Depends on the browser. Honestly I haven't had to do thins kind of thing in so long I'm outta the loop. I know that for FireFox you can browse them and delete them individually (See link). We have members here who are more up to date on the current tech by trade who might be able to give more insight. Otherwise Google shouldn't lead you astray in such a simple matter.
https://www.google.com/#hl=en&tbo=d&...w=1600&bih=838