
    No. 80-2182.
    No. 81-11.
    Inwood Laboratories, Inc., et al. v. Ives Laboratories, Inc.; and Darby Drug Co., Inc., et al. v. Ives Laboratories, Inc.
   C. A. 2d Cir. [Certiorari granted, ante, p. 891.] Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for additional time for oral argument granted, and 10 additional minutes allotted for that purpose. Motion of petitioners for divided argument denied.  