112 MUS. 
Dimensions.—Head and body to two and five-eighths inches; 
tail to two and seven-eighths inches. 
Habitat.—Tasmania (Ringarooma). 
Reference.—Higgins & Petterd, Proc. Roy. Soc. Tas. 1882, 
p. 175, with plate, figs. 5, 5a. 
23. Mus pacuyurus, H. & P. (1883). 
Thick-tailed Rat. 
Ear moderate, rounded ; tail thick, sparsely clothed, much 
shorter than the head and body ; fur moderately long and rather 
soft. General color above dark brown, below paler, especially 
behind, where it is grayish-brown. Fore feet thickly clothed 
with long brown hair, hind feet moderately so ; tail brown. 
Incisors yellow at the tip, white at the base. 
Dimensions.—Head and body to six and three-fourths inches ; 
tail to four and one-eighth inches. 
Habitat.—Tasmania (Long’s Plains). 
Reference.— Higgins & Petterd, Proc. Roy. Soc. Tas. 1883, 
p. 182, with plate, figs. 1 - 10. 
Note.—The molar teeth, if correctly figured, would necessitate 
the exclusion of this animal from the genus J/us as now restricted. 
24. Mus castaneus, H. & P. (1883). 
Chestnut-colored Rat. 
Form very robust. Ears broad and roundly pointed; tail 
much shorter than the head and body ; fur very long, dense, and 
soft. General color above chestnut, interspersed with longer 
black hairs, below yellowish-ash ; nose, chin, and throat leaden- 
gray ; fur on the cheeks excessively long and bushy ; tail brown 
above, lighter below ; hands and feet leaden-gray. Upper 
incisors orange, lower yellow. 
Dimensions.—Head and body to six and three-fourths inches ; 
tail to four and three-eighths inches. 
Habitat.—Tasmania (Long’s Plains). 
Reference.—Higgins & Petterd, Proc. Roy. Soc. Tas. 1883, 
p. 185, with plate, figs. 2 - 20. ; 
25. Mus ramarensis, H. & P. (1883). 
Tasmanian Water Rat. 
Ears rounded ; tail a trifle shorter than the head and body ; 
fur somewhat coarse and moderately long. General color above 
