I am inclined to agree with Anderson, who unites them, and who fortunately was able to examine and describe the type of the last-named form, now no longer to be found. That the Sikhim monkey is perfectly distinct from M. rhesus I am certain, and I have seen several young specimens of the former tame. They appear stouter, and differ in fur, coloration, visage, and habits, and I think the limbs are proportionally shorter.
5. Macacus silenus. The lion-tailed Monkey.
- Simia silenus, Schreb. Säugethiere, i, p. 87, pl. xi, partim (nec Linn.).
- Simia ferox, Shaw, Mus. Leverianum, p. 69, pl. (1792).
- Inuus silenus, Blyth, Cat. p. 7; Jerdon, Mam. p. 10.
- Silenus veter, Gray, Cat. Monkeys &c. B. M. 1870, p. 32 (nec Simia veter, Linn.).
- Macacus silenus, Anderson, An. Zool. Res. p. 93; id. Cat. p. 66.
Shia bandar, H.; Nil bandar, Beng.; Chingala, Nella manthi, Mal.; Singalika, Can.; Karingode, Kurg.; Kondamachu, Tel.; Kurankarangu, Tamul.
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Fig. 5.—Macacus silenus.
Fur long. A ruff of longer light-coloured hair on chin, throat, cheeks, and temples, encircling the head, except on the forehead, and concealing the ears, which are naked. Hair radiating from centre of crown. Tail slender, about one half to three quarters the length of the head and body, and tufted at the tip; caudal vertebræ 17.
Colour. Black throughout, except the beard and ruff, which are grey. In some young specimens the abdomen is brown. Face and hands black, the callosities of a fleshy tinge.
Dimensions. Head and body of a male 21 inches, tail 13½; of another 20 and 15: of a female, head and body 18, tail 12½; of
