Datesseventh game Is necessary in theEastern Canada^ Memorial Cupfinals it will-be played Saturday night in Montreal, Jack Roxburgh vice - president of the Canadian Amateur Hockey Association, Thursday. • - /St.;; Catharines ..Teepees and Brockville Junior Cahadiens meet at Toronto Friday. night . in the sixth game. St. Catharines leads the set 3-2 in games.;, -- «■• Roxburgh also announced opening dates for. the . Memorial Cup final, to be played in the East this year.Should St. Catharines win the Eastern title; the opening gamebf the best-of-seven final with Edmonton Oil Kings would be Sunday at Toronto. Future dates: April 25 at St.. Catharines; April 27 at. Toronto; April 29 at Toronto, and May 1 at Toronto.. A. Uro ckville-Edmonton . scries would begin at . Montreal Sunday. No. further ^ dates-have been arranged. .Roxburgh said these dates had been chosen by managers of theSt. Catharines.. and Brockvilleteams. “They wanted these datesbecause they thought they wouldbe the best from a crowd standpoint,” he said.v';‘ The CAHA * official said , the schedule: may orce St. Catharines to play four-games in four daysin /our different cities.the best choices but that's the way4 . . I , ' , A . ^ \I didn't think these dale* were