Comprises: (fols. 1-39) Loose sketches and proofs, in publication order (according to the paginated printer's dummy in MS. Gehenna Press c. 39). Missing art for 'Halomorph Marinum' and 'Heliconia Zapoteci' (fols. 40-69) Incomplete set of paste-up art (with colour information), in order as found (fols. 70-94) Incomplete set of loose art (signed), in publication order (according…