Adventurer - Ring of the Falcon Talon Meta Physicist - Band of the Frog Tongue Martial Artist - Ring of the Monkey Tail Fixer - Curl of Weasel Whiskers Agent - Ringlet of Black Panther Whiskers ...

Yet, the observation of diapedesis was not made. Augustus Volney Waller (1816-1870), a British neurophysiologist, was the first to observe natural leukocyte emigration in 1846, using the frog tongue.