LIST OF AUSTBALASIAN AND AUSTBO-PACIFIC MV BID AE.— LONGMAN. 39 



Genus LAOMYS, Thomas. 

 " The species of this genus are remarkable-looking animals, quite unlike 

 ordinary Muridse, and more suggesting members of the South- American Octodontinse." 



Laomys woodwardi, Thomas. 



1909. — Laomys woodwardi, Thomas, Ann. Mag. Nat. His., iii, p. 373. 

 Habitat : Kimberley, N. W. Australia. 



Laomys pedunculatus, Waite. 



1896. — Conilurus pedunculatus, Waite, Horn Exped., ii, p. 395, fig. 1, a-f. 

 1898. — Conilurus pedunculatus, Waite, Pr. Roy. Soc. Vic, x, 2, p, 117. 

 1906. — Ammomys pedunculatus, Thomas, Ann. Mag. Nat. His., xvii, p. 84. 

 1909. — Laomys pedunculatus, Thomas, Ann. Mag. Nat. His., iii, p. 373. 

 1912. — Ammonfiys pedunculatus, Spencer & Gillen, " Across AustraUa," i, 

 p. 166. 



In his original description, Waite notes a var. brachyotis. 

 Type locality : Alice Springs, Central AustraUa. 



Genus MASTACOMYS, Thomas. 



1882. — Mastacomys, Thomas, Ann. Mag. Nat. His., ix, p. 413. 



" Like Mus, but with the molars enormously broadened and of a somewhat 

 different pattern, and with fewer mammae." 



Mastacomys fuscus, Thomas. 



1882. — Mastacomys fuscus, Thomas, Ann. Mag. Nat. His., ix, p. 413. 

 1885. — Mastacomys fuscus, Lydekker, B.M. Cat. Fos. Mamm., i, p. 227 (fossil 



remains from Wellington Valley Caves, N.S.W.). 

 1892. — Mastacomys fuscus, Ogilby, Cat. Austr. Mamm., j). 120. 



Habitat : Tasmania. 



Mastacomys sp. 



E. R. Waite, who has done much useful work on Australian Muridse, refers 

 (Horn Exped., Zool., ii, p. 406) to specimens of Mastacomys from Alice Springs, 

 Central Australia, which have the characteristically broad molars of this genus, but 

 which were too immature for s]Decific determination. 



Genus UROMYS, Peters. 

 1867. — Uromys, Peters, Mon. Ak. BerHn, p. 343. 



Tliis large genus was founded by Peters on the Mtis macropus of Gray ; the 

 great majority of the species are Papuan, 



