258 ALLEN’S NATURALIST’S LIBRARY. 
Baboons are confined to the African continent and to 
Arabia, to the region, indeed, termed Ethiopian, as defined 
by Sclater and Wallace. They live chiefly on the ground, 
especially in rocky and barren hills, and less frequently among 
trees, for which their equally long front and hind limbs are not 
so well adapted. Mr. H. H. Johnson, C.B., now H.M. Com- 
missioner in Nyasa-land, found, however, on his Kilimanjaro 
Expedition, that Baboons were singularly abundant in the big 
trees at Taveita, on the rise to that mountain. Their food consists 
of fruits and Lizards, but principally of insects, which they 
search for under stones, turning these over with their hands. 
They are, indeed, nearly omnivorous, as the reader will have 
gathered from Dr. Hol.b’s observations. 
I. THE MANDRILL. PAPIO MAIMON. 
Simia matmon, Linn., Syst. Nat., p. 35 (1766). 
Simia mormon, Altstr., Acta. Noem., p. 144, pl. 3 (1766). 
Papio maimon, Erxl., Syst. Regne Anim., p. 17 (1777); Schl., 
Mus. Pays Bas, vii., p. 130 (1876). 
Cynocephalus mormon, Fr. Cuvier, Hist. Nat. Mammif., pp. 
143, 146, pls. 52, 53 (1807). 
Papio mormon, Geoffr., Ann. Mus., xix., p. 104 (1812). 
Mormon maimon, Gray, Cat. Monkeys, Brit. Mus., p. 36 
(1870). 
Characters. —Male. —Body massive and strong; trunk declin- 
‘ing backwards ; head disproportionately large ; muzzle much 
elongated and protruding, with large longitudinal rugose 
swellings along each side when full grown ; mouth large, and 
with very animal-like lips ; brows strongly projecting over the 
base of the nose and the small, approximated, deep-set eyes ; 
