ure upon the Diplodocus is certainly charming, and I look forward with interest to being presented upon the occasion, and hearing what you have to say in reference to my pet beast.



Please convey the assureances of my best regard to Mons. Blavette and remember me kindly to Mons. Perrier.



I am, with best regards, very sincerely yours, in the bonds of a common love for science.



Director Carnegie Museum.