Orthosia incerta may be complete or broken up into three blotches; upper stigmata large, the reniform generally dark, both edged with pale; a strong thick median shade, sometimes bent at middle and entire, often marked only at costa and inner margin; hindwing pale or dark grey with dark cellspot and pale fringe. The markings are all clearer in the grey unsuffused forms: of these the chief are pallida Lampa from Sweden with the ground colour pale grey, finely striated with dark, and the two dotted cross lines;- "coerulescens" Tutt with the ground colour pale bluish grey; — "subsetaceus" Haw.which is dark slaty
A Whiter Shade of Pale phrase stuck in his mind. The original lyrics had four verses, of which only two are heard on the original recording. The third verse has been heard in live performances by Procol Harum, and more seldom also the fourth. Claes Johansen, in his book "Procol Harum: Beyond the Pale", suggests that the song "deals in metaphorical form with a male/female relationship which after some negotiation ends in a sexual act". This is supported by Tim de Lisle in "Lives of the Great Songs", who remarks that the lyrics concern a drunken seduction, which is described through references to sex as