Note: Do not rely on this information. It is very old.
Rhesus
Rhesus {Macacus rhesus), the common monkey of Northern India; length of head and body about 22 inches, tail 11 inches. The fur on the back is brown or rufous, on the limbs and under surface ashy-brown, seat-pads and face (in adult males) red. It is intelligent, but mischievous, and is trained by showmen to perform tricks.