In. funlicrance and not. in limitstion of die powers conferred by the .laws of theWitO }shads, and subject at all times to the provisions tlinteuf; dro Board of Directors is cxpretsilitgthoikerd and empowered• • .(a) To make, miopiantl amend the by-laws of the CorPoratiour aubiect to the puler!, of the stockholder