ISRAELIS REBUFF EGYPT ON TERMS TO REOPEN CANAL
Israel indicates it is willing to reach agreement with UAR on reopening of canal but not on Sadat's terms; Israeli position does not represent change in policy but apparently opens new and more discreet channel of talks to break deadlock; new talks seen having US rather than Jarring acting as middleman with Jarring prepared to revive his efforts for over-all settlement; Galili and Allon discuss Israel's gen terms for interim arrangement ltd to canal; their statements detailed; more formal Israeli statement seen being sent to US after it is drafted by mil and civilian experts; Israeli news repts of Sadat's plan are given short shrift; planning of Israeli position began after Eban met with Rogers; Rogers, in light of apparent US-Israeli deadlock over broad settlement, reptdly revived idea of partial settlement as alternative on which some movement might be possible; similar proposal for reopening of canal advanced by Dayan, which was rejected as premature, and Sadat's Feb 4 proposal recalled; Israel seen not eager to discuss situation with Jarring because it views it as not part of his official mandate and doubts that his actions could be as effective as more discreet diplomatic maneuvers through US followed by direct contacts, in pub or private, with UAR; confs between Meir and US Amb Barbour on diplomatic possibilities noted