Two dogs labelled Toryism and Whiggery chewing on the Bone of Contention, with a skeleton labelled 'Necessity or the Feeder restoring good Government' wielding a club to separate them. 
<br>Lithograph
<a rel="nofollow" class="external free" href="https://www.britishmuseum.org/collection/object/P_1868-0612-1319">https://www.britishmuseum.org/collection/object/P_1868-0612-1319</a>