52 MACROPUS. 
3. Macropus EUGENI, Desmarest, sp. (1817), 
(Halmaturus derluanus, Gould.) 
Size small; form light and graceful. Rhinarium ending 
some distance from the mouth. Fur rather short in mainland, 
longer in island, specimens. General color above grizzled gray 
with rufous shoulders ; below white or grayish-white. Generally 
an indistinct white cheek-stripe. Hars long in mainland, short in 
island, specimens, dark gray. An ill-defined dark streak from the 
occiput to the back. Shoulders, sides of neck, and arms rufous. 
Hands, feet, and tail gray; nearly black at their extremities. 
Dimensions.—Head and body from about twenty-four inches in 
mainland to twenty-eight in island examples; tail about seventeen 
inches in both forms. 
Habitat.—Mainland of Western Australia; Islands off the coast 
of West and South Australia. 
References.—Thomas, B.M. Catal. p. 54, pls. vii. fig. 3 (apper 
view of skull), x. fig. 10 (fourth premolar), and xi. fig. 3 (rhinarvwm); 
Gould, Mamm. Austr. ii. pls. xxix., xxx. 
4. Macropus parma, lWaterhouse (1846). 
White throated Wallaby. 
Size small. Essential characters as in JM. ewgenii, but with 
the back more rufous, not contrasting with the nape. White 
cheek-stripe and brown nuchal stripe clearer. Front of throat 
pure white, sharply contrasting with sides of neck. Belly grayish- 
white. Ears short their backs rufous gray. 
Dimensions.—Head and body about twenty-six inches; tail 
about seventeen inches. 
+ Habitat.—New South Wales. 
References.—Thomas, B.M. Catal. p. 57, pls. ix. fig. 5 (upper 
incisors) and x, fig. 11 (fourth premolar); Gould, Mam. Austr. 11. 
p. XXVill. 
5, Macropus THETIDIS, Lesson (1827). 
Pademelon. 
Size small; form light and agile. Rhinarium broad to the 
lip, the latter little developed. Fur of medium length, thick and 
soft, its direction on the neck variable, sometimes directed for- 
wards. General color above grizzled gray, the neck rufous ; below 
white. No nuchal streak. Ears long, their backs gray, edged 
anteriorly with brown or black. Sometimes a faint light hip- 
stripe. Arms and legs gray or rufous; hands and feet pale brown. 
Basal fourth of tail gray; the remainder brown above, white 
below. 
