
    No. 81-349.
    Chicago Bridge & Iron Co. v. Caterpillar Tractor Co. et al.
   Sup. Ct. Ill. [Probable jurisdiction noted, 454 U. S. 1029.] Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument granted.

Justice Stevens took no part in the consideration or decision of this motion.  