Bar Harbor Bankshares reported second-quarter 2017 net income of $6.6 million, or 42 cents per share. Core earnings totaled $8.1 million, or 52 cents per share. Net income increased 56 percent over the prior quarter and core earnings increased 21 percent, reflecting the strength of the expanded operations, the bank said. Merger-related and systems conversion costs in the second quarter of 2017 totaled $0.10 per share (after-tax).