Wormy finger painted is also known as cabling and worming, and is found most commonly on pearlwares.
White to light cream colored, thin, hard, compact paste. Background glaze may be very light blue on pearlware, or pale creamy yellow on creamware. Swirling, wavy lines of usually blue, black, and white colored slip applied to a banded annular ware.
Hume 1969 was also listed on the FLMNH website but the bibliographic information was not provided.