# File lib/sqs/right_sqs.rb, line 166
      def receive_messages(number_of_messages=1, visibility=nil)
        list = @sqs.interface.receive_messages(@url, number_of_messages, visibility)
        list.map! do |entry|
          msg             = Message.new(self, entry[:id], entry[:body], visibility)
          msg.received_at = Time.now 
          msg
        end
      end