23 . April 1930

In your last 1etter from March 17th wrote me from a sending of fi<?e photographs of the Stenomylus group and of the restorations. I am sorry that the photos did not arrive until novr. Please ask for them and forward them to my adress; I am anxious to bring the little note on your wonderful?f groupF.

I shall be ver^y gl ad if you come these Summer to visit our museum, in exchange to my visit of your department.

Always sincerely yours