DAUPHIN DEPOSIT <DAPN> TO ACQUIRE COLONIAL Dauphin Deposit Corp said it signed a definitive agreement to acquire <Colonial Bancorp Inc>. The agreement calls for Colonial to be merged into Dauphin Deposit Corp, and Colonial's subsidiary, New Holland Farmers National Bank, to be merged into Dauphin Deposit Bank and Trust Co, the lead bank of Dauphin Deposit Corp, the company said. Shareholders of Colonial will receive between 3.6 and 4.4 shares of Dauphin common stock for each share of Colonial, depending on Dauphin's current market value, it said. As of Dec 31, 1986, Colonia Bancorp had assets of 150 mln dlrs, Dauphin said.