No. 161 Tupaia Nicobarica
Habitat.—Nicobar Island.
Description.—Front and sides of the face, outside of fore-limbs, throat and chest, golden yellow; inner side of hind limbs rich red brown, which is also the colour of the hind legs and feet; head dark brown, with golden hairs intermixed; back dark maroon, almost black; upper surface of the tail the same; pale oval patch between shoulders, dark band on each side between it and fore-limbs, passing forward over the ears.
Size.—Head and body, 7·10; tail, 8 inches.
There is a little animal allied to the genus Tupaia, which has hitherto been found only in Borneo and Sumatra, but as Sumatran types have been found in Tenasserim, perhaps some day the Ptilocercus Lowii may be discovered there. It has a rather shorter head than the true Banxrings, more like T. Ellioti, but its dentition is nearly the same, as also are its habits. Its chief peculiarity lies in its tail, which is long, slender and naked, like that of a rat for two-thirds of its length, the terminal third being adorned with a broad fringe of hair on each side, like the wings of an arrow or the plumes of a feather. There is an excellent coloured picture of it in the ‘Proc. Zool. Society,’ vol. of Plates.
I had almost concluded my sketch of the Insectivora without alluding to one most interesting genus, which ought properly to have come between the shrews and the hedgehogs, the Gymnura, which, though common in the Malay countries, has only recently been found in Burmah—a fact of which I was not aware till I saw it included in a paper on Tenasserim mammals by Mr. W. T. Blanford (‘Jour. As. Soc. Beng.,’ 1878, page 150). Before I refer to his notes I may state that this animal is a sort of link between the Soricidæ and the Erinaceidæ, and De Blainville proposed for it the generic name of Echinosorex, but the one generally adopted is Gymnura, which was the specific name given to it by its discoverer, Sir Stamford Raffles, who described it as a Viverra (V. gymnura); however, Horsfield and Vigors and Lesson, the two former in England and the latter in France, saw that it was not a civet, and, taking the naked tail as a peculiarity, they called the genus Gymnura, and the specimen Rafflesii. There is not much on record regarding the anatomy of the animal, and in what respects it internally resembles the hedgehogs. Outwardly it has the general soricine form, though much larger than the largest shrew. The long tail too is against its resemblance to the hedgehogs, which rests principally on its spiny pelage.
The teeth in some degree resemble Erinaceus, the molars and premolars especially, but the number in all is greater, there being forty-four, or eight more. It would be interesting to know whether the zygomatic arch is perfect and the tibia and fibula united, as in the hedgehogs, or wanting and distinct as in the shrews. I have given a slight sketch in outline of the animal.
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