An important addition to the notable series of lectures already given in the Union this year will be that by Mr. H. Roswell Bates tonight upon "The New York Underworld." Mr. Bates, by reason of his long service as director of the famous Spring Street Settlement House, in New York, is peculiarly qualified to discuss the social problems presented by the "underworld" of the metropolis. His frank and vivid descriptions of the appalling evils arising from the congested life of the tenements have interested and aroused large audiences of college men at the Northfield Conferences, at Yale, at Princeton, and at other colleges. His wide knowledge of social conditions, his sincerity, and enthusiasm have brought him fame and popularity as a lecturer. In modern life no social conditions are so menacing and perplexing, so much a matter of concern to college men, as those due to the complexity of crime and graft in the life of large cities. Therefore, we welcome Mr. Bates who comes to tell us what he has learned in a lifetime devoted to the unselfish and sympathetic study of these conditions in the "underworld" of New York City.