510 OLDFIELD THOMAS 
Skull strongly built, muzzle convex above. Nasals narrow , 
but slightly expanded behind, their greatest barely double their 
least breadth. Palate long and narrow. 
Pm — unusually large and strong, much larger than pm 
above, and as large as the anterior premolar below, i. e.—. 
Lateral incisors small and narrow, i-+. slightly the broadest. 
Molars of medium size, ms 22 7.5mm. 
Hab. Aru Island. 
11. Ph. minutissima, Gounp. 
Antechinus minutissimus and maculatus, Gould, P. Z. S. 1851, p. 284. 
Size very small. Ears of medium size. Tail rather shorter 
than head and body, short-haired throughout. Hallucal foot-pad 
divided. Mamma 8. 
General colour and appearance almost precisely the same as 
those of Mus musculus. Head and body mouse-grey. Belly 
rather paler, chin white. Tail brown above, rather paler below. 
Feet pale brown. 
Skull short and stoutly built. Interorbital space broad, its 
edges smoothly rounded. Nasals much expanded behind, their 
greatest 2 !/, times their least width. 
Teeth proportionally strong. Pm. i large above medium be- 
low, i. e. 4. Lateral incisors cylindrical, equal. Molars = 3.7 
mm. Milk-premolar well-developed. 
Gould’s « A. maculatus » is founded on an abnormal partially 
albino specimen, now in the British Museum, and is unquestion- 
ably specifically identical with Ph. minutissima. 
Hab. Central Southern Queensland. 
