ROANOAK, a river of North America, which rises in Virginia, runs through Carolina, and at length falls into the sea, where it forms a long narrow bay called Albemarle Sound.
ROBERT'S ISLES, two large islands in the Pacific Ocean, with several smaller islets in their neighbourhood, discovered by Lieutenant Hergest in 1792. Long. 219. 47. E. Lat. 7. 53. S.