Boston. Deseription,.topognaphy,..eic. Maps. *Map 81.39.1775.2 A plan of the town and chart of the harbour of Boston, exhibiting a view of the islands, castle forts and entrances into the said harbour. Feby. lst 1775. {London.] 1775. Size, 10 3/8 x 13 1/4 inches. Scale (computed), 1.2miles to 1 inch. Cut from Gentleman's magazine, vol. 45 [*3135.1.45: **¢.351,3.45].