“J 
MURIDA. pi 
{Hus lineslatus, Gould’. 
Hab. Australia. The modern race of this species is confined to 
Tasmania, while the Pleistocene race occurred on the mainland of 
Australia. A similar distribution occurs in the case of Mastacomys 
and Hapalotis, as well as in Thylacinus. 
43895. Several fragments of the cranium and mandible; from the 
caves of the Wellington Valley, Australia. 
Presented by the Trustees of the Australian Museum, 1867. 
IWWius (?) sp. 
Hab. Switzerland. 
42823. The greater part of the skeleton of a murine rodent, in 
a much-crushed condition; from the Upper Miocene of 
Ciningen, Switzerland. The condition of this specimen 
seems to preclude its exact determination. 
Van Breda Collection. Purchased, 1871. 
42821. The skeleton of a murine rodent, in a much-crushed con- 
dition ; from the Upper Miocene of (Hningen. This spe- 
cimen, in which only the impression of the bones remains 
in many places, indicates an animal of about the size of 
M. musculus, but is too damaged for specific deter- 
mination. Van Breda Collection. Purchased, 1871. 
Genus MASTACOMTYS, Thomas’. 
Distinguished from Mus by the excessive width of the molars, as 
well as by certain differences in the pattern on their crowns. 
{tlastacomps fuscus, Thomas’. 
Hab, Australia. | 
42673. Fragments of the maxilla and mandible, and two specimens 
of the tibia; from the caves of the Wellington Valley, 
Australia. 
Presented by the Trustees of the Australian Museum, 1867. 
Genus HAPALOTIS, Lichtenstein‘. 
The molars of this genus have the same structure as in Mus. 
Hapalotis albipes, Lichtenstein’. 
43895. Two imperfect rami of the mandible, and three detached 
* Proc. Zool. Soc. 1845, p. 77. 
* Ann. Mag. Nat. Hist. ser. 5, vol. ix. p. 413 (1882), 3 Loe, cit. 
* Darst. neuer Saugeth. vol. iv. pl. xxix, (1829). ® Loe. cit. 
Q 2 
