-1?^ 160 Mr. 0. Thomas on new from above) and all the margins are narrowly edged witli black. The elytra are subparallel for two thirds their length, and then are arcuately narrowed to the apex, very coarsely punctured except at the base, with a tendency to form lines on tlie disk only ; the reddish-yellow fascia occupies about one third of the length. The tibite are densely clothed with short black pubescence ; the anterior and intermediate pairs beset on their outer edge with short acute spines, which make them appear crenulate in certain positions. Tarsi stout, the fifth joint longer than the four previous joints taken together ; claws red at their base. Trochanters more or less red. XXII. — Preliminary Diagnoses of new Mammals from Northern Luzon^ collected by Mr. John Whitehead. By Oldfield Thomas. The following new mammals, which are so distinct from anything hitherto known as to represent quite a new fauna, have been obtained by Mr. John Whitehead in the highlands of Northern Luzon. A full account of the collection will, it is hoped, be published later. Rhynchomys, gen. nov. Muzzle enormously elongated. Incisors short and feeble. Molars minute, only two in number above and below. Form not unlike that of a gigantic shrew. Feet and tail rat-like. Wiynchomys soricoides^ sp. n. Size about that of Mus rattus. Fur very thick, close and velvety. General colour uniform dark olivaceous ^^&Ji without decided markings anywhere. Under surface dirty grey, not sharply defined ; a white patch on tliroat sometimes present. Ears about as in Mus rattus, their visible surface, when folded, clothed with blackish hairs. Metapodials brown, digits whitish. Tail shorter than head and body, fairly clothed, but not tufted, blackish above, scarcely paler below. Dimensions of type ( ^ ) : — Head and body 215 millim.; tail 146; hind foot (moist-ened) 41. Skull: basal length 44; diastema 16*8; length of the two upper molars 2"5.
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