London, April 5. - The movement of !he powers of Europe for a joint offer ?f mediation between the United States and Spain has received a severe md probably fatal rebuff in the form jf a definite refusal upon the part of Great Eritain to particípate in it. Many confiicting and erroneous hints regarding this scheme to bring the Hispano-American quai'rel under the jurisfliction of the "concert of Europe" have been telegraphed from the different European capitals. From the highest authorities the Associated Press has obtained an outiine of the details of the movement, as learned by London diplomats. The project is distinctively of Spanish origin and was set on foot by two influences, official and personal, tíie former requesting the good offices oí the chancellors to prevent wp.r, while the queen regent attempted personally to influence the sovereigna A special dispatch from Rome says a telegram received at the Vatican from the United States has announced the failure of the pope's intervention. Tt says that President McKinley showed himself extremely sensitive of the initiative taken by the pontiff, but it ivas lmpossible for him to overeóme the prejudice, even though it may be unJust, entertained by a majority of the American people against the Vatican's Intervention in political affairs. Rome, April 5.- It is authoritatively said that the pope's proposed terms are such as can be accepted by Spain and supported by the United States minister, General Woodford, in forwarding them to President McKinley. The pope's initiative is based wholly on the fact that Spain, ivhen she asked for the good offices of the powers also asked for the pope's good offices. The interposition of the pontiff has thus far been eonttned to efforts to bring about an armistice between Spain and the insurgents. Madrid, April 5. - The minister of foreign affairs. Senor Gullon, in an interview just obtained, said the Spanish government is expecting the speedy arrival of a note from the Vatican, in which the pope would indícate the plan by which he hopes to termínate the present situation.