Eaton Vance Investment Counsel, the high-net-worth subsidiary of Eaton Vance Corp., acquired the Boston affiliate of Voyageur Asset Management, said spokeswoman Meg Pier. Terms weren't disclosed. The acquisition will increase Eaton Vance Investment Counsel's high-net-worth assets under management by $442 million to $3.5 billion, according to a news release. Voyageur (MA) CEO Dexter A. Dodge, President David C. McCabe and five other professionals and support staff will join Eaton Vance.