Genera Underway

GENEVA, Switzerland-chief U.S. negotiator Edward I. Rowny challenged the Soviet Union yesterday to push beyond mere limitations on the world's most destructive nuclear weapons to drastic cutbacks in the arsenals amassed by the two superpowers.

Pledging a sincere negotiating effort, Rowny declined to accept the Saviet definition of the sessions opening here today as "arms limitation and reduction talks.

We're not simply going to limit arms in this new agreement the former lieutenant general said in a brief news conference outside the U.S. diplomatic mission in Geneva. "Our proposal is to have reductions in arms.