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Show 226 MR. R. SWINHOE ON THE MAMMALS OF HAINAN. [Apr. 28, be Presbytes maurus (Schreber). There is a specimen of this in the British Museum, brought from Canton by Mr. J. Reeves. 2. THE REDDISH-GREY MONKEY. Macacus erythrceus (Schreber). D u Halde (op. cit.) says that in Hainan " there are Grey Monkeys, which are very ugly and very common." The Chinese Gazetteer has the following:-"How (or Monkey). The She-show (Notes on Animals) states that the Monkey has no stomach, but digests its food by jumping about. According to ancient authors, Kiungchow abounds in Monkeys, and its people make a trade by selling young ones." About the jungles of Nychow (S. Hainan) Monkeys were very common. On our landing, abreast of the ship we saw a large party of them on the beach, which at once retired into a grove above high-water mark. W e watched them running along the boughs of the trees and jumping from branch to branch. The discharge of a fowling-piece soon made them scurry away into the thicket; but every now and again their heads would appear from the higher bushes watching the movements of the enemy. At last, when they observed that our presence implied actual danger to themselves, they climbed the hills and posted themselves about conspicuous rocks, where they chattered and grunted out of danger. Their cries were very like those of Macacus cyclopis, mihi, of Formosa. In the neighbourhood of Nychow city we found a large number of them in a thick wood that surrounded the hovel of a Le native, and one of our party succeeded in knocking over a fine female with a cartridge. Its irides were yellowish brown tinged with green. Eyes somewhat oval. Face long, narrow, with a somewhat projecting mouth; the skin tinged with reddish yellow, and sprinkled with short silky buff-coloured hair, longer and coarser on the lips, chin, and cheeks. A few long black hairs were scattered on the centre of the forehead and on the space beneath the eyes. The ear was well developed, and thinly clothed with hair. Skull, $ .-The mouth projects 1 inch in front of the line of the orbital ridge. Height of the skull, from top of frontal bone to angle of the lower jaw, 2*6 inches; from orbital ridge to the same 2*43; length of lower jaw 2*1 5 ; hind corner of malar arch to front of incisors 2*45; from ditto to occipital crest 1*5; greatest diameter of rounded orbit *9 ; breadth of skull, from one malar arch to the other, 2*6 ; across base of brain-case 2*25. Nasal aperture shaped like a subverted cone; vertical length *65, greatest breadth *42. Central pair of incisors of upper jaw about one-third larger than those of lower. Only fourteen teeth in each jaw ; the four hind molars not yet acquired. The frontal bone slopes rapidly backwards from the orbital ridge, rising only a little in its centre, and thus leaves a very inclined forehead. Vertical length of ear 1*3, breadth *9; bare palm 1*85 long, 1*1 broad; middle finger 1*2 long; length of sole 3*2, breadth 1*5.| Length of body 1 5 inches; of entire arm to tips of fingers about |