Nexo Mammals from JS'ew Guinea dec. 2G1 to liavo an abruptly white tip. Palatine foramina not so short as in I'romys, their len;jrtli approximating to once and a half the distance from their hinder end to the molars. Mesopterypoid fossa broad anteriorly ; back of jiaiate about at level of m^. Incisors nor-mal, not specially deep in proportion to their breadth, the depth of the lower ones not equalling the combined breadth of the pair. I'alate-ridges, where known, consisting of about 5 or 6 interdental ridges in addition to the simple predental ones * II. Mehviys. Genotype: M. rufescens\ (Uromys rufescens, Alst.). Kange : Melanesia in a broad sense — from the Talaut Islands and Moluccas through New Guinea to the Solomon Islands, and southwards to North Australia. Species described : csi'osus, arciujn, brnijnii, calidor, caurmus, cervinipes, fraterculus, fulyens, gracilis, leiicoyaster, levipes, lorentzi, hitillus, melictis, mollis, inoncktoni, muriniis, imtsa-vora, 7nusc(ilis, tiaso, obiensu^, platyops, porculns, rufescens, stidkeriy talaudium. 13. Skull with zygomatic plate scarcely projecting. IJuUo) comparatively large, inflated. Meso-pterygoid fossa narrowed anteriorly to a point, which is level with the hinder edge of m^. a. Size of the single species rather large. Tail medium, wholly black. Palatine foramina about as in Melomys. Incisors broad and stout, the lower ones not deep in proportion to their width. ' Palate-ridges not known . . III. Solomys. Genotype and sole species : S. sapie/itis ( Uromys sapientis, Thos.). Range : Solomon Islands only. XXX. — New Mammals from J^ew Guinea and neighbouring Islands. By Oldfield Thomas, (Published by permission of the Trustees of the British Museum.) By tlie kindness of Dr. W. K. Dammerman of Buitenzorg I liave been entrusted with the examination of the considerable nnmber of Papuan mammals in the Museum under his care, the majority of them coming from recent expeditions to New Guinea, notably that of 1920 to the Mamberano-Idenburg region o£ N. New Guinea, carried out by Mr. W. C. van Heurn. * As figured by Jentink, tab. cit. fig. 3. 1" Chosen because I happen to be able to check the number of palate-ridges ill one of the typical specimens.
BioStor
