It was in June, 1875, as I chanced to be for a day or two in Leipzig, that I was unexpectedly invited to prepare the Sanskrit grammar for the Indo-European series projected by Messrs. Breitkopf and Hartel. After some consideration, and consultation with friends, I accepted the task, and have since devoted to it what time could be spared from regular duties, after the satisfaction of engagements earlier formed. If the delay seems a long one, it was nevertheless unavoidable; and I would gladly, in the interest of the work itself, have made it still longer. In every such case, it is necessary to make a compromise between measurably satisfying a present pressing need, and doing the subject fuller justice at the cost of more time; and it seemed as if the call for a Sanskrit grammar on a somewhat different plan from those already in use--excellent as some of these in many respects are--was urgent enough to recommend a speedy completion of the work begun.