In the summer of 1888 the volunteer movement adopted as its official name the Student Volunteer Movement for Foreign Missions and took as its slogan or watchword "the evangelization of the world in this generation." Questions regarding the relation of the student volunteers to existing student Christian groups, particularly YMCA and YWCA, had been in the air since the fall of 1886. On September 7, 1886 Luther Wishard had written to C.K. Ober regarding the nascent volunteer movement: "It will not do to have a distinct organization for this purpose. Colleges are becoming overrun with organizations now." It was clear that the general aims of the Volunteer Movement were in agreement with those of YMCA but the SVM had a wider constituency, including women and graduate students, as well as a more specialized focus. In August 1888, when plans were made for Robert Wilder to again tour the North American campuses for the SVM, Luther Wishard expressed reservations to a fellow YMCA secretary: