a mineral substance usually ranked amongst gems, and which derives its name from the colour resembling that of the nail of the finger.

OCHASEER, a town of Hindustan, in the province of Cutch, and district of Neyer, about twenty-five miles south-west from Theraud, which belongs to the chief of Morwara. It is surrounded by a thorn hedge instead of fortifications, and has a tank of bad water, with some excellent wells. Its inhabitants are low classes of Hindus.

OCHINADROOG, a celebrated hill-fort of Hindustan, in the district of Harpooneilly. It is of great natural strength, having an abrupt ascent of very great height, particularly to the north and west, where it is almost perpendicular. It was besieged in 1793, and taken after a siege of three months, by Tippoo, who, with the cruelty of a tyrant, mutilated all the boys and youths in the fortress, most of whom died in consequence. Long. 75° 55' E. Lat. 14° 32' N.

ODEADARGAM, a town of the south of India, in the province of Mysore. It was taken by the British in the year 1800, and now belongs to the rajaiah of Mysore. It gives name to a celebrated pass in the mountains, and is thirty-one miles south-east of Bangalore.