18849. Adulteration of yeast food. U. S. v. 20 Bags * * *. (F. D. C. No. 32056. Sample No. 32589-L.) in whole or in part of a filthy substance by reason of the presence of insects; and, Section 402 (a) (4), it had been prepared under insanitary conditions whereby it may have become contaminated with filth. DISPOSITION: December 5, 1951. Default decree of condemnation and de- struction.