The sides of the Scott Monument feature statues of characters from his writing. This is Bailie Nicol Jarvie (I think), from the novel Rob Roy, sculpted by George A. Lawson.
If you’re reading this in the RSS feed, my original blog post also includes a Google map showing where this photo was taken. Unfortunately I haven’t managed to get the map to appear yet in the RSS feed, so for now you’ll have to click through to my blog if you want to see the map. Sorry.