Two Neiv Species of Marsupials. 223 



than the body, the ventral being slightly lighter than the dorsal 



surface. 



Pouch slightly developed and formed by two lateral folds of 



skin. Within the pouch area the hairs are comparatively scanty 



and white in colour ; external to the pouch area the hairs ai'e 



dark coloured for their basal two-thirds the pouch area being 



thus clearly marked out, and the folds being doubtless more 



prominent when young are present. Mamma? six (three on each 



side). 



-r, ,.,. . 1.2.3.4 1 , 1.0.3.4 1.2.3.4 



Dentition .. -^-^^. .. -. /. ^^^^ m. ^^^-. 



Dimensions of Female (in al). 



Head and body ... .. 92 mm. 



Tail ... ... ... 77 „ 



Hind foot ... ... 14 „ 



Ear ... ... ... 13 „ 



Habitat. — Central Australia (Alice Springs). Terrestrial, 

 living in holes amongst rocks and under stones. 



The first specimen was found by Mounted Trooper South, of 

 Alice Springs, and by him presented to Dr. Stirling, for whom it 

 had been intended, who kindly handed it on for descj-iption to me 

 as officer in charge of the zoological department of the expedition. 



(2) Sminthflpsis psa/iu/Kp/iilus, sp. n. 



Size medium. Fur close, long, and fine. Dorsal surface 

 dark grey. A'entral surface of head and body white. Brownish 

 tinge on the thighs. Tail with short, stiflf whitish hairs dorsally, 

 and black hairs beneath increasing in length dorsally and vent- 

 rally at the tip, so as to form a slight crest. 



Ears large, reaching half-way between the eye and the pit of 

 the snout ; covered back and front with short stiff grey hairs. 

 Palms granulated with six unstriated, and not clearly outlined, 

 pads. 



Soles hairy ; the hairs covering the surface to the base of the 

 pads, with the exception of a narrow granulated central space, 

 reaching back from the pads to the hallux. Pads, three in 



