The Harvard party of the intercollegiate geological excursion to Westfield, Mass., will take the 4.19 train on the Boston and Albany railroad, at Trinity Place (Back Bay), this afternoon. Mileage tickets will be provided. The party will reach Westfield at 7.07, and stop at the Hotel Bismarck. The return will be Saturday evening, on the train due in Boston at 1.00 p.m.