Since no
European and British Union for the Standardization of the Nomenclature of Damascus and Twist Barrels existed in the late 1800s, makers could call their barrels pretty much whatever they wanted
Some more BIG English "Two Stripe" here
http://www.picturetrail.com/sfx/album/view/18059733
The British seemed to use the top rib for a bit of tasteful embellishment, and that rib is very attractive.
Lots of ribs here, many courtesy of a Parker guy
http://www.picturetrail.com/sfx/album/view/21182597 and
http://docs.google.com/Doc?id=dfg2hmx7_293fxzspwc3