HORN EXPEDITION-MURIDiE. 
409 
EXPLANATION OF PLATES. 
a, skull in profile; ditto from above ; r, ditto from below, and d, right 
upper molars, all enlarged ; e, hind foot, and ear, both natural size. 
Plate XXV. 
Fig. 1.— Co7iilurus ped^inculatus, sp. nov. 
,, 2.— Mus gimldi% Waterhouse. 
„ 3.— Af?/s greyi, Gnij. 
Plate XXVI. 
Fig. 3.— Ml/s greyi, Gray 
„ 4.— Afus fieldi^ sp. nov. 
,, o. —Mus hermannshi/rgensis, sp. nov. 
„ 6.— Alastacomys, sp. 
