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Show 1876.] DR. A. GUNTHER ON NEW MAMMALS. 735 species of Nyctinomus, and resemble Myopterus), in their distinctly separated ears, in the possession of six lower incisors, and in the presence of a glandular gular sac. These characters appear sufficient to unite them in a subgenus at least. But N. norfolcensis has an additional upper premolar, which is even better developed than in other species of the genus, and therefore belongs to the subgenus Nyctinomus; while N. albiventer and N. acetabulosus, on account of the absence of this small premolar, are relegated to the subgenus Mormopterus. It is therefore impossible, in a natural arrangement of the species, to separate N. albiventer and N. acetabulosus into a distinct subgenus characterized by the number of the upper premolars; for this would exclude N. norfolcensis, which is, undoubtedly, in all other respects, very closely allied to them, and forms with them a well-defined section of the genus. 3. Report on some of the Additions to the Collection of Mammalia in the British Museum. By Dr. A L B E R T G U N T H E R, F.E.S., V.P.Z.S., Keeper of the Zoological Department. [Eeceived November 6, 1876.] (Plates LXIX-LXXIV.) 1. On a Collection from the Philippine Islands. A small collection made by Professor Steere in the Philippine Islands gives some additional information as regards the distribution of certain species in that group. It contains :- Macacus philippinensis (Is. Geoffr.). This Monkey was procured in the mountains of Mahayhay, in the island of Luzon, near Manila. Dr. Steere also shot the same species, or apparently the same, in the islands of Palawan, Mindanao, and Basilan. They go in large troops, and are often seen along the seashore, where they seem to he occupied in hunting for shell-fish and crabs. Galeopithecusphilippinensis (Waterh.), from Bojol. Pteropus jubatus (Temm.), from Mindanao. Tupaia javanica (Horsf.), from Palawan. Fiverra tangalunga (Gray), from Panay. Sciurus exilis (S. Miill.), from Basilan (also found in Mindanao). Sciurus steerii (sp. n.), SCIURUS STEERII (Plate LXIX). Dr. Steere's collection contained two examples of this apparently undescribed species, which greatly differ in coloration, but are structurally quite identical:- 1. A specimen obtained from Balabac (marked 6510) has the upper parts, sides of the body and outer side of the legs, of a rich chestnut-brown colour, the hairs being tipped with black, which gives the fur a grizzled appearance. All the lower parts are brownish red. |