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
Pale Fire see Charles Kinbote as an alter-ego of the insane Professor V. Botkin, to whose delusions John Shade and the rest of the faculty of Wordsmith College generally condescend. Nabokov himself endorsed this reading, stating in an interview in 1962 (the novel's year of publication) that "Pale Fire" "is full of plums that I keep hoping somebody will find. For instance, the nasty commentator is not an ex-King of Zembla nor is he professor Kinbote. He is professor Botkin, or Botkine, a Russian and a madman." The novel's intricate structure of teasing cross-references leads readers to this "plum". The Index, supposedly