Stuck on these last 2 clues. Any help would be appreciated. Thanks.
5 across- Enlarged vessels heading for Venice when carrying grain? (7)
V?V?C?S The only word I can think of is VIVACES
19 across- Objective is to trap right kind of gnu(5)G?R?U
Thanks very much for your help Mamalynne and scorpiojo. Just realised I made a complete mess of 6 down. A Merry Christmas and Happy New Year to you both, and also to all ABers everywhere. :))