Adjective : vermiculate thought processes.    From Dictionary.com. 

I love the moth names and I love The Birds of the Western Palearctic for “vermiculation”—a word I have only encountered in these and other similar pages of defeat.    From Wordnik.com.  [A Year on the Wing] Reference

"No, no," contended Susanna, arresting her sunshade in the midst of an intricate vermiculation.    From Wordnik.com.  [The Lady Paramount] Reference

Forehead, crown, and nape finely vermiculated pale cream or greyish-white and grey, feathers on central forehead, crown, and nape with black pointed shaft-streaks up to 3–4mm wide, shaft streaks narrower towards side of crown and faint or absent on lores or above eye; shaft-streaks on central crown bordered by cinnamon-buff and grey vermiculation; top of head appears buff-brown with bold black streaks on centre, almost uniform pale grey-buff or pale grey on line from lores over eye.    From Wordnik.com.  [A Year on the Wing] Reference

Francis’ mark produces a sort of vermiculation with which he composes a surface, piece by piece.    From Wordnik.com.  [Accumulation] Reference