=I 
(3h) 
eon NES DIK-DITK. 
MADOQUA SWAYNEI, Taos. 
Neotragus saltianus (in part), Swayne, P. Z. S. 1892, p. 307. 
Madoqua swaynei, Thos. P. Z. S. 1894, p. 328 (Berbera) ; Hoyos, Zu den Aulihan, 
p- 185 (1895) ; Swayne, Somaliland, p. 318 (1895). 
VERNACULAR Names :—Guyu of Somalis (Swayne), and, with the other Somali Dik-diks, 
Sakdro as a generic name (Swayne). 
Similar in almost all respects to MW. saltiana, but considerably smaller. 
Back grizzled grey. with a fulvous suffusion. Sides not, or scarcely, more 
rufous than back. Limbs pale rufous. 
Skull like that of J. saltiana, but much smaller. Basal length (male) 
3°06 inches, greatest breadth 1:9, muzzle to orbit 1:6, tip of nasals to tip of 
premaxille 1:03. 
Hab. Northern half of Somaliland. 
In Northern Somaliland the place of Salt’s Dik-dik appears to be taken 
by two other forms, which were first discriminated by Thomas in an article 
upon these dwarf Antelopes read before the Zoological Society in April 1864. 
The present species Thomas named after the enthusiastic naturalist and 
sportsman Capt. H. G. C. Swayne, R.E., who called Thomas’s attention to its 
distinctness, and who first furnished the National Collection with specimens. 
Swayne’s Dik-dik is, perhaps, of somewhat doubtful position in the genus. 
In colour it nearly resembles the larger Abyssinian species Madoqua saltiana, 
but is at once distinguishable by its smaller size. In stature it agrees more 
nearly with the next species, Phillips’s Dik-dik, of which it may hereafter 
possibly be shown to be a feebly coloured variety. Capt. Swayne, however, 
VOL. II. L 
