Continuity mistake: After Tom has painted his finger to make it look like a sausage, he puts down the brush and you can see that it is resting near the handle of the paint pot, but when Jerry lassos Tom's finger, the brush is now resting near the wall.
Continuity mistake: When Tom hits the cook in the rear with a branding iron at the end of the cartoon, you can see that the mark is an "X" on the cook's trousers, but when he chases Tom into the distance in the next shot, the mark has changed to a cross.
Continuity mistake: When Tom rushes up with his knife, fork and dish to get his dinner from the cook, you can see that Tom's knife is pointing straight but in the next shot it is now pointing to the right.