TRICHOSURUS. rafg 
Dimensions.—Head and body about thirty-two inches. 
Habitat.—Eastern Australia. 
References.—Thomas, B. M. Catal. p. 210; Gould, Mamm. 
Austr. i. pls. xiii. (head), xiv. 
Subfamily I[.—PHaLancERinas. 
Australian Opossums. : 
Tail well developed, generally prehensile. Muzzle short and 
broad. Tongue not extensile. No cheek-pouches. Cocum 
present, large. Stomach simple. Teeth large. 
Genus IL—PHALANGER, Storr (1780). 
Size large or medium; form stout. Fur thick and woolly. 
Ears medium or short. Flanks without flying-membrane. Fore 
toes subequal, their lengths in the following relative order— 
4, 3, 5, 2, 1. Claws long, stout, and curved. Soles naked, 
striated ; pads large and ill-defined. Tail strong, its terminal 
portion naked all round, smooth or granulated, prehensile. 
Mamme four. 
Dentition.—I. +25, C. % P. foep M. ey—16+4 x 2=40. 
Habits.—Arboreal ; phytophagous. 
1. PHALANGER MACULATUS, ZL. Geoffroy, sp. (1803). 
Spotted Cuscus. 
Size large. Fur soft. Top of muzzle above rhinarium thinly 
haired. Ears small, thinly clothed both inside and outside with 
soft woolly hair. General colors above various combinations of 
white, rufous, and black; below white tinged with yellow or 
rufous. Tail generally deep yellow, furry from one-half to three- 
fourths of its length above, and from one-third to one-half below. 
Dimensions.—Head and body about twenty-six inches ; tail 
about nineteen inches. 
Habitat.—Northern Australia (Cape York District); Southern 
New Guinea ; Austro-Malayan subregion from Saleyer eastward. 
References.—Thomas, B. M. Catal. p. 197, pl. xxi. fig. 2 (ear); 
Gould, Mamm. Austr. i. pl. xxi. (@ ). 
Genus III.—TRICHOSURUS, Lesson (1828). 
Size large ; form stout. Fur thick and woolly. Ears medium 
or short. Flanks without flying membrane. Fore toes subequal, 
their lengths in the following relative order—4, 3, 2, 5, 1. 
Claws large and strong. Soles thickly hairy under the heels ; the 
rest naked, with low rounded ill-defined pads. Tail strong, its 
