made in Evanston – and that would soon be in print – was mistaken.

Still, he made no mention of this in his letter to Noether from 4 January 1894.[^5] Instead, he gently suggested to Noether that he write Bertini, informing him that his proof was by no means new and that Clebsch had communicated it orally to Klein long ago. In the letters that follow it should be borne in mind that Klein had been the principal editor of [*Mathematische Annalen*]{} for nearly twenty years, whereas Noether only joined the board as an associate editor in 1893.

> You will perhaps want to attach a comment from your side to the note by Bertini included here. I send it to you with the request that, if necessary, you take up correspondence with the author and also pass the note on to Dyck \[Walther Dyck was the managing editor of [*Mathematische Annalen*]{}\]. The offprint itself I would like to have returned because I took it from my own copy of the Revista.[^6] As far is the matter itself is concerned, I remember that Kronecker and Clebsch discussed this during the fall of 1869 in Berlin, which led me to the 