[Cases.] In Circuit Courts of Appeals. No. 9967, Rose M. Gutmann and Robert Henry Gutmann vs. Yellow Cab Company, defendant and 3d-party plaintiff, vs. United States, 3-party defendant appellant; no. 9966, Calvin Howey and Justine A. Howey, his wife, vs. Yellow Cab Company, defendant and 3d-party plaintiff, vs. United States, 3d-party defendant appellant; motion for leave to brief and argue together appeals la cases.