Boobyalla—a small river in the county of Dorset, flowing into Ringarooma Bay, in the north-eastern corner of the island.

Bothwell—a town in the parish of Grantham, and county of Monmouth, 44 miles from Hobart, and 104 from Launceston. It is situated on the eastern side of the Clyde, in the midst of a level and excellent pastoral country, well watered. There are a church, (occupied alternately by English and Scotch congregations), a church of England day school, a library society, three inns, some small shops, a police office, and post station in the town. It has a resident assistant police magistrate. The population of the town and police district is 1,045; the number of houses 200, of which 72 are of stone or brick.

Boyd—a small river on the western side of the island, falling into the Gordon.

Blackman's River—a stream which rises in Somerset and falls into the Macquarie, about 4 miles south of Ross.

Blythe—a river rising in Devon and falling into Bass' Strait, about 5 miles east of Emu Bay.

Break o'Day—a stream watering plains of the same name, in the south-eastern part of the county of Cornwall. It joins the South Esk about 6 miles east of Fingal. The country here is from 500 to 800 feet above the sea, and is well adapted for grazing purposes.

Bridgewater—a village and post station on the Derwent, in the parish of Wellington and county of Buckingham, 12 miles above Hobart. The Derwent, which is about three-quarters of a mile in width at this place, is crossed by a bridge of wood, which forms a part of the main road from Hobart to Launceston, and is said to be the largest work of the kind in the Australian colonies. The river is spanned to a length of 2,300 feet by an earthen causeway, and the length of the bridge from the end of this to the northern shore is 1,010 feet, with a breadth of roadway of 24 feet; the whole length of the work being 3,310 feet, or nearly three-quarters of a mile. The navigation of the river is preserved by means of a moveable platform near the northern shore. The timber was procured from Mount Dromedary, 7 miles from the bridge, which was begun in January, '48, and opened in April, '49. The cost was £7,580.

Brighton—a town in the parish of Drummond and county of Monmouth. It is on the eastern side of the Jordan, on the main road, 17 miles from Hobart, and 104 from Launceston. The country around Brighton is cultivated and fertile, and was early occupied. On the right is a branch road to Jerusalem and Jericho, districts on the Coal River. On the left is the district on the Jordan, called the Broadmarsh. Brighton has a resident magistrate, a post station, several inns, small stores, and retail shops. The church (St. Mark's) and police office are at Pontville, near the town. The population of the town and police district is 2,582, and the number of houses 427, half of which are of stone or brick. Brighton is also an electoral district, for which John Walker, Esq., is the first member.

Brown's River—a stream rising near Mount Wellington, and falling into the Derwent about 10 miles below Hobart. The land on its banks is fertile, and is divided into many small farms. There is a village and post station here, 8 miles from Hobart, containing an episcopal church and day school, and a Wesleyan chapel. This district is celebrated for the fineness of its potatoes.

Brumby's Creek—a small stream rising among the Westmoreland mountains, and joining the Lake River, about 12 miles south of Longford. Several streams rising near the Western Lagoon fall into it.