The second image shows Captain William Cecil George Pechell (standing, third from right) and men of the 77th Regiment in their winter dress in the Ukraine, during the Crimean War, circa 1855. Pechell fell at Sebastopol on September 3rd 1855, having received honorary mention in the despatches only a few days before.
From one of the original sets of photographs by Roger Fenton of the Crimean War which were published by Thomas Agnew & Sons on a weekly basis from November 1855 - April 1856.