergi). 
Chapman’s Quagga, and supplies a stumbling-block in the way of 
those zoologists, if any remain, who hold that a specific distinction 
exists between H. quagga burchelli and EF. quagga chapmanni. 
The animal depicted is a specimen of the little-known Wahlberg’s 
Quagga (L. quagga wahlbergi), which I described some years ago 
