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 PACHYURUS, 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 - Ib. 



Note. The molar teeth, if correctly figured, would necessitate 

 the exclusion of this animal from the genus Mus 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. 2-26. 



25. Mus TAMARENSIS, //. & 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 



