(hi WW Aiislraliun Miuid.'O. (J07 



Vfry large. In proportion to the dc^velopiiictit of this ciis[) 

 tlie Inininju arc tlicmselvi's tiltoil backwards internally, while 

 the ou(er cnsp.s are rciJuccd in size. 



Type. Pseudomys [Lrggadhia) foiresli {Mas forresti\ 



Thos.). 



Other species : — 



Ps. ({elicatulus, Goulil. 



J's. /lennannshurjenais, Waite, 



J's. i>u(n'us^ Tho:^. & Dollni. 



4, CiYOMYS, subg. u. 



Size small. Skull as in Leggaiiina. 



Molars 'inite normal; no anterior cingular cusp on m*, and 

 the molar lauiiu.'u quite of the usual murine shape and 

 position. 



Type. Pseudomys {Gyomys) )iov<e-hollandue {Mus nocce- 

 hollaudice, Waterh.). 



Other species : — Ps. fdbo-cinereus, Gould, and 8ubs|). 

 squa/ontm, Thos. Ps. [Gyomys) glaucus^ sp. n. (described 

 in succeeding paper). 



LXV. — New Australian Muridte of the Genus Pseuilomys. 

 By Oldfield Thomas. 



(Published by permission of the Trustees of the British Museum.) 



In working out the genera of Australian Murida3 the 

 following new species have come to light : — 



Pseudomya auritus^ sp. n. 



Ilapalotis murinus, Gould, Mamm. Austr. vol. iii. pi. vii. (1855) ; nee 

 id. P. Z. S. lb4o, p. 78. 



A large species with long ears. 



Size largest of the genus. General appearRnce very much 

 as in Ps. lineolatus^ but the ears conspicuously longer. Fur 

 long, soft, and thick; the wool-hairs of back about 14 mm. 

 in length, tlie longer hairs surpassing them by about ri'o mm. 

 General colour dark fawn-grey, heavily darkened on the back 

 by the blackish tips of the longer hairs. Under surface 

 soiled buffy, the hairs dark slaty for two-thirds their length, 

 their ends "pinkish buff" ; no line of demarcation laterally. 

 Ears very long; proectote black with greyish-white tip, 

 sparse hairs of metentoto also greyish white. Hands and 



