may be pleasing to her. Mrs. Carnegie enthusiastically fell in with the plan of presenting a replica of the Diplodocus to Mexico, as had been done in the case of other foreign countries, and an appropriation to cover the necessary expenses, which are quite considerable, was amde out of this fund place at her dispositon. I notified Senor Tellez of the fact that we were prepared to go ahead and make the replica and present it to Mexico, and requested him to tell me to whom to writed about the details covering the matter of the exact destination of the replica, and asking him to tell me to whom to write about the details covering the matter of the exact destination of the replica, and asking him to tell me with whom to correspond. After two unsuccessful attempts to get a reply form him I am taking up the matter with Herrera, as you will see by the enclosed letter. I recently at the International Entomological Congress met a gentlemen in the scientific employment of the Mexican government who told me that everybody in Mexico knew that we were preparing a replica and "Mexican men of science were all elated, &c, &c." The work is about done. I am ready to pack and shop, but I do not know to whom to consign the stuff, and it is important that the necessary bases, or pedestals, should be prepared in advance perhaps of the shipment, so that when I go down to Mexico, accompanied by mechanic and possibly Mrs. Carnegie and Mrs. Holland we may be in a position in a few weeks at least to have the thing set up and turned over to the proper representative of the Mexican people, or government. You will readily comprehend form the perusal of my letter to Herrera that I am in a bit of a predicament, not knowing to whom to ship, not knowing where the thing is to be installed, not