
    No. 75-1870.
    No. 75-1872.
    E. I. du Pont de Nemours & Co. et al. v. Collins et al.; and Securities and Exchange Commission v. Collins et al.
   C. A. 8th Cir. [Certiorari granted, ante, p. 815.] Motion of petitioners for additional time for oral argument granted and 15 additional minutes allotted for that purpose. Respondents also allotted an additional 15 minutes for oral argument.  