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 reached number 5 on the "Billboard" Hot 100 and sold over 1 million copies. It also peaked at number 22 on the soul charts there. The song was included on the US release of the "Procol Harum" album, in September 1967, but not on the subsequent UK version. In the Netherlands, the single entered the chart at number 1 in June 1967 and reached number 1 again in July 1972. A May 1972 re-release on Fly Records peaked at number 13 in the UK. "A Whiter Shade of Pale" has continued to receive critical acclaim. Along with Queen's "Bohemian Rhapsody",