and plates of our palaeontological report. He was greatly interested, 

 though he could do no more than turn over the pages. He gave it back 

 with the remark, "Your first book," with such an indescribably loving 

 inflection, that I have never forgotten it. 



I was then preparing to start on our second Western trip and was 

 very reluctant to leave home with my Grandfather in such a precarious 

 condition, and very reluctant to be left behind. While in this state of 

 painful indecision, the family council decided that I should go, the 

 substance of their opinion being: "You cannot help your Grandfather 

 in any way by staying at home and the expedition is your professional 

 work; it is plainly your duty to go." From this, it may be safely in- 

 ferred that the die had already been cast and that I had made up my 

 mind to forsake medicine and follow a scientific career. 



The second expedition was on a much more modest scale than the 

 first and consisted of but five graduate students and, as leader. Professor 

 J. B. McMaster, of the engineering department. Two or three years 

 later, McMaster rose to immediate fame by pubUshing the first volume 

 of his great History of the American People, but, in 1878, this work re- 

 mained a profound secret and the pubUcation took every one by sur- 

 prise for it seemed to be altogether out of character. The other mem- 

 bers of the party were Osborn, Speir and myself, as a matter of course, 

 and we added Andy McCosh and Bill Annin. The expenses of the 

 expedition were borne by Mr. Libbey, Sr., and Osborn was appointed 

 treasurer. 



Andy had just finished his first year of medical study in New York 

 and Annin was most eager for the adventure, though professing no 

 scientific interests. It was a mistake to include Annin in the party, 

 much as we all admired his cleverness and wit and greatly as we enjoyed 

 his brilliant talk. He was extremely nervous and frail and physically 

 unequal to the demands upon his strength. The hardships and discom- 

 forts of wilderness Ufe so fretted him and made him so irritable, that 

 he quarrelled with each of us in turn except Andy McCosh, with whom 

 it was difficult to quarrel. 



In revenge for the annoyance he caused us, we played a cruel prac- 

 tical joke upon him, the only thing of the kind in which I ever was 

 involved, and I wish that I had not been concerned in that. On the way 

 to our last goal of the season, the Bear River, in Idaho, we had been 

 warned to be very careful, as the Bannock Indians had gone on the 

 warpath and might come that far south. With this real fact to go on, 



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