6. AlsriEOHINOMTS. 



307 



Shull very similar to that of S. murina, except that it is slenderer 

 and more slightly built. 



Teeth (PI. XXV. fig. 10) as usual; the canines very small, the 

 upper premolars evenly increasing in size backwards. Lower p.* 

 very slightly smaller than p.' 



Bimensiona^ 



J. s- 



e (in spirit), a (in spirit), 



millim. millim. 



Head and body 85 75 



Tail 53 52 



Hind foot 14-6 14-5 



Ear 14 12-5- 



Skull, see next page. 



Hah. Whol« of Australia (not yet recorded from the extreme' 

 north). 



Type in collection. 



a. Ad. al., $ . Queensland. Puichased. 



b. Ad. sk., 9 . Darling Downs (J. CHlbert). Liverpool Museum 



[E.]. (Gould Coll.) 

 e. Skull. Darling Downs (/. Gilbert). Gould Coll. 



(6 and c, co-types (with c? in Liverpool Museum) of S. macrm-a.') 

 , J Ad. sk. I , Darling R., N. S. W. Capt. Sturt [P. & C.]. 



"'• j Skull. \^- 



e,/ Ad. al., cf 5. Melbourne. Purchased. 



g. Ad. sk., cT • S. Australia. Sir G. Grey [P. & 0,].- 



h. Ad. sk., c?.^ Williams R., W. A. (J. Gould Coll. 



Gilbert). (Ty^e of species.), 



i. Ad. sk., 5 .. West Australia. Purchased. 



■ jAd. al. I „ No history. 

 '■ ] Skull., f ? •• 



6. ANTECHINOMYS. 



Antechihomys, Xreffi, P. Z. S. 1866, p. 434 . . . 



Type; 

 A. laniger; 



Size small, general build slender, jerboa-like. Ears very large.. 

 Metatragus large and thin, projecting backwards distally. Tail 

 very long, tufted. Limbs unusually elongated, the forearm,, lower 

 leg, and hind foot being aU disproportionally long ; toes short, 

 subequal ; hallux entirely absent ; palms and soles without distinct 

 pads, the latter hairy for the greater part of their length. 



Shull much as in Sminthopsis, but broader in proportion to its 

 length, and, in correlation to the increase in size of the ear, the 

 bullae are very much larger and more swollen, and their mastoid 

 portion is also inflated. 



x2 



