Sepia is a variety of this 3-letter defensive secretion produced by cephalopods
WEIGHTS & MEASURES: This container made of staves is a 
standard dry... [DOC] [TLE] The JimH Crossword Blog: Ptolemy's lighthouse [PAR] Apr 16, 2008 ... ... Sepia is a variety of this 3-letter defensive secretion produced by cephalopods.