ACBOBATES. 



137 



p. 414 (1827) ; Wcderh. Cat. Mamm. Mm. Z. S. p. 68 (1838) ; 



Gratf, Grey's Austr., App. ii. p. 402 (1841) ; Less. N. Tabl. R. A., 



Mamm. p. 189 (1842) ; Gray, List. Mamm. B. M. p. 83 (1843); 



Gould, Mamm. Austr. i. pi. xxviii. (animal) (1849) ; Gej-v. H. N. 



Mamm. ii. p. 277, flg. (skuU) (1855); Gerrard, Cat. Bones 



Mamm,. B. M. p. 119 (1862) ; Er^t, Cat. Mamm. Austr. Mm. 



p. 41 (1864); id. Mamm. Aiistr. text to pi. vii. p. 3 (1871); 



Brekm, Thierl. ii. p. 574, fig. (animal) (1880) ; Bobs. J. Anat. 



Phys. xvii. p. 151 (1882) ; Coll. Zool. Jahrb. ii. p. 933 (1887). ' 

 Petaurista pygmsea, Gray, Griff. Cuv. An. K. v. p. 200 (1827). 

 Petaurua pygmasus, Less. Diet. Class. d!II. N. xiii. p. 289 (1828) ; 



J. B. Fisch. Syn. Mamm. p. 279 (1829) ; Less. S. N. Mamm. 



(Compl. Buff.) iv. p. 444 (1830); Wagn. Schr. Saug. Siipp. iii. 



p. 91 (1843), V. p. 280 (1856) ; Schinz, Syn. Mamm. i. p. 634 



(1844); Owen, Odontogr. AX\. pi. c. fig. 6 (lower jaw) (1845); 

 • Gieb. Odontogr. p. 42, pi. xviii. fig. 5 (teeth) (1865) ; id. Saug. 



p. 702 (1859) ; Omen, Anat. Vert. ii. p. 335,fig.219 (skull) (1866) ; 



Jent. Cat. Ost. Leyd. Mm. p. 317 (1887). 

 Petaurus (Acrobates) pygmseus, Waterh. Jard. Nat. Libr., Mamm. 



xi. p. 293, pi. XXX. (animal) (1841) ; id. N. H. Mamm. i. p. 339, 



pi. xix. fig. 5 (skuU) (1846). 

 Dromicia frontalis, Be Vis, P. Linn. Soc. JV. S. W. (2) i. p. 1134 



(1887). 



PlSMT FlYUfS-PHAIiAWGEE. 



Perm very light and delicate. Fur soft, straight and silky. 

 General colour greyish brown *. Rhinarium naked, well defined, 

 with two well-marked lateral notches below. Face fawn, an ashy 

 tinge often present on the tips of the hairs ; area round and just in 

 front of eyes brown. Whiskers very numerous ; well-marked tufts 

 of hairs also growing from a spot just behind the eye, from the 

 metatragus, the antitragus, and from two other fleshy projections 

 within the ear-conch. Ears of medium size, laid forward they 

 reach to about the centre of the eye, their inner surfaces and edges 

 with fine elongated hairs, their outer with short, anteriorly fawn, 

 and posteriorly white hairs. Centre of back fawn, with a more or 

 less ashy tinge ; sides, including upper surface of parachute and 

 outer sides of limbs, slaty grey. Anterior and posterior sides of 

 limbs, and all along the edges of the parachute, prominently fringed 

 with longer hairs. Whole of under surface to the edges of the 

 parachute and inner sides of limbs white, the hairs sometimes grey 

 basaUy. Pouch distinct, extending below the outer skin forwards 

 and laterally for some distance. Mammse 4. Combined urogenital 

 and anal opening placed on an eminence, although not tubular as in 

 Tarsipes. Hands and feet brown above. Lengths of anterior toes 

 in the following order — 4, 3, 2, 5, 1, but none of them dispro- 

 portionaUy exceeding the others. PoUex with a slight tendency to 

 opposability. Palms naked, with four broad low pads ; tips of toes 

 with enormous broadened and flattened pads, finely striated longi- 

 tudinally (see PI. XV. fig. 2) ; claws thin and sharp, but scarcely 



* The figures in Gould's ' Mammals of Australia ' are coloured of much too 

 deep a grey. 



